2026-04-03T22:32:41Z https://jpt.faperta.unand.ac.id/index.php/jpt/oai

oai:ojs.pkp.sfu.ca:article/7 2024-03-14T20:24:01Z jpt:ART

Kolonisasi Beberapa Jamur Antagonis Pada Akar Tanaman Cabai (Capsicum annuum L.) dan Pengaruhnya Terhadap Penekanan Penyakit Antraknosa yang Disebabkan Oleh Colletotrichum gloeosporioides Jamarun, Nurbailis Yunisman, Yunisman Kolonisasi Aspergillus sp. Paecilomyces Trichoderma Penyakit antraknosa merupakan penyakit penting pada tanaman cabai yang disebabkan oleh Colletotrichum gloesporioides. Penelitian ini bertujuan untuk mendapatkan jamur antagonis unggul yang mampu mengkolonisasi akar tanaman cabai dan efektif mengendalikan penyakit antraknosa yang disebabkan oleh Colletotrichum gloesporioides. Metode penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan 10 perlakuan dan 4 ulangan. Jamur antagonis yang digunakan yaitu: Trichoderma isolat 1, Trichoderma isolat 2, Trichoderma isolat 3, Trichoderma isolat 4, Paecilomyces isolat 1, Paecilomyces isolat 2, Paecilomyces isolat 3, Paecilomyces isolat 4, dan Aspergilus sp. Aplikasi jamur antagonis dilakukan dengan merendam akar tanaman cabai pada suspensi jamur dan aplikasi jamur patogen dilakukan dengan menyemprotkan suspensi jamur pada buah cabai sampai seluruh permukaannya basah. Hasil penelitian menunjukkan bahwa semua jamur antagonis yang diuji mampu mengkolonisasi akar tanaman cabai. Isolat yang terbaik dalam mengkolonisasi dan penekanan penyakit antraknosa adalah Trichoderma isolat 3 yang memiliki kemampuan kolonisasi sebesar 95,83%, persentase buah terserang 18,75% dan intensitas serangan sebesar 20% dan Trichoderma isolat 1 memiliki kemampuan kolonisasi sebesar 91,66%, persentase buah terserang 25,00% dan intensitas serangan sebesar 32,50%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-10-17 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/7 10.25077/jpt.1.1.1-9.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 1 (2017): June 2017; 1-9 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/7/1 Copyright (c) 2017 Jurnal Proteksi Tanaman (Journal of Plant Protection)

oai:ojs.pkp.sfu.ca:article/9 2024-03-14T20:24:01Z jpt:ART

Karakterisasi Fisiologi Beberapa Isolat Cendawan Entomopatogen Beauveria bassiana Dan Virulensinya Terhadap Spodoptera litura Trizelia, Trizelia Nelly, Novri fisiologi cendawan entomopatogen Beauveria bassiana Spodoptera litura virulensi Penelitian ini bertujuan untuk mempelajari karakter fisiologi isolat B. bassiana yang berasal dari berbagai inang dan virulensinya terhadap Spodoptera litura. Lima isolat B. bassiana yang diuji diisolasi dari hama Leptocorisa oratorius (F.) dan Hypothenemus hampei (Ferr.), rizosfer tanaman bawang daun buah kakao dan batang gandum. Karakter fisiologi yang diamati adalah daya kecambah konidia, pertumbuhan koloni, dan sporulasi, Cendawan diperbanyak pada media SDAY dan uji virulensi dilakukan terhadap larva instar II S. litura. Hasil penelitian menunjukkan bahwa daya kecambah konidia, pertumbuhan koloni dan sporulasi bervariasi antar isolat. Isolat B. bassiana yang diisolasi dari L. oratorius dan buah kakao memiliki karakter fisiologi yang lebih baik dibandingkan dengan isolat lain. Kedua isolat ini juga lebih virulen terhadap larva instar II S. litura dengan mortalitas sebesar 80 – 81,67%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/9 10.25077/jpt.1.1.10-17.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 1 (2017): June 2017; 10-17 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/9/2 Copyright (c) 2017 Jurnal Proteksi Tanaman (Journal of Plant Protection)

oai:ojs.pkp.sfu.ca:article/10 2024-03-14T20:24:01Z jpt:ART

Respon Beberapa Varietas Padi Terhadap Serangan Fusarium fujikuroi Penyebab Penyakit Bakanae Darnetty, Darnetty Sulyanti, Eri rice, Bakanae, Fusarium fujikuroi Fusarium fujikuroi is the cause of bakanae disease in rice plants. Level of bakanae disease attack on some rice cultivation land in West Sumatra, especially in Padang Pariaman district is quite high. One effort to suppress the development of F. fujikuroi is by planting resistant varieties. In this study, 15 rice varieties originating Sumatera Barat were used to be tested for their response to F. fujikuroi attack. The purpose of this study was to obtain the varieties with the low attack rate of F. fujikuroi. Parameters observed were number of dead seeds, number of dead seedlings, number of stunted seedlings, number of seeds showing symptoms of Bakanae and total infected seeds. The results of the study indicated that symptoms of F. fujikuroi attack varied which  were dead seeds, stunting seedlings, dead seedslings and bakanae. The response of rice varieties to  F. fujikuroi attack was different with characterized by different levels of infection rates. Low infection rates were found in Pessel varieties (2.0%), Batang sahalai (15.5%), Cisokan (17.0%), and Batang Lembang (20%). Other varieties showed a high percentage of F. fujikuroi attacks ranging from 20% to 54.5%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-03-27 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/10 10.25077/jpt.1.1.18-23.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 1 (2017): June 2017; 18-23 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/10/4 Copyright (c) 2018 Jurnal Proteksi Tanaman (Journal of Plant Protection)

oai:ojs.pkp.sfu.ca:article/11 2024-03-14T20:24:01Z jpt:ART

Uji Beberapa Dosis Tepung Daun Gamal (Gliricididia sepium Jacq.) Terhadap Sitophilus oryzae L. Pada Beras Di Penyimpanan Rustam, Rusli Sutikno, Agus Laila, Jamiatul Rice, Organic insecticide, Sitophilus oryzae L., Gliricidia sepium Jacq Rice is one of serealea comodity that susceptible with pest storage. One of the pest that often attack the rice in storage is Sitophilus oryzae L. The alternative for control S. oryzae L. as fumigant which enviromentally sound is Gliricidia sepium Jacq. as organic insecticide. This research aims to get the best dose G. sepium Jacq. leaf powder to control S. oryzae L. pest in rice storage. This research conducted at Laboratory of Plant Pest, Faculty of Agriculture, University of Riau, Pekan baru from Mei until Juni 2016. This research arranged experimentally by using Completely Randomized Design consisting of 5 treatments and 4 replications. The treatment consist of 5 dose levels were 0 g/100 g rice, 2 g/100 g rice, 4 g/100 g rice, 6 g/100 g rice and 8 g/100 g rice. The result showed that giving of G. sepium Jacq. leaf powder with dose 8 g/100 g rice causes time of death beginningS. oryzae L. during 31.50 hours after application, lethal time 50 during 282.8 hours after application, total mortality was 70%, amount of generation was 9,75 beetles and  decrease of seed weight’s rice was 1.08%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-03-27 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/11 10.25077/jpt.1.1.24-33.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 1 (2017): June 2017; 24-33 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/11/3 Copyright (c) 2018 Jurnal Proteksi Tanaman (Journal of Plant Protection)

oai:ojs.pkp.sfu.ca:article/12 2024-03-14T20:24:01Z jpt:ART

Aktivitas Insektisida Campuran Ekstrak Air Buah Piper aduncum L. (Piperaceae) dan Batang Cymbopogon ciratrus (Dc.) Stapf (Poaceae) Terhadap Larva Crocidolomia pavonana F. (Lepidoptera: Crambidae) Lina, Eka Candra Supriadi, Adventus Yunisman, Yunisman Martinius, Martinius botanical insecticide Crocidolomia pavonana water extract antagonistic aditif Crocidolomia pavonana is an important pest in Brassicaceae. Botanical insecticides is pest control alternative  which meet to eco-friendly manajement. This study aims to determine lethal concentration of single  and mixture of water extract of Piper aduncum (Piperaceae) fruit and Cymbopogon cirtatus (Poaceae) stem against Crocidolomia pavonana larvae. The study was conducted in laboratory experiment through preliminary test and advance test using a completely randomized design (CRD). Observations were included to larval mortality, antifeedant effect, and duration of larval development. Bioassay was done against second instar larvae of C. pavonana using leaves immersion method during 48 hours. The results show that LC50 and LC95 value of mixture extract are 2.83% and 5.79% respectively. Based on index combination analysis, P. aduncum and C. citratus mixture extract  were antagonistic at LC50  and additive  at LC95 . Water extract of   P. aduncum and C. citratus were relatively weak to influence feeding activity of C. pavonana larvae (41%). Mixture extract  also extend larval development from second instar to third instar  around 0.24 days and third instar to fourth instar around 0.97 days. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-03-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/12 10.25077/jpt.1.1.34-41.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 1 (2017): June 2017; 34-41 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/12/5 Copyright (c) 2018 Jurnal Proteksi Tanaman (Journal of Plant Protection)

oai:ojs.pkp.sfu.ca:article/14 2024-03-17T14:45:19Z jpt:ART

Bioassay of Cassia alata Linnaeus crude extracts on Colletotrichum gloeosporioides in Vitro: Bahasa Inggris Pengujian Ekstrak Sederhana Bagian Tumbuhan Cassia alata Linnaeus terhadap Colletotrichum Gloeosporioides secara Invitro: Bahasa Inggris Arneti, Arneti Sulyanti, Eri crude plant extract Cassia alata C. gloeosporioides anthracnose disease Plant extracts have been known to cause inhibit the growth of Colletotrichum gloeosporioides.This study was aimed to determine the most potential part of Cassia alata crude extract to control antrachnose on chili. The study was conducted in Phytopathology Laboratory, Plant Pests and Diseases Department, Agriculture Faculty, Andalas University, from April to June 2015. The research used Completely Randomized Design (CRD) with seven treatments and five replications. The treatments were several extracts from different parts of C. Alata: 1) control 2) flower, 3) old leaf, 4) young leaf, 5) stem, 6) root, and 7) seed with concentration of 5% respectively. Variables observed were colony growth, colony width, conidia number, colony wet and dry weight, and conidia germination. The result showed that all of C. alata extracts could inhibit the growth of C. gloeosporioides in vitro. The best extract was from the old leaf with the percentage of colony width, conidia number, colony wet and dry weight, and conidia germination of 64,30%, 82,41%, 37,77, 29,8%, and 79,96% respectively. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/14 10.25077/jpt.1.2.42-51.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 42-51 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/14/6 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/15 2024-03-17T14:45:57Z jpt:ART

Endophytic Bacteria Ability in Controlling Damping Off and Sclerotium Wilt (Sclerotium rolfsii) in Soybean: Bahasa Inggris Kemampuan Bakteri Endofit dalam Mengendalikan Penyakit Rebah Kecambah dan Layu Sclerotium (Sclerotium rolfsii) pada Kedelai: Bahasa Inggris Marwan, Husda Mulyati, Sri Wilia, Weni endophytic bacteria damping off Sclerotium wilt soybean Endophytic bacteria have potency as candidates of biological control agents to plant disease, because the bacteria as reported to be associated with plant resistance to pathogens. The study aimed to determine the ability of endophytic bacteria to inhibit the growth of Sclerotium rolfsii in vitro, and suppress damping off disease incedence and Sclerotium wilt disease severity on soybean. The ability of endophytic bacteria to inhibit S. rolfsii was carried out on 44 isolates that isolated from soybean, rice and banana. The ability of endophytic bacteria to control damping off disease was carried out on 13 isolates were selected in vitro (BE-CW1, BE-M1, BE-M2, BE-M3, BE-M4, BE-S1, BE-S6, BE-S13, BE-S14, BE -BRRG2, BE-KH1), and also fungicides and two controls (healthy plant and diseased plant). The ability of endophytic bacteria to control Sclerotium wilt was carried out on 6 isolates which showed pressure on damping off disease (BE-M1, BE-M2, BE-M3, BE-M4, BE-CW1, BE-KH2) and 2 controls (healthy plants and diseased plants).The results showed that the thirteen isolates of endophytic bacteria could inhibit mycelial growth and germination S. rolfsii. Soybean seed treatment revealed that dipping the seed in endophytic bacterial isolates suppressed damping off disease incedence with a range of 37.4 to 49.9% and Sclerotium wilt disease severity of 20.1 to 85 % , as well as reduced the mortality of soybean by 26.3 to 84.4 % . BE-KH2 isolate was able to suppress Sclerotium wilt in soybean by 85% and reduce the mortality by 67.5%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/15 10.25077/jpt.1.2.52-61.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 52-61 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/15/7 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/16 2024-03-17T14:47:26Z jpt:ART

Biology of Mirid bug Helopeltis sp. (Hemiptera: Miridae) in Cocoa and Cucumber Biologi Penghisap Buah Helopeltis sp. (Hemiptera: Miridae) pada Buah Kakao dan Mentimun Nelly, Novri Khairul, Ujang biology cacao mentimun Helopeltis sp. This research purposed to study biology of Helopeltis sp. on cocoa and cucumber fruits. Research was done in insect bioecology laboratory using direct observation with 10 replications for each fruit. Parameter observed were copulation (hours), preoviposition time (days), number of eggs, nymphals, and adult periods (days), Oviposition time (days), and post oviposition time (days). The data obtained were analyzed descriptively and compared with t-test. Result of this research showed that Helopeltis sp. could thrive in cacao and cucumber fruits. Adult of Helopeltis sp. longevity in cacao fruits was 16 days and in cucumber fruits was 13 days. The number of eggs product average 10-10.9 eggs/female. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/16 10.25077/jpt.1.2.62-67.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 62-67 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/16/8 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/17 2024-03-17T14:48:50Z jpt:ART

Diversity of Water Insects in Conventional and Organic Rice Cultivations in Padang City Keanekaragaman Serangga Air di Sawah Konvensional dan Organik di Kota Padang Hamid, Hasmiandy Martinius, Martinius Diversity aquatic insects conventional and organic rice fields conventional and organic rice fields Study on diversity of aquatic insects in rice is important to determine the condition of the rice fields. The purpose of this research was to study the community of aquatic insects in two difference cultivations (organic and conventional) and sub districts (Koto Tangah dan Pauh) in Padang City. Purposive random sampling method was used. Samples were collected by using water insect nets and water bottle traps. The results showed that the aquatic insects found in the study site consisted of 5 orders (Coleoptera, Diptera, Ephemeroptera, Hemiptera, Odonata), 16 families, 51 species and 3808 individuals. Aquatic insect populations in organic farming was higher (5 orders, 15 families, 48 species and 3089 individuals) than conventional (4 orders, 9 families, 20 species and 719 individuals). Aquatic insects found were acting as predators (3718 individuals), detrivors (7 individuals), and omnivors (83 individuals). The diversity indexes of aquatic insects on two locations were classified as medium but the diversity in organic cultivation was higher than conventional. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/17 10.25077/jpt.1.2.68-78.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 68-78 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/17/9 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/18 2024-03-17T14:50:09Z jpt:ART

Pathogenicity of Entomopathogenic Fungi from Peanut Rhizosphere ( Arachis hypogaea Linnaeus) to Pod Borer Etiella zinckenella Treitschke (Lepidoptera: Pyralidae) Patogenisitas Cendawan Entomopatogen dari Rizosfir Kacang Tanah (Arachis hypogaea Linnaeus) terhadap Hama Penggerek Polong Etiella zinckenella Treitschke (Lepidoptera: Pyralidae) Reflinaldon, Reflinaldon Martinius, Martinius Peanut Etiella zinckenella Entomopathogenic fungi The objective of this study was to get entomopathogenic fungi isolates of bean plant rhizosphere derived from Nagari Sawah Tangah, District Pariangan, Tanah Datar Regency and to determine their pathogenicity on pod borer E. zinckenella. Isolation method was performed by diluting the soil samples in a serial dilution into 10-3 and cultured in PDA media. Furthermore, the purification was based on the shape and color of the fungus colonies. A total of 16 isolates obtained at the initial stage were selected by testing them against the fifth instar larvae Tenebrio molitor. Results showed that only 4 isolates (STA 1, STA 2.2, STA 5, and STB 3.1) could be further tested against E. zinckenella pod borer using completely randomized design (CRD). The highest pathogenicity isolates was exhibited by STA 1 belonged to Metarhizium genera. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/18 10.25077/jpt.1.2.79-87.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 79-87 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/18/10 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/19 2024-03-17T14:51:55Z jpt:ART

Effect of the Application Time of Paecilomyces spp. on t he Pressure of Root - Knot Nematodes ( Meloidogyne spp.) on Tomato ( Lycopersicum esculentum Mill.) Pengaruh Waktu Aplikasi Paecilomyces spp. terhadap Penekanan Nematoda Bengkak Akar (Meloidogyne spp.) pada Tanaman Tomat (Lycopersicum esculentum Mill.) Winarto, Winarto Reflinaldon, Reflinaldon application time Meloidogyne spp. fungus Paecilomyces spp. tomato The application time of Paecilomyces spp. was assumed affecting its ability to suppress the root knot nematode (Meloidogyne spp.). This study aimed to get the effective application time to suppress Meloidogyne spp. The study was carried out at greenhouse and Biological Control Laboratory of Faculty of Agriculture, University of Andalas from March to June 2015. The research method used was compeletely random design (CRD) with 5 treatments and 4 replications. The application times consisted of 14 days before planting, 7 days before planting, at planting time, 7 days after planting, 14 days after planting and control. Application time of Paecilomyces spp. on 7 days before planting was the best time to reduce the number of root knot, the group of nematode eggs, nematode eggs and nematode larvae in the soil. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2017-12-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/19 10.25077/jpt.1.2.88-94.2017 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 1 No. 2 (2017): Desember 2017; 88-94 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/19/11 Copyright (c) 2017 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/21 2024-03-17T14:41:07Z jpt:ART

Attack Intensity of Xanthomonas oryzae pv. oryzae on Several Rice Varieties and the Impact to Growth and Yield: bahasa inggris Intensitas Serangan Xanthomonas oryzae pv. oryzae pada Beberapa Varietas Padi Sawah dan Dampaknya terhadap Pertumbuhan dan Hasil Panen: bahasa inggris pinem, Terkelim syarif, zulfadly Leaf blight disease bacteria varieties rice attack level The attack intensity of several rice varieties to bacterial leaf blight (BLB) disease caused by Xanthomonas oryzae pv. oryzae is assumed to be different. This study aimed to determine the intensity of BLB attacks on several rice varieties and determine level of resistance. The research was conducted from April to July 2016 on experimental land of Center for Agricultural Training (BBPP) of Batangkaluku, Gowa Regency, South Sulawesi Province. The study used an experimental method with Randomized Block Design (RBD) in 6 treatments and 4 replications. The treatment in the form of 6 rice varieties, namely: IR 64, Ciherang, Situ Bagendit, Sintanur, Mekongga, and Celebes. The results showed that all varieties were included in the criteria of moderately resistant to bacterial leaf blight X. oryzae pv. oryzae. The attacks of BLB tended to increase every week, with the highest attacks found on 84 day after planting. The highest attack was found at 84 day after planting. The most resistant variety was Mekongga with the intensity of attacks ranging from 0 – 7.09% (resistant - moderately resistant) and able to provide the highest yield of 7.2 tons ha-1. Plant height and number of tillers were not affected by bacterial leaf blight attacks. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/21 10.25077/jpt.2.1.9-17.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 9-17 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/21/14 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/22 2024-03-17T14:40:07Z jpt:ART

Preference and Attack Level of Golden Apple Snail (Pomaceae canaliculata Lamarck) on Some Rice Varieties (Oryza sativa Linnaeus): english Preferensi dan Tingkat Serangan Keong Mas (Pomaceae canaliculata Lamarck) terhadap Beberapa Varietas Padi (Oryza sativa Linnaeus): english Rusli, Rusdi Gani, Suardi Hutasoit, Rudy Thomson rice variety golden apple snail preference The study of preference dan attack level of golden apple snail (Pomaceae canaliculata Lamarck) on several rice varieties was carried out in farmers' paddy fields at Limau Manis, Pauh District, Padang, West Sumatera. The aim of this study was to obtain golden apple snail preferences and its attack level on several rice varieties. The experiments used a Randomized Block Design (RBD) with 8 treatments and 3 blocks. The treatments were several varieties commonly grown in West Sumatera, namely: Cisokan, IR 42, Anak Daro, IR 66, Batang Piaman, Ceredek Merah, Kuriek Kusuik, and Junjuang. The parameters observed were the preference, percentage and intensity of golden apple snail attacks on rice, and rice yield. The results showed that golden apple snail liked all rice varieties, but different varieties affected the preference and attack level. The three most preferred rice varieties by golden apple snail were IR 66, IR 42 and Anak Daro. Meanwhile the three least preferred rice varieties were Kuriek Kusuik, Batang Piaman and Junjuang with a low attack level and a high of yield. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/22 10.25077/jpt.2.1.1-8.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 1-8 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/22/13 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/23 2024-03-17T14:41:44Z jpt:ART

Activity of Part of Spiked Pepper (Piper aduncum Linnaeus) Originating from Different Locations in Suppressing the Growth of Colletotrichum gloeosporioides Invitro: english Aktivitas Bagian Tumbuhan Sirih Hutan (Piper aduncum Linnaeus) yang Berasal dari Lokasi Berbeda dalam Menekan Pertumbuhan Colletotrichum gloeosporioides secara Invitro: english Kumalasari, Lisa Sulyanti, Eri Hamid, Hasmiandy Anthracnose chili Colletotrichum gloeosporioides spiked pepper The boiled water of Leaves and inflorescences of spiked pepper (Piper aduncum) is one alternative to control the pathogen of anthracnose (Colletotrichum gloeosporioides) in chili. The purpose of this study was to determine the activity of leaves and inflorescences of spiked pepper from different locations in suppressing the growth of C. gloeosporioides in vitro. The research was carried out in Phytopathology Laboratory of Pests and Plant Diseases Department, Faculty of Agriculture, Universitas Andalas from March to May 2017. The study used a Completely Randomized Design (CRD) with 5 treatments and 5 replications. Data from observations were analyzed by ANOVA and LSD at the level of 5%. The parameters observed were the growth of fungal colony area, wet and dry weight, number of conidia/ml of suspension and conidia germination. The results showed that the application of leaves and inflorescences of spiked pepper from different locations could suppress the growth of C. gloeosporioides in chili in vitro. Boiled water of inflorescences of spiked pepper from Bukit Lampu - Bungus - Padang City became the best treatment because it had the highest ability in suppressing C. gloeosporioides colony area with an effective suppression of 73.5% and reducing the highest germination capacity with an effective suppression of 23.28%. Its ability to reduce wet and dry weight were not different from inflorescences boiled water from Limau Manis, then the ability to suppress the number of conidia was not significantly different from leaves and inflorescences boiled water from Bukit Lampu and Limau Manis. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/23 10.25077/jpt.2.1.18-27.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 18-27 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/23/15 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/24 2024-03-17T14:42:30Z jpt:ART

Effect of Different Concentration of Crude Extract of Lantana camara Linnaeus Leaf on Mortality and Development of Spodoptera exigua Hubner (Lepidoptera: Noctuidae): english Uji Konsentrasi Ekstrak Air Daun Lantana camara Linnaeus terhadap Mortalitas dan Perkembangan Spodoptera exigua Hubner (Lepidoptera: Noctuidae): english Liswarni, yenny Sari, Nicha Puspita Hamid, Hasmiandy water extract Lantana camara botanical insecticide Spodoptera exigua Spodoptera exigua Hubner is one of the major pests which attack onion crop. Botanical pesticides can be used as an alternative that is cheap, easy and environmentally friendly in controlling these pests. Lantana camara Linn is a plant that has the potential as a botanical pesticide. This study aimed at obtaining the best concentration of water extract of leaves of L. camara which was active on mortality, reduced feeding activity and development of S. exigua in the laboratory. The experiment was conducted using a Completely Randomized Design (CRD), with 6 treatments and 5 replications. The concentration was used a 0%, 2%, 4%, 6%, 8% and 10%. The treatment was done by the application through the larval feed. Parameters observed were larval mortality, reduced feeding activity, duration of larval development, the percentage of pupal, weight of pupal and percentage of adult formed. The results showed that the concentration of water extract of leaves of L. camara as insecticide with LC50 value was 5.02%. Water extract of leaves of L. camara also decreased feeding activity, inhibit development of larval, pupal and adult formed. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/24 10.25077/jpt.2.1.28-36.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 28-36 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/24/16 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/25 2024-03-17T14:43:44Z jpt:ART

Activity of Mangosteen Methanol Extract Rind (Garcinia mangostana Linnaeus) against Crocidolomia pavonana Fabricius (Lepidoptera: Crambidae): English Aktifitas Ekstrak Metanol Kulit Buah Manggis (Garcinia mangostana L) terhadap Crocidolomia pavonana Fabricius (Lepidoptera: Crambidae): English Arneti, Arneti Liswarni, Yenny Sinaga, Ismi Fadhilah Botanical insecticide mangosteen peel fruit antifeedant developmental time Crocidolomia pavonana is an important pest of Brassicaceous which can be controlled by botanical insecticide. The objective of this study was to determine activity of the mangosteen peel fruit (G. mangostana) methanol extract on mortality and development of C. pavonana. The research was conducted at laboratory. The design used was a completely randomized design with four level of methanol extract of the mangosteen peel fruit on larva of 2nd instar. The extract was tested to larvae by a leaf-residue feeding method without selection. The parameters were mortality, antifeedant activity, developmental time, and numbers of pupae C. pavonana formed. The results showed that methanol extract of the mangosteen peel fruit was less effective in controlling C.pavonana. The  highest concentration of extract (0.5%) caused mortality 72%, antifeedant activity  55,70%, extended larval developmental time and inhibited numbers of pupae formed  of 30,66%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/25 10.25077/jpt.2.1.37-43.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 37-43 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/25/17 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/26 2024-03-17T14:44:29Z jpt:ART

Ability of Rhizobacterial Isolates as Antagonistic Activity for Fusarium Verticillioides Invitro, Causes of Maize Ear Cob (Zea mays Linnaeus): english Kemampuan Isolat Rizobakteri sebagai Agens Antagonis Fusarium verticillioides Penyebab Penyakit Busuk Tongkol pada Tanaman Jagung (Zea mays Linnaeus), secara Invitro: english Martinius, Martinius yunisman, yunisman Harpani, Aisyah Siderophores hemolytic test chitinolytic test fluorescent Rhizobacteria is an alternative biocontrol of Fusarium verticillioides Sacc. Nirenberg caused ear rot on maize. The aim of this study was to screen rhizobacteria isolates that had ability as antagonist agent against F. verticillioides in vitro. Rhizobacteria was isolated from rhizosphere of healty maize from two villages of West Pasaman.  Twenty six rhizobacteria  isolates  were obtained, then tested for hypersensitive reaction (HR), pectinase enzyme production, initial inhibitory activity, and hemolytic test. Two selected isolates: RBPas1 10-6 1 and RBPas2 10-5 2 could inhibit the growth of F. verticillioides. The inhibitory activity of both isolates were observed with dual culture method, using complete random design (CRD) with 2 treatments and 5 replications, furthermore physiological characterization was conducted. RBPas1 10-6 1 and RBPas2 10-5 2 isolates had the percentage inhibition of micelial growth: 46.16% and 31.30% respectively. Physiological characterization showed that RBPas1 10-6 1 was gram negative with baciliform cells, produced chitinase enzyme, siderophores and fluorescent. RBPas2 10-5 2 was gram positive with bacilliform cells, did not produce chitinase enzyme, siderophores and fluorescent. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-06-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/26 10.25077/jpt.2.1.43-53.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 1 (2018): June 2018; 43-53 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/26/18 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/29 2024-03-17T14:34:20Z jpt:ART

Water Extract Activities of Piper aduncum inflorescences and Tephrosia vogelii leaves as Insecticide to Crocidolomia pavonana Fabricius (Lepidoptera: Crambidae): english Aktivitas Insektisida Ekstrak Air Campuran Buah Piper aduncum dan Daun Tephrosia vogelii terhadap Crocidolomia pavonana Fabricius (Lepidoptera: Crambidae): english Afriyanita, Afriyanita Lina, Eka Candra Darnetty, Darnetty Crocidolomia pavonana Piper aduncum Tephrosia vogelii antagonist additive The botanical insecticide is alternative pest control that is feasible to be developed. The inflorescences extract of Piper aduncum and leaf extract of Tephrosia vogelii are known to have insecticidal activity. The study aimed to determine the effect of a mixture of water extract of P. aduncum inflorescences and T. vogelii leaves on C. pavonana. This test used a completely randomized design (CRD) consisting of 6 treatments (0.0, 2.5, 3.0, 3.5, 4.0 and 5.0%) and 5 replications. Observation parameters were larval mortality, antifeedant effect, larval development time, pupal development time, normal and abnormal pupae, and sex ratio. The mixture of water extract of P. aduncum inflorescences and T. vogelii leaves (2:1) at LC50 (3.19%) was antagonistic and at LC95 (6.07%) was additive. The mixture influenced larval mortality (81.0%), had antifeedant effect (84.5%) and prolonged larval development time 1.71 days on 2nd-3rd instars and 2.4 days on 2nd-4th instars compared to control, but there were no effect on pupal development time, number of abnormal pupae and sex ratio. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/29 10.25077/jpt.3.1.34-46.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 34-46 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/29/22 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/31 2024-03-17T14:31:46Z jpt:ART

Response of Mealybug and Papaya Plant to Salicylic Acid Application: english Respon Kutu Putih Pepaya dan Tanaman Pepaya terhadap Aplikasi Asam Salisilat: english octriana, Liza Putra, Nugroho Susetya Suputa, Suputa mealybug papaya salicylic acid Salicylic acid is one of the elicitor substances that can be used to reduce the level of damage of plants, both by pathogen and herbivore. The application of salicylic acid also affects plant growth and productivity. The impact of the salicylic acid application on a plant varies, such as depending on concentration, mode of application, and plant species. This research aimed to know the effect of different salicylic acid concentrations on mealybug development and papaya growth. The results showed that salicylic acid at concentrations of 100 mg/l slowed mealybug development and suppressed the amount of fecundity. Still, it caused a plant to grow smaller relatively. The application of salicylic acid at a concentration of 50 mg/l was the best treatment because it provided the best growth of papaya plants and suppressed the fecundity of mealybug. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/31 10.25077/jpt.3.1.10-17.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 10-17 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/31/21 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/32 2024-03-17T14:32:43Z jpt:ART

The Influence of the Aplication of Some Active Ingridients of Synthetic Insecticides on Predator Eocanthecona furcellata (Wolff) in The Laboratory: english Pengaruh Aplikasi Beberapa Jenis Bahan Aktif Insektisida Sintetis terhadap Predator Eocanthecona furcellata (Wolff) di Laboratorium: english Rustam, Rusli Fauzana, Hafiz Salbiah, Desita Pamungkas, Nailul Hakim Palm oil Setora nitens Synthetic insecticides Eocanthecona furcellata Application of various synthetic insecticides to control fire caterpillar (Setora nitens) on palm oil plantation has negative impact on predator Eocanthecona furcellata, the natural enemy of fire caterpillar. Profenofos, deltamethrin and cypermethrin insecticides have negative effect because they can reduce population of E. furcellata. The research was conducted using contact method with concentration of 2 ml.l-1 and water as a control with 7 days in observation time. Generallly, the result of the research showed that synthetic insecticides have toxicity on E. furcellata. The profenofos had an effect on the total mortality of E. furcellata up to 63.33%, cypermethrin up to 59.99% and deltamethrin up to 53.33%. The female significantly was more tolerant than male. It is necessary to choose suitable insecticide that are not only effective in controlling S. nitens but also safe for natural enemies. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/32 10.25077/jpt.3.1.18-25.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 18-25 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/32/23 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/33 2024-03-17T14:33:25Z jpt:ART

Effect of Auxin on Cluster Caterpillars (Spodoptera litura Fabricius), and the Impact to Growth and Yield of Potato Granola Cultivar: english Pengaruh Auksin terhadap Ulat Grayak (Spodoptera litura Fabricius) serta Pertumbuhan dan Hasil Kentang Kultivar Granola: english Hakim, Arief Lukmanul Mutakin, Jenal Fajarfika, Resti Auxin potato Spodoptera litura This research was purposed to determine the best auxin concentration against cluster caterpillar attack (Spodoptera litura Fabricius.), growth, and yield of potato (Solanum tuberosum Linnaeus). The research was conducted in Cikeris Cikandang, Cikajang, Garut, with altitude 1.298 meters above sea level in January until April 2018. The method used in this research was experimental method, Randomized Block Design (RBD) with 5 treatments of auxin (A = 0 ml/l, B = 1 ml/l, C = 2 ml/l, D = 3 ml/l and E = 4 ml/l) and 5 replications. The results of this research showed that the application of auxin did not affect the existence and attack of cluster caterpillar, but it affected the growth and yield of potato. The auxin concentration of 2 ml/l became the best concentration to plant height, tuber number, and tuber weight. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/33 10.25077/jpt.3.1.26-33.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 26-33 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/33/24 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/34 2024-03-17T14:30:19Z jpt:ART

Effectiveness of Several Plant Extracts for Controlling Golden Snail (Pomacea canaliculata Lamark) on Rice Plants: english Efektivitas Ekstrak Beberapa Tumbuhan untuk Pengendalian Keong Mas (Pomacea canaliculata Lamarck) pada Tanaman Padi Sawah: english Rusli, Rusdi Martinius, Martinius Marzuki, Dedi leaf extract crude extract golden snail rice plant Golden snail is an important pest on rice plants in Indonesia. The study purposed to obtain the most effective plant extracts to suppress the golden snail population. The study was conducted at the greenhouse of Faculty of Agriculture, Universitas Andalas, Padang from November to December 2018, using a Completely Randomized Design (CRD) with six treatments and four replications. The treatment was leaf extracts from several plants with a concentration of 10 g/l, that were god’s crown or mahkota dewa (Phaleria macrocarpa), noni or mengkudu (Morinda citrifolia), breadfruit or sukun (Artocarpus altilis), ti plant or andong (Cordyline fruticosa), mangkokan (Nothopanax scutellarium), and control. The parameters observed were mortality of golden snails, percentage of clumps attacked, and intensity of golden snail attacks. The results showed that there were three leaf extracts could suppress golden snail population significantly, ie. Mangkokan, andong and mahkota dewa. The mangkokan leaf extracts was most effective in controlling golden snails which caused mortality of golden snails to reach 100% within 24 hours of exposure so that they did not attack the clumps as a whole. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/34 10.25077/jpt.3.1.1-9.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 1-9 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/34/20 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/35 2024-03-17T14:34:59Z jpt:ART

Activity of Water Decoction of Some Leaves of Plant to Suppress the Growth of Sclerotium rolfsii Sacc: A Cause of Stem Rot Diseases of Peanuts Invitro: english Aktivitas Air Rebusan Daun dari Beberapa Tumbuhan dalam Menekan Pertumbuhan Sclerotium rolfsii Sacc. Penyebab Busuk Batang pada Tanaman Kacang Tanah secara In Vitro: english Martinius, Martinius Gani, Suardi Ningsih, Juita Wilna Arachis hypogaea Linnaeus Sclerotium rolfsii Water decoction of leaves The leaves of some plants have been proved to suppress the development of plant diseases caused by pathogens. The study aimed to determine the water decoction of leaves to suppress the growth of S. rolfsii caused stem rot on peanuts in vitro. The study was conducted in the Laboratory of Phytopathology Departement of Plant Pest and Disease Faculty of Agriculture, Andalas University, from May-July 2015. The experimental design was a Randomized Complete Design (RCD) with seven treatments and six replications. The treatments were control, water decoction of Annona squamosa, Impatiens balsamina, Eclipta alba, Cymbopogon citratus and Tithonia diversifolia with concentration of 0,5% and fungicide with tebukonazol active ingredient at a concentration of 0,1%. Variables observed were macroscopic fungal culture, colony area, wet and dry weight of colonies. Data were analyzed by using ANOVA and DNMRT at a 5% of significance level.. The results showed that all water decoctions of plant leaves were able to suppress the growth of S. rolfsii. The most active of the water decoction was from T. diversifolia with suppression to colony area reached 77,32%,  and wet and dry weight were 77,24% and 84,66%, respectively. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-06-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/35 10.25077/jpt.3.1.47-55.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 1 (2019): June 2019; 47-55 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/35/25 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/36 2024-03-17T14:35:49Z jpt:ART

Virulence of Entomopathogenic Fungi Beauveria bassiana against Spodoptera litura (Lepidoptera: Noctuidae) after Exposure to Ultra Violet Light: english Virulensi Cendawan Entomopatogen Beauveria bassiana terhadap Spodoptera litura (Lepidoptera: Noctuidae) Setelah Dipaparkan dengan Sinar Ultra Violet: english Trizelia, Trizelia Nurbailis, Nurbailis Tanca, Cherly Yugu Ultraviolet light Beauveria bassiana Virulence mortality Spodoptera litura Beauveria bassiana is one of the entomopathogenic fungi to control various kinds of insect pests. Virulence of B. bassiana against insects could be affected by ultraviolet (UV) light. The study was aimed to determine the effect of different times of UV light exposure to B. bassiana against Spodoptera litura. The study was arranged in a Completely Randomized Design (CRD) with six different times of UV light exposure (control, 0, 15, 30, 45, 60 minutes) in four replications, respectively. Those B. bassiana were inoculated on the second instar of larvae of S. litura. The parameters observed were colony growth of B. bassiana, conidial germination, larval mortality, percentage of pupae, and adults formed. The data were analyzed by analysis of variance and LSD test at the 5% significance level. The results showed that exposure of B. bassiana to UV light reduced its germination but not inhibit the growth of B.bassiana. The exposure for 45 minutes and 60 minutes increased the virulence of B. bassiana that indicated by an increase of S.litura mortality (15.0-62.5%) and shorter LT50 (6.29-10.92). Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/36 10.25077/jpt.2.2.58-64.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 58-64 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/36/26 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/37 2024-03-17T14:36:26Z jpt:ART

Accuracy of a Dose of Tagetes erecta Linnaeus Leaf Powder to Control Root-Knot Nematodes (Meloidogyne spp.) on Tomato (Lycopersicum esculentum Mill.): english Efektifitas Serbuk Daun Tagetes erecta Linnaeus untuk Mengendalikan Nematoda Bengkak Akar (Meloidogyne spp.) pada Tanaman Tomat (Lycopersicum esculentum Mill.): english Trismal, Okiel Busniah, Munzir Winarto, Winarto Tomato nematode root knots botanical pesticide dose Tagetes erecta Linnaeus is classified as a nematisidal plant so that it can control root-knot nematodes (Meloidogyne spp.). The purpose of this study was to determine the dose of T. erecta leaf powder, which was effective in controlling root-knot nematodes (Meloidogyne spp.) on tomato. This study used a Completely Randomized Design (CRD) with six treatments and four replications, namely the effectiveness of several doses of T. erecta leaf powder (control/ no treatment, 5 g, 10 g, 15 g, 20 g, 20 g, 25 g each 5 kg of soil). The results showed that the application of T. erecta leaf powder reduced the amount of root-knot, number of eggs and groups of eggs and the number of nematodes in the soil. The most effective dose was 20 g/ 5 kg of soil. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/37 10.25077/jpt.2.2.65-71.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 65-71 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/37/27 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/38 2024-03-17T14:37:04Z jpt:ART

The Attacks of Brontispa Longissima (Gestro) (Coleoptera: Chrysomellidae) on Genjah and Dalam Varieties of Coconut in Solok District: english Tingkat Serangan Brontispa Longissima (Gestro) (Coleoptera: Chrysomellidae) pada Kelapa (Cocos Nucifera) Varietas Genjah dan Varietas Dalam di Kabupaten Solok: english Simamora, Kiki Fajrina Yunisman, Yunisman Winarto, Winarto Tingkat serangan Brontispa longissima Cocos nucifera The attack of Brontispa longissima has spread to almost all coconut plantations in Indonesia. This study aimed to determine the attack level of B.longissima on dwarf and tall varieties and the number of fruit in Solok Regency. A survey with purposive random sampling was done. The parameters observed were the percentage of plants attacked, the percentage of midribs attacked, and the number of the coconut fruit. The results showed that the highest percentage of coconut attacked by B. longissima occurred on the tall variety (83.34%) in Gunung Talang Subdistrict, the highest percentage of midribs attack occurred on tall variety (12.67%) in X Koto Singkarak Subdistrict. There was a negative close correlation between the percentage of leaves attacked and the number of coconuts. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/38 10.25077/jpt.2.2.72-77.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 72-77 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/38/28 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/39 2024-03-17T14:37:59Z jpt:ART

Antagonistic Activity of Fungi Associated with Root-knot Nematode (Meloidogyne spp.) on Tomato Rhizosphere: English Aktivitas Antagonistik Jamur yang Berasosiasi dengan Nematoda Bengkak Akar (Meloidogyne spp.) pada Rizosfer Tanaman Tomat: English Winarto, Winarto Trizelia, Trizelia Liswarni, Yenny antagonistic activity fungi Meloidogyne spp The purpose of experiment were to know antagonistic activity of fungi to root-knot nematode (Meloidogyne spp.) in rhizosphere of tomato. The experiment consisted of isolation, test of antagonistic activity and identification of fungi that carried out at Phytopathology Laboratory of Universitas Andalas. Soil samples were taken from rhizosphere of healthy tomato in Alahan Panjang, Solok, and Agam. The results indicated that there were seven antagonistic fungi to Meloidogyne spp., namely: Paecilomyces sp., Penicillium, sp., Aspergillus sp., Fusarium sp., Gliocladium sp. Trichoderma sp., and Chaetomium sp. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/39 10.25077/jpt.2.2.78-86.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 78-86 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/39/29 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/40 2024-03-17T14:38:38Z jpt:ART

Evaluation of Indigenous Pseudomonad Fluoresens Isolates from Healthy Banana Rhizospheres on Endemic Area of Fusarium Wilt for Controlling Fusarium Wilt: english Evaluasi Isolat Pseudomonad fluoresens Indigenus dari Rizosfir Berbagai Kultivar Tanaman Pisang Sehat di Lahan Endemik Penyakit Layu Fusarium untuk Pengendalian Penyakit Layu Fusarium: english Sulyanti, Eri Habazar, Trimurti Husin, Eti Farda Nasir, Nasril Dharma, Abdi Banana Fusarium oxysforum f.sp cubense ras 4 rhizosphere colonization Fusarium oxysforum f.sp. cubense ras 4 Fusarium wilt diseases caused by Fusarium oxysporum  f sp cubense (Foc) is the most important diseases on banana in the world. Once Foc is present in the soil, it cannot be eliminated. The aim of research was to evaluate the potential of Pseudomonad fluorescens indigenous to control Fusarium wilt in planta. This experiment was arranged by completely randomized design with 17 treatments and 10 replications. Sixteen  isolates of P. fluorescens indigenous had been successly taken from several different cultivars of banana rhizospheres at endemic area of Fusarium wilt  in the centre of banana production in West Sumatra that were introduced to banana seedlings cv Cavendish inoculated with Foc. The variable observed were incubation period, percentage of leaf infection, discoloration of pseudostem and the intensity of damaged corms. The result showed that The PfCvP1 isolate (from rhizosphere of Cavendish at low altitude area) was the most effective to inhibit the development of Fusarium wilt: 97.89 % (prolong incubation period), 67.26 % (reduced infected leaves), 63.63 % (reduced damaged corm), and 72.62 % (reduced disclorotion of pseudostem) and increased plant growth. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/40 10.25077/jpt.2.2.87-96.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 87-96 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/40/30 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/41 2024-03-17T14:39:22Z jpt:ART

Effect of Biological Agents Applied on Rice Seeds on Bacterial Leaf Blight and Blast Development and Rice Growth: English Pengaruh Aplikasi Agensia Hayati pada Bibit Padi terhadap Perkembangan Penyakit Hawar Daun Bakteri dan Blas serta Pertumbuhan Tanaman Padi: English Marwan, Husda Mapegau, Mapegau Mulyanti, Sri Biological agents bacterial leaf blight blast Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae (Xoo), and the blast caused by Pyricularia oryzae can decrease rice production about 60% and 70%. The study aimed to determine the effect of rhizobacterial and endophytic bacterial isolates on BLB, blast, and the growth of rice plants, and also the characteristics of those biological agents. The isolates used were BR-IP3 dan BR-BC1 (bacterial isolates), BE-KR3 dan BE-KT2 (endophytic bacterial isolates). The rice varieties used Indragiri, Ciherang, and Inpara 3. The results showed that the application of various biological agents on rice seed of Indragiri, Ciherang, and Inpara 3 varieties were able to reduce the HDB of 80-100% and the blast of 31.8-88.6%. The isolates of BR-IP3 and BE-KR3 could dissolve phosphate and fix nitrogen, whereas the isolates of BR-BC1 and BE-KT2 were only able to dissolve phosphate. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2018-12-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/41 10.25077/jpt.2.2.97-103.2018 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 2 No. 2 (2018): December 2018; 97-103 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/41/31 Copyright (c) 2018 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/42 2024-03-17T14:25:16Z jpt:ART

Activity of Orange Peel Decoction (Citrus spp) to Suppress the Growth of Colletotrichum gloeosporioides on Dragon Fruit Plants In vitro: Activity of Orange Peel Decoction (Citrus spp) to Suppress the Growth of Colletotrichum gloeosporioides on Dragon Fruit Plants In vitro Aktivitas Air Rebusan Beberapa Kulit Jeruk (Citrus spp) untuk Menekan Pertumbuhan Colletotrichum gloeosporioides pada Tanaman Buah Naga secara In Vitro: Activity of Orange Peel Decoction (Citrus spp) to Suppress the Growth of Colletotrichum gloeosporioides on Dragon Fruit Plants In vitro Sulyanti, Eri Yaherwandi, Yaherwandi Ulindari, Restu Monika pestisida nabati kulit jeruk antraknosa buah naga Penelitian bertujuan untuk mendapatkan air rebusan kulit jeruk yang efektif dalam menekan pertumbuhan patogen Colletotrichum gloeosporioides penz. & Sacc. penyebab penyakit antraknosa pada tanaman buah naga (Hycoleceurus polyrhizus, L.) secara in vitro. Hasil penelitian diharapkan dapat membantu petani dalam mengendalikan penyakit antraknosa pada tanaman buah naga, serta mampu mempertahankan kualitas dan kuantitas dalam memproduksi buah naga. Penelitian ini dilaksanakan di laboratorium Fitopatologi Fakultas Pertanian Universitas Andalas dengan Rancangan Acak Lengkap, 6 perlakuan dan 5 ulangan. Perlakuannya adalah air rebusan dari beberapa kulit jenis jeruk dengan konsentrasi 5 g/100 ml, diantaranya: A = Tanpa perlakuan (kontrol); B = Kulit jeruk purut (Citrus histrix DC); C = Kulit jeruk manis (Citrus sinensis L.); D = Kulit jeruk nipis (Citrus aurantifolia); E = Kulit jeruk kasturi(Citrus madurensis Lour.) ; F = Pestisida berbahan aktif (tebukonazol, dengan dosis anjuran 2 g/100 ml,  sebagai pembanding). Data yang diperoleh dianalisis secara sidik ragam (uji F) dan jika berbeda nyata dilanjutkan dengan (Least Significance Different) LSD pada taraf nyata 5%. Hasil penelitian menunjukkan bahwa dari perlakuan beberapa kulit jeruk dapat menekan pertumbuhan jamur C. gloeosporioides in vitro. Perlakuan air rebusan kulit jeruk manis adalah yang paling baik dengan efektivitas penekanan: luas koloni 76,86%, jumlah konidia 94,58%, dan daya perkecambahan konidia 38,18%. Namun efektivitasnya masih rendah jika dibandingkan dengan penggunaan pestisida berbahan aktif tebukonazol lebih efektif 100%. Colletotrichum gloeosporioides is a pathogenic fungus that attacks dragon fruit plants. This research aimed to obtain effective orange peel decoction in suppressing the growth of C. gloeosporioides that causes anthracnose on dragon fruit plants in vitro. The research was carried out in the Phytopathology Laboratory of the Faculty of Agriculture, Universitas Andalas with a Completely Randomized Design, six treatments, and five replications. The treatment was decoction of several orange peels with a concentration of 5 g / 100 ml (Control, kaffir lime skin (Citrus histrix), sweet orange peel (Citrus sinensis), lime peel (Citrus aurantifolia), castard orange peel (Citrus madurensis), and tebukonazol (synthetic pesticides with a recommended dose of 2 g / 100 ml). The data obtained were analyzed by ANOVA and LSD at 5% significance level. The results showed that the decoction of several orange peels could suppress the growth of C. gloeosporioides. The decoction of sweet orange and lime peel were the highest in reducing the colony area, with the effectiveness of suppression were 76.86% and 73.96%, respectively. Sweet orange peel decoction was most effective in reducing the number of conidia (94.58%). The decoctions of sweet orange, lime peel, and musk orange peels can reduce wet weight, dry weight, and inhibit the germinating rate of C. gloeosporioides. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/42 10.25077/jpt.3.2.56-64.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 56-64 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/42/32 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/43 2024-03-17T14:26:22Z jpt:ART

Test Some Concentrations of Tuba Root Extract (Derris elliptica Benth) to Control Horn Beetle Larvae (Oryctes rhinoceros Linnaeus) on Palm Oil Plant: Test Some Concentrations of Tuba Root Extract (Derris elliptica Benth) to Control Horn Beetle Larvae (Oryctes rhinoceros Linnaeus) on Palm Oil Plant Uji Beberapa Konsentrasi Ekstrak Akar Tuba (Derris elliptica Benth) untuk Mengendalikan Larva Kumbang Tanduk (Oryctes rhinoceros Linnaeus) pada Tanaman Kelapa Sawit: Test Some Concentrations of Tuba Root Extract (Derris elliptica Benth) to Control Horn Beetle Larvae (Oryctes rhinoceros Linnaeus) on Palm Oil Plant Akbar, Muhammad Jalaludin Rustam, Rusli Palm oil Oryctes rhinoceros Derris elliptica Oryctes rhinoceros Linnaeus is one of the main pests of oil palm plants. The Oryctes rhinoceros control of being commonly used is synthetic insecticides. However, it is unwise useable to cause negative impacts on humans and the agricultural environment. Therefore, an alternative insecticide that is safer and environmentally friendly is needed, such as tuba root (Derris elliptica Benth.). The research was conducted in a Plant Pest laboratory, Faculty of Agriculture, University of Riau, Pekanbaru, from July to August 2018. This study aims to obtain an effective concentration of tuba root extract to control Oryctes rhinoceros larvae. The research was conducted experimentally using a Completely Randomized Design (CRD), which consists of five treatments and four replications. The treatment used is the concentration of tuba root extracts 0 g.l-1 of water, 25 g.l-1 of water, 50 g.l-1 of water, 75 g.l-1 of water and 100 g.l-1 of water. The result in them showing that the application of tuba root extract at a concentration of 75 g.l-1 was able to decrease O. rhinoceros larvae population with a total mortality of 82.5%. The lethal concentration to kill 50% of O. rhinoceros larvae population was 1.0% or equal to 10 g.l-1 of tuba root extract, while the lethal concentration to kill 95% of O. rhinoceros larvae population was 30.6% or equal to 306 g.l-1 tuba root extract. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/43 10.25077/jpt.3.2.65-74.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 65-74 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/43/33 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/44 2024-03-14T20:21:36Z jpt:ART

Potensi Plant Growth Promoting Rhizobacteria untuk Pengendalian Cendawan Fusarium Verticillioides Sacc Nirenberg Pada Tanaman Jagung (Zea Mays Linnaeus): Potential of Plant Growth Promoting Rhizobacteria for the Control of Fusarium Verticillioides Sacc Nirenberg in Maize Plants (Zea mays Linnaeus) Bahasa Indonesia: English Rahma, Haliatur Winarto, Winarto Akbar, Fajar PGPR in vitro in planta dual culture antagonist Plant Growth Promoting Rhizobacteria (rhizobacteria)) is a soil bacterium that lives in the root region (rhizosphere), actively colonizes plant roots, can suppress pathogens, and increase plant growth. This study aims to obtain rhizobacterial isolates that have the potential to suppress cob rot disease in planta or in vitro and increase the growth of corn plants. This study used a randomized block design (RBD) for in planta with 15 rhizobacterial treatments, positive control (without F. verticillioides inoculation), and negative controls (F. verticillioides inoculation). Each procedure was repeated three times, and each replication consisted of 3 plants. In vitro testing using a Completely Randomized Design (CRD) with 15 rhizobacterial treatments and one control. Each repeated three times. Data were analyzed using variance analysis, if significantly different, continued with Duncan's New Multiple Range Test (DNMRT) at a 5% level. The results showed that LA2MKB 5.2 isolate was the isolate that had the best ability to suppress the development of F. verticillioides in planta with total effectiveness of 90.14%. LMTSA 5.4 isolate is the isolate that has the highest percentage of inhibition of dual culture in its ability as an antagonist of F. verticillioides in vitro, which is 7.20%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/44 10.25077/jpt.3.2.75-84.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 75-84 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/44/35 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/45 2024-03-17T14:27:34Z jpt:ART

Species and Damage Intensity of Major Pests on Cassava Plant (Manihot esculenta Crantz) in Lima Puluh Kota District: english Jenis dan Tingkat Serangan Hama Utama Tanaman Ubi Kayu (Manihot esculenta Crantz) di Kabupaten Lima Puluh Kota: english Hidrayani, Hidrayani Khairul, Ujang Ratib, Fadilla Ikhsan, Zahlul Cassava pests damage intensity mealybug whitefly Pests are one of constrains in cassava production. The research was done in cassava plantation in Lima Puluh Kota with the objectives were to determine the species of major pests of cassava and their damages. A survey was conducted in five subdistricts, Akabiluru, Guguak, Harau, Lareh Sago Halaban and Situjuah Limo Nagari. Twenty sampled plants were taken in 400 m2 plot laying in the middle of 0,5 hectar cassava plantation, 4-5 months. Four species of pests were found to attack cassava plants in Lima Puluh i.e: Paracoccus marginatus, Pseudococcus jackbeardsleyi, and Ferrisia virgata, whitefly, Aleurodicus dispersus. The three mealybugs caused percentage of plant attacked 85.5 %, percentage of leaf plant attacked 8.61 %, pest population 52.29 individual per plant with damage intensity was high. Whitefly caused percentage of plant attacked 12%, percentage of leaf plants attacked 0.77%, pest population 1.51 individual per plant. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/45 10.25077/jpt.3.2.85-92.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 85-92 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/45/36 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/46 2024-03-17T14:28:45Z jpt:ART

Resistance of Local Rice Varieties from West Sumatera Against the Virus that Cause Tungro Disease: english Ketahanan Beberapa Varietas Padi Lokal Sumatera Barat terhadap Virus Penyebab Penyakit Tungro: english Liswarni, Yenny Martinius, Martinius Nurbailis, Nurbailis Resistance varieties local rice virus tungro Tungro disease is one of the obstacles to increasing national rice production. The use of resistant varieties is a component to control the virus that is environmentally friendly and easily accepted because it does not require additional costs. This study aimed to determine the resistance of nine rice varieties commonly planted by farmers against the tungro. The study was conducted in a greenhouse, and the source of the tungro virus inoculum was taken from the Lintau area of ??West Sumatra Province. The results showed that of the nine varieties tested, IR 42 was resistant to the tungro attack, seven others were classified as moderate, and one variety was classified as vulnerable. The moderate resistant varieties were Anak Daro, Cisokan, Cantik Manih, Saganggam Panuah, Junjuang, Kuriek Kusuik, and Caredek Merah. In contrast, the variety that classified as vulnerable was Batang Sungkai due to the symptoms of attack more clearly than on other varieties, the fastest of a period of symptoms appear (10.15 days), the highest disease incidence (80.62%) with a disease index of 7.65. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/46 10.25077/jpt.3.2.93-99.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 93-99 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/46/37 Copyright (c) 2019 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/47 2024-03-17T14:29:34Z jpt:ART

Control of Fusarium fujikuroi Cause of Bakanae Disease in Rice by Trichoderma harzianum Culture Filtrate: English Pengendalian Fusarium fujikuroi Penyebab Penyakit Bakanae pada Padi dengan Filtrat Biakan Trichoderma harzianum: English Darnetty, Darnetty Putri, Desi Afrida Putri, Desi Afrida Nelly, Novri Bakanae disease Fusarium fujikuroi Trichoderma. harzianum culture filtrate Trichoderma harzianum culture filtrate is widely used to control plant pathogenic fungi because it contains secondary metabolites which act as antifungal.  This study aimed to determine the ability of T. harzianum culture filtrate at various concentrations to suppress the growth of Fusarium fujikuroi cause of bakanae disease in rice. The study consisted of 2 stages: 1. in the laboratory and 2. in the screen house using a Completely Randomized Design (CRD) consisting of 6 treatments and 5 replications. The treatments were T. harzianum culture filtrate concentrations, namely A, 0%, B. 25%, C. 50%, D.75%, E. 100% and F. control (without filtrate and without F. fujikuroi). Parameters observed for stage I (in the laboratory) i.e. the percentage of seeds attacked by F. fujikuroi, colony thickness and colony area and parameters observed for stage 2 (in the screen house) i.e. the number of seedlings appearing, the seeds showing symptoms of bakanae, dead seeds, dead seedlings and stunting seeds. The results showed that the T. harzianum culture filtrate was able to suppress the growth of F.fujikuroi at both in the laboratory and in the screen house. The best filtrate concentration was 100% with the inhibition on the colony area of 77.38%, the number of seeds germinating of 55.78%, seeds showing bakanae of 80.06%, dead seeds of 60.09%, dead seedlings of 52.97%, and stunting seedlings of 60.09% Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2019-12-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/47 10.25077/jpt.3.2.100-109.2019 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 3 No. 2 (2019): December 2019; 100-109 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/47/38 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/48 2024-03-17T14:20:16Z jpt:ART

Effectiveness of papaya leaf extract in vitro against Colletotrichum gloeosporioides, the pathogen of the anthracnose disease on red pepper: Effectiveness of papaya leaf extract in vitro against Colletotrichum gloeosporioides, the pathogen of the anthracnose disease on red pepper Efektivitas Ekstrak Daun Pepaya secara Invitro terhadap Colletotrichum gloeosporioides Penyebab Penyakit Antraknosa pada Tanaman Cabai: Effectiveness of papaya leaf extract in vitro against Colletotrichum gloeosporioides, the pathogen of the anthracnose disease on red pepper arneti, Arneti Liswarni, Yenny Edriwilya, Rifa Anthracnose botanical fungicides Capsicum annuum concentration growth inhibitor Papaya leaf (Carica papaya Linnaeus) is one of the sources of botanical fungicides that is known to have an ability in inhibiting Colletotrichum gloeosporioides growth.  The aim of the study was to determine the effectiveness of papaya leaves extract to suppress of C. gloeosporioides growth that caused anthracnose disease of red pepper (Capsicum annuum Linnaeus) in vitro assay. The study was done in a Completely Randomized Design (CRD) with five concentration levels of papaya leaves extract and control (1%, 2%, 3%, 4%, 5%, and control). The parameters were colony growth, colony area, wet weight, dry weight, and conidia number (per ml of suspension). The data obtained were analyzed by ANOVA and LSD tests at 5% significance level. The results showed that the application of papaya leaves extract with different concentrations could suppress the growth of C. gloeosporioides, the pathogen of anthracnose disease in chili. The higher the concentration of papaya leaves extract given, the higher its effectiveness in suppressing the growth of C. gloeosporioides. Application at the 5% concentration was the most effective inhibiting the conidia formation (82.5%), followed by inhibiting the expansion of the colony (64.04%), reducing wet weight (45.16%) and dry weight (54.16%). Keywords: Anthracnose, botanical fungicides, Capsicum annuum, concentration, growth inhibitor Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/48 10.25077/jpt.4.1.1-10.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 1-10 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/48/39 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/49 2024-03-17T14:21:29Z jpt:ART

Predation Rate and Functional Response of Camel Groundbeetle (Ophionea nigrofasciata) on Several Densities of Brown Planthopper (Nilaparvata lugens): Predation Rate and Functional Response of Camel Groundbeetle (Ophionea nigrofasciata) on Several Densities of Brown Planthopper (Nilaparvata lugens) Daya Predasi dan Tanggap Fungsional Kumbang Unta (Ophionea nigrofasciata) pada Beberapa Kepadatan Wereng Batang Coklat (Nilaparvata lugens): Predation Rate and Functional Response of Camel Groundbeetle (Ophionea nigrofasciata) on Several Densities of Brown Planthopper (Nilaparvata lugens) Nasral, Tre Julia Syahrawati, My Liswarni, Yenny Nillaparvata lugens Ophionea nigrofasciata predation predator Camel groundbeetle (Ophionea nigrofasciata Schmidt-Goble 1846) or CGB is reported as one of predators of brown planthopper (Nilaparvata lugens Stal 1854) or BPH. The difference in BPH densities is assumed to affect the predation rate of the CGB. This study aimed to determine the predation rate of CGB on BPH at different densities. This experiment used a completely randomized design (CRD) consisting of six treatments and five replications. The treatment consisted of predation of one CGB at several BPH densities (5, 10, 20, 30, 40, and 50 individuals). BPH used was second-third instar of nymphs, and the CGB used was female. The results showed that the predation rate of CGB increased with increasing BPH density with functional response types classified as type I (Linear). The highest predation occurred at 50 density (23.6 individuals or 47.2% of BPH provided). The difference in density of BPH did not affect the bodyweight gain of CGB and tended to decrease due to different prey-seeking behavior. Keywords: Nillaparvata lugens, Ophionea nigrofasciata, predation, predator   Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/49 10.25077/jpt.4.1.11-20.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 11-20 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/49/42 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/50 2024-03-17T14:22:07Z jpt:ART

Ability of Kabau Fruit Crude Extract (Archidendron microcarpum) in Controlling Crocidolomia pavonana (Lepidoptera: Crambidae: Ability of Kabau Fruit Crude Extract (Archidendron microcarpum) in Controlling Crocidolomia pavonana (Lepidoptera: Crambidae Kemampuan Ekstrak Kulit Buah Kabau (Archidendron microcarpum) dalam Mengendalikan Crocidolomia pavonana (Lepidoptera: Crambidae): Ability of Kabau Fruit Crude Extract (Archidendron microcarpum) in Controlling Crocidolomia pavonana (Lepidoptera: Crambidae Obel, Obel Apriyanto, Dwinardi Pamekas, Tunjung Kabau plant secondary metabolite botanical insecticide Crocidolomi pavonana Crocidolomia pavonana Fabricius is an important pest in the Brassicaceae family that can cause up to 10% -100% yield losses. One of the plants that are considered as potential botanical insecticides is Kabau Plant (Archidendron microcarpum (Benth.). This study was aimed to determine the ability of kabau pell crude extract to control C.pavonana. The study was conducted at Rejang Lebong State Community Academy Campus and Natural Resources Organic Laboratory of Faculty of Mathematics and Natural Sciences, Universitas Andalas, from September 2016 to February 2017. The research was conducted in three stages: filter, bioactivity, and chemical profile examination. The results showed that the kabau peel crude extract was classified as an active insecticide for C.pavonana. At a concentration of 0.5%, kabau peel crude extract caused larval mortality to reach 63.33% in the filter test and 70% in the bioactivity test. The extract consisted of phenolic compounds, saponins, flavonoids, steroids, terpenoids, and alkaloids. Keywords: Kabau plant, secondary metabolite, botanical insecticide,   Crocidolomi pavonana Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/50 10.25077/jpt.4.1.21-28.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 21-28 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/50/41 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/51 2024-03-17T14:22:49Z jpt:ART

Effectivity of Chlorantraniliprole Insecticide against the larva of Spodoptera frugiperda (JE Smith): Effectivity of Chlorantraniliprole Insecticide against the larva of Spodoptera frugiperda (JE Smith) Efektifitas Insektisida Berbahan Aktif Klorantraniliprol terhadap Larva Spodoptera frugiperda (JE Smith): Effectivity of Chlorantraniliprole Insecticide against the larva of Spodoptera frugiperda (JE Smith) Bagariang, Willing Tauruslina, Enie Kulsum, Umi PL, Tri Murniningtyas Suyanto, Hadi Surono, Surono Cahyana, Nanar A Mahmuda, Didah Chlorantraniliprole entomopatogenic fungi fall armywarm Fall armyworm or Spodoptera frugiperda (J.E Smith) is a significant economic pest of maize. S. frugiperda is reported for the first time to attack and damage the corn in Indonesia since 2019. The study was aimed to find the effectivity of chlorantraniliprole to control the larvae of S. frugiperda on maize. The study was divided into two steps, in the laboratory and the field. The laboratory treatment was application of chlorantraniliprole 2 cc/l, Metarhizium anisopliae (10? conidia/ml), and Beauveria bassiana (10? conidia/ml) that applied onto the leaf, larvae, and leaf + larvae with five replications for each treatment. The field test used three treatments i.e., chlorantraniliprole field, farmer field, and control with three replications for each treatment. The research showed that chlorantraniliprole at a dose of 2 cc/l had the highest mortality of S. frugiperda with 100% mortality on average during five days after application. However, the application of M. anisopliae and B. bassiana did not affect the mortality of S. frugiperda for 3 days after application. There was no difference in mortality when chlorantraniliprole applied onto leaf, larvae and leaf + larvae. Application of chlorantraniliprole in the field at a dose of 2 cc/l at 1, 3, and 5 weeks after planting was effective to control S. frugiperda on maize.  Keywords: Chlorantraniliprole, entomopatogenic fungi, fall armywarm Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/51 10.25077/jpt.4.1.29-37.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 29-37 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/51/43 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/52 2024-03-17T14:23:24Z jpt:ART

Time Suitability of Application of Paecilomyces lilacinus in Controlling Root-knot Nematodes (Meloidogyne spp.) on Tomato: Time Suitability of Application of Paecilomyces lilacinus in Controlling Root-knot Nematodes (Meloidogyne spp.) on Tomato KETEPATAN WAKTU APLIKASI Paecilomyces lilacinus DALAM MENGENDALIKAN NEMATODA BENGKAK AKAR (Meloidogyne spp.) PADA TANAMAN TOMAT: Time Suitability of Application of Paecilomyces lilacinus in Controlling Root-knot Nematodes (Meloidogyne spp.) on Tomato Winarto, Winarto Darnetty, Darnetty Liswarni, Yenny Application time Meloidogyne spp. Paecilomyces lilacinus tomato Root-knot nematodes (Meloidogyne spp.) have been reported to be one of the primary pathogens that decreased tomato production in Indonesia. Biological control of root-knot nematodes by using parasitic fungus as like as Paecilomyces lilacinus is still limited. An effective application of parasitic fungi could be successful by managing a suitability application time. The study aimed to determine the suitability of the application time of the P.lilacinus in controlling root-knot nematodes on tomato. The study was conducted in farmers' land that was infected by root-knot nematodes. The experiment was done in a randomized block design with applying P.lilacinus isolates on 12, 8, and 4 days before planting, planting time, and 4, 8, 12 days after planting. All treatments were repeated four times. The application of P. lilacinus onto tomato root at planting time was better at suppressing the development of root-knot nematode compared to applications made before or after planting. P. lilacinus was able to suppress the number of root-knot (66.08%), the number of egg groups (77.33%), the number of eggs (26.79%), and the number of nematodes in the soil (82.20%). Keywords: Application time, Meloidogyne spp., Paecilomyces lilacinus, tomato Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/52 10.25077/jpt.4.1.38-44.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 38-44 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/52/44 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/53 2024-03-17T14:24:42Z jpt:ART

Effect of Storage Time of Mahkota Dewa Leaf Crude Extract (Phaleria macrocarpa) on Mortality of Golden Snail (Pomacea canaliculata): Effect of Storage Time of Mahkota Dewa Leaf Crude Extract (Phaleria macrocarpa) on Mortality of Golden Snail (Pomacea canaliculata) Pengaruh Lama Penyimpanan Ekstrak Kasar Daun Mahkota Dewa (Phaleria macrocarpa) terhadap Mortalitas Keong Mas (Pomacea canaliculata): Effect of Storage Time of Mahkota Dewa Leaf Crude Extract (Phaleria macrocarpa) on Mortality of Golden Snail (Pomacea canaliculata) Rusli, Rusdi Winarto, Winarto Putra, Jogi Aprihan Mahkota dewa golden snail storage time Mahkota dewa [Phaleria macrocarpa (Scheff) Boerl] contains saponin that can be used as a botanical pesticide, including molluscicide. This study aimed to obtain the most effective storage time of leaf crude extract of mahkota dewa on the mortality of golden snail. The application was carried out in the greenhouse of Faculty of Agriculture of Universitas Andalas from March to May 2019. The study used a Randomized Block Design (RBD) consisting of time of storage, i.e., 0 day (2 hours), two days, four days, six days, and eight days those were applied to early-stage, late-stage, male and female of golden snail. The results showed that all storage time of mahkota dewa leaf crude extract had the same effect on early state golden snail mortality. However, at late state golden snail 0 day and two days, storage times were the best. Two days of storage time caused mortality of early-stage, late-stage, and male adult of the golden snail, however, 0 days (2 hours) for female adult. Keywords: Mahkota dewa, golden snail, storage time Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/53 10.25077/jpt.4.1.45-51.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 1 (2020): June 2020; 45-51 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/53/45 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/55 2024-03-17T14:10:50Z jpt:ART

Diversity of Pests and Natural Enemies on the Good Agriculture Practice for Rice Cultivation in Phattalung Province, Thailand: english Bahasa Indonesia: english Wisuda, Nova Laili Wongloom, Prisana Agroecosystem Arthropods organic sustainable agriculture The Good Agriculture Practices (GAP) has been practiced in many countries, including Thailand. This study aimed to examine the GAP system's effect on pest arthropods' diversity and their natural enemies in the early generative period of rice cultivation in Phattalung Province, Thailand. The research was conducted in the rice fields of Pradoo Reang Village, Phattalung Province, Southern Thailand. Sampling was carried out using the selected method with a diagonal separation direction and repeated three times. Diversity, evenness, and dominance of pests and natural enemies were determined using the Shannon Wiener index, Evenness index, and Simpson index. The results showed that the pest population found in lowland rice fields planted with the GAP cultivation system was lower than conventional, but with a higher natural enemy population. Pest arthropods in the GAP cultivation system had a higher diversity index compared to conventional, with moderate pest evenness and similarity indexes. Arthropods that act as natural enemies in the GAP cultivation system had a moderate diversity index, with a higher evenness index than conventional, and a moderate similarity index. The two highest of herbivores were Nephotettix virescens and Leptocorisa oratorius, and the two highest of natural enemies were Verania discolor and Agriocnemis sp.Keywords: Agroecosystem, Arthropods, organic, sustainable agriculture Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/55 10.25077/jpt.4.2.64-72.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 64-72 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/55/46 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/56 2024-03-17T14:19:24Z jpt:ART

The Toxicity of Noni Seeds Extract on Cabbage Crop Caterpillar (Crocidolomia pavonana Fabricius) at the Laboratory: english Bahasa Indonesia: english Hanafi, Naufal Rustam, Rusli Crocidolomia pavonana noni crop botanical insecticide ulat krop insektisida botani Cabbage crop caterpillar (Crocidolomia pavonana Fabricius) is the primary pest on cabbage. This study aimed to know the toxicity of noni seed extract (Morinda citrifolia Linnaeus) against C. pavonana. This study used a completely randomized design (CRD) with five treatments and four replications. The treatments given were the application of noni seed extract in different concentrations; 0, 25 g.l-1, 50 g.l-1, 75 g.l-1and 100 g.l-1. The parameters observed were initial death time, total mortality, daily mortality, lethal time 50, and lethal concentration. The results showed that noni seed extract was able to kill C. pavonana larvae. The higher the extract concentration, the more insects died, and the faster the time of death occurred. The concentration of LC50 was 6.7%, while LC95 was 23.5%. Keywords: Crocidolomia pavonana, noni crop, botanical insecticide Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/56 10.25077/jpt.4.2.99-107.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 99-107 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/56/52 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/61 2024-03-17T14:08:10Z jpt:ART

Exploration of Rhizobacteria as Resistance Induction and Growth Regulator of Cocoa Seedling to Anthracnose: english Bahasa Indonesia: english Putri, Wahyuni Eka Winarto, Winarto Rahma, Haliatur anthracnose Gloeosporium gloeosporioides resistance induction cocoa rizobacteria Anthracnose or leaf fall disease caused by Gloeosporium gloeosporioides is a pathogen that attacks cocoa plants during the nursery phase and production. This study aimed to obtain the best rhizobacteria, which can induce cocoa seeds resistance to anthracnose and increase seedling growth. The study was conducted in a greenhouse, Faculty of Agriculture, Universitas Andalas, in 2019, using a randomized block design with 32 treatments and three replications. The treatments were the different isolates, sourced from Guguak (GK1, GK2, GK3), Akabiluru (AK1, AK2), Lubuk Minturun (LM1, LM2), Tanjung Alai (TA1, TA2, Ta3, TA4, TA5, TA6, TA7, TA8 , TA9, TA10, TA11, TA12, TA13, TA14, TA15, TA16, TA17, TA18), Singkarak (SK1, SK2, SK3, SK4, SK6), and two controls. The results showed that AK2 isolates from Akabiluru could suppress the development of anthracnose and support the growth of cocoa seedlings. The application of AK2 isolates was able to extend the incubation period of G. gloeosporioides, reduce the incidence of disease and the rate of disease infection, and help increase the number of areas and leaf numbers.Keywords: Anthracnose, cocoa seedling, Gloeosporium gloeosporioides, plant induction, Rhizobacteria Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/61 10.25077/jpt.4.2.52-63.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 52-63 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/61/47 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/62 2024-03-17T14:14:28Z jpt:ART

Biology and Life Table of Brown Planthopper (Nilaparvata lugens) on Cisokan and Kahayan Rice Varieties: english Bahasa Indonesia: english Prada, Diego Meihestu Martinius, Martinius Biology brown planthopper Cisokan variety Kahayan variety wereng batang coklat wereng cisokan kahayan Brown planthopper or BPH (Nilaparvata lugens Stal 1854, Hemiptera: Delphacidae) is one of the main pests in rice plant that destructive by sucking on saps.  Difference in rice varieties is predicted to affect the biology and demographic statistics of BPH. The study aimed to determine the biology and demographic statistics of BPH on Cisokan and Kahayan varieties. BPH biology was observed from 10 pairs of BPH per each variety, while demographic statistic was observed from cohort of egg produced by 10 pairs of BPH. The parameters were number of individuals per stadia, life time and life span. Data were processed to obtain biology, survival curve and demographic statistic. The results showed that differences in varieties affected the life time and the number of individuals produced by BPH. The life time of the eggs, 1st – 4th instar of nymphs on Cisokan were shorter than Kahayan, but the 5th instar of nymphs and adult on Cisokan were longer than Kahayan. The number of eggs, nymphs and adults on Cisokan were higher than Kahayan. Both the survival curves on Cisokan and Kahayan were included as type 1. Keywords:  Biology, brown planthopper, Cisokan variety, Kahayan variety Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/62 10.25077/jpt.4.2.73-81.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 73-81 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/62/48 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/63 2024-03-17T14:17:35Z jpt:ART

Resistance Rate of Brown Planthopper (Nilaparvata lugens) from Payakumbuh against BPMC Insecticide: english Bahasa Indonesia: english Syahdia, Elfitri Syahrawati, My Brown planthopper resistance BPMC mortality lethal concentration Misuse and overuse of insecticides by farmers in controlling the brown planthopper or BPH (Nilaparvata lugens), such as over-spraying, over-doses, and mixing more than two insecticides in one  application, caused many environmental problems, including resistance. This study aimed to measure the resistance rate of BPH from Payakumbuh Sub-district, West Sumatera Province against BPMC (buthylphenylmethyl carbamate) insecticide. This study used a complete randomized design that consisted of 5 treatments and 5 replications. The treatment was carried out at different concentrations: 0.5 recommended concentration (0.5 ml/l), 1 recommended concentration (1 ml/l), 1.5 recommended concentration (1.5 ml/l), 2 recommended concentration (2 ml/l) and control (without insecticide). The results showed that the higher dose of insecticide, the higher mortality of BPH nymphs. The number of nymphs that succeed to becoming adult decreased when the dosage of insecticide used was increasing. Based on the resistance ratio, the BPH from Payakumbuh is still susceptible to BPMC insecticide. The LC 50 and LC 95 were 0.97 and 2.09 ml on the first day after the application. Keywords: Brown planthopper, resistance, BPMC, mortality, lethal concentration Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/63 10.25077/jpt.4.2.82-90.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 82-90 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/63/49 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/64 2024-03-17T14:18:27Z jpt:ART

The Effect of Dishwashing Detergent on Crop Caterpillar, Crocidolomia pavonana Fabricius (Lepidoptera: Crambidae): english Bahasa Indonesia: english Ricar, Wahyu Yunisman, Yunisman Darnetty, Darnetty Crop caterpillar detergent soap insecticide sustainable ulat krop crocidolomia pavonana Controlling Crocidolomia pavonana using an insecticide derived from dishwashing detergents is economical and environmentally friendly. This research was conducted at the Laboratory of Insect Bioecology, Faculty of Agriculture, Andalas University, from November 2019 to March 2020. This study aimed to determine the effect of dishwashing detergent on C. pavonana crop caterpillars. The design used was a completely randomized design (CRD) consisting of 6 treatments and four replications. The treatment given was the application of dishwashing detergent with different concentrations, namely: 0, 0.25%, 0.5%, 1%, 2%, and 4%. The results showed that dishwashing detergent could be used as an alternative insecticide in controlling C. pavonana larvae because it can cause death and give antifeedant effect, but it did not reach the stage of inhibiting larval development. The difference in concentration did not affect the difference in larval mortality. Dishwashing detergent provided a relatively weak antifeedant effect. The higher the concentration, the higher the antifeedant effect. The inhibition of larval development occurred fluctuatively without any particular tendency. Keywords: Crop caterpillar, detergent, soap insecticide, sustainable Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2020-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/64 10.25077/jpt.4.2.91-98.2020 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 4 No. 2 (2020): December 2020; 91-98 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/64/51 Copyright (c) 2020 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/65 2024-03-17T14:03:00Z jpt:ART

Density and Attack Rate of Snails on Some Cabbage Plants (Brassicaceae) in Marapi Mount of West Sumatera Rusli, Rusdi Habazar, Trimurti Gitri, Wanda Aningsih Slug attack level species and population density Bradybaena similaris Parmarion sp. During the last three years, several snails as pests that attacked vegetables, especially cabbages (Brassicaceae) in the highland vegetable crop center of Mount Marapi, were found to cause damage. This study aimed to obtain the species, population, and attack rate of snails pests on the cabbage plants. The study was conducted using a survey method with purposive sampling conducted from July to September 2019 with the criteria of observing plants two weeks after planting and determining the sample diagonally. The results showed that cabbage plants in Mount Marapi, Agam Regency, were attacked by two snails, namely Bradybaena similaris and Parmarion sp. The population of B. similaris was higher than that of Parmarion sp. Mustard plants are most at risk of being attacked by snails, with the highest percentage and intensity of attack even though the damage category is classified as moderate. Mustard plants are also among the first time to be attacked by snails. Cultivation techniques affect the density and attack rate of pest snails at the research site. Key words: Slug attack level, species and population density, Bradybaena similaris, Parmarion sp. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/65 10.25077/jpt.5.1.46-54.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 46-54 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/65/59 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/68 2024-03-17T13:59:10Z jpt:ART

The Experiment of Dosage Basil Leaf Oil Ocimum basilicum Linnaeus as an Attractant against Bactrocera sp. on Chili Plant Mefta, Fitriah Sucindra Fauzana, Hafiz Attractant basil leaf oil Bactrocera spp Capsicum annuum doses Ocimum basilicum Fruit flies, Bactrocera spp., are the primary pests on chili plants (Capsicum annuum Linnaeus). A safe and effective control uses traps combined with an attractant from basil leaf oil (Ocimum basilicum Linnaeus). This study aimed to determine the attractiveness of basil leaf oil against fruit flies at several different doses. This research was carried out in Organic Chemistry Laboratory STIFARM Padang, in Tabek Patah Tanah Datar area West Sumatra, and in the Pest Disease Observation and Development of Biological Agents Laboratory, Bukittinggi, West Sumatra, from June to August 2020. The treatment was in the form of different doses of basil leaf oil, which was 0,5 ml per trap, 1.0 ml per trap, 1.5 ml per trap, 2.0 ml per trap, and 2.5 ml per trap. The experiment used a completely randomized design with five treatments and three replications. This study found two species of fruit flies around chili plants, namely Bactrocera papayae and Bactrocera carambolae, which were dominated by male B. papayae. The traps containing 1.5 ml of basil leaf oil attracted the most fruit flies. Temperature and humidity significantly affect the abundance of individual fruit flies. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion articles application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/68 10.25077/jpt.5.1.12-23.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 12-23 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/68/53 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/69 2024-03-17T13:25:03Z jpt:ART

Exploration of Fungi Associated with Branch Dieback Disease on Cocoa in Padang City Nurbailis, Nurbailis Yulisyah, Rummah Nelly, Novri Botryodiplodia theobromae cacao dead twigs fussarium Oncobasidium theobromae Branch dieback is one of the primary diseases in cacao plants. The disease affects young shoots and twigs, causes leaves to die, and leaves them bare, interfering with photosynthesis. This study aimed to determine the causative pathogens in Padang City. The locations were: Sungai Sarik Kuranji, Lubuk Minturun Koto Tangah, and Teluk Kabung Bungus. The locations have the following criteria: age ? three years, the number of plants at the location ? 50 individuals, and found symptoms of branch dieback. The research used descriptive methods. The sample represented 10% of the total number of plants at the location, was collected randomly. The results found four species of fungi associated with the disease, namely Oncobasidium theobromae, Botrydiplodia theobromae, Fusarium decemcellulare, and Fusarium sp1. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion article application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/69 10.25077/jpt.5.1.1-11.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 1-11 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/69/54 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/70 2025-03-21T14:19:48Z jpt:ART

Pathogenicity and Detection of Phytohormone (Gibberellic Acid and Indole Acetic Acid) Produced by Fusarium spp. that Causes Twisted Disease in Shallot Lestiyani, Ayu Wibowo, Arif Subandiyah, Siti F. oxysporum F. solani F. acutatum GA3 IAA Twisted Disease of shallot Thin Layer Chromatography The twisted disease is one of the essential diseases in shallots caused by Fusarium spp. This study aimed to study pathogenicity and identify Fusarium species isolated from shallot plants with twisted symptoms in Nganjuk and Bantul areas. The Fusarium isolates were identified and then tested for pathogenicity levels and the effect of the hormones GA3 and IAA on shallot symptoms. Molecular identification using NF2 and NF4 successfully identified one isolate of Fusarium oxysporum, three isolates of F. acutatum, and three isolates of F. solani. Each of these species produces different symptoms. Pathogenicity test showed that all isolates had disease incidence reaching 100%, except isolates of F. solani1 causing wilt and F. solani3 causing twisted have the lower disease incidence were 77.8% and 77.7%, respectively. The investigation caused twisted shallot related to different symptoms was tested using the Thin Layer Chromatography (TLC) method. The result indicates that all isolates did not find IAA hormone. In contrast, the hormone GA3 was found in F. solani2 and F. solani3 isolates, caused bulb rot and twisted disease, respectively. Detection of IAA, GA3, and other hormones in shallot plants showed different symptoms should be studied further. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/70 10.25077/jpt.5.1.24-33.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 24-33 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/70/55 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/71 2024-03-17T13:55:10Z jpt:ART

Activity of Castor Bean Leaves Extract (Ricinus Communis Linnaeus) to Development of Nematode Meloidogyne Spp. on Tomato Plant (Lycopersicum esculentum Miller) Oktavia, Elisa Winarto, Winarto Sulyanti, Eri Meloidogyne spp Ricinus communis L root-knot, tomato Meloidogyne spp. is one of the nematodes that cause root-knot on tomato plants. The botanical nematicide that potentially suppresses the nematode is castor bean leaves (Ricinus communis Linnaeus) extract. This research aimed to get the lethal concentration (LC50 and LC95) of castor bean leaves extract against nematode larvae in-vitro and their effect on the development of root-knot nematode (Meloidogyne spp.) in-planta on tomato plant. The research was carried out in Plant Pest and Disease Laboratory and Greenhouse of Agriculture Faculty, Universitas Andalas, using a completely randomized design (CRD) with two stages; in-vitro and in-planta. The research was used the experiment method in-vitro testing consists of six treatments and five replications, and in-planta testing consists of three treatments and nine replications. The result showed that the application of castor bean leaves extracts invitro can suppress Meloidogyne spp. larvae with LC50 by 0,27% and LC95 by 0,87%. The application of castor bean leaves extract in-planta with treatment concentration 2xLC95 (1,74%) showed effectiveness by 74,69% against the developments of Meloidogyne spp. on tomato plant roots. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion article application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/71 10.25077/jpt.5.1.34-45.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 34-45 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/71/58 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/72 2024-03-17T14:04:46Z jpt:ART

Attack Level of Brown Planthopper Nilaparvata lugens Stal (Hemiptera: Delphacidae) on Varieties of Rice from Pasaman in Greenhouse Zulaikha, Eva Arneti, Arneti Busniah, Munzir Attack percentage attack intensity local rice planthopper Brown planthopper (BPH) is a major pest on rice plants that can cause hopperburn and crop failure. The study aimed to determine the level of BPH attack on several local rice varieties in the Pasaman Regency. This research was conducted in a greenhouse, Faculty of Agriculture, Universitas Andalas, using a completely randomized design (CRD), with five treatments and five replications. The treatments were four different rice varieties from Pasaman and control (Siganteng, Pulau Batu, Mundam Kuning, Mundam Putih, IR 42). BPH was infested when the rice was five days after sowing. Observation parameters were the percentage and the intensity of the attacks. Observations were done until 15 days after infestation; after the IR 42 variety died 90%. The results showed that the attack rate of BPH on rice varieties from Pasaman was moderate. The lowest percentage of attack occurred in the Mundam Putih variety (94%), while the intensity of the attack was not significantly different from other varieties. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-07-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/72 10.25077/jpt.5.1.55-59.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 1 (2021): June 2021; 55-59 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/72/57 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/75 2024-03-17T13:28:52Z jpt:ART

In-Planta Assay of Culture Filtrate Concentration of Trichoderma viride PP2 as Biocontrol Agent Against Colletotrichum gloeosporioides in Red Chili Pepper Cabai (Capsicum annuum Linnaeus) Lannur, Gefi Zulmiati Liswarni, Yenni Martinius, Martinius Anthracnose concentration filtrate secondary metabolite The culture filtrate is a secondary metabolite produced from the multiplication of fungi in a liquid medium during the incubation period, separated between the fungal cell and their supernatants. Trichoderma viride culture filtrate testing has been widely carried out and used as a biocontrol agent. This study aimed to determine the ability of Trichoderma viride PP2 culture filtrate concentration in suppressing anthracnose disease caused by C. gloeosporioides on the red chili pepper. The study was conducted with a randomized block design (RBD) consisting of 5 treatments and five replications. The treatments were the concentration of T. viride PP2 culture filtrate, i.e., 0% (control), 25%, 50%, 75% and 100%. Parameters observed were incubation period, percentage of infected, and infected intensity. The results showed that the application of filtrate of T. viride isolate PP2 with different concentrations has not been able to suppress the development of anthracnose disease caused by C. gloeosporioides in-planta. It is necessary to conduct further research on the effect of temperature and time application on suppressing the filtrate of T. viride isolate PP2. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/75 10.25077/jpt.5.2.69-76.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 69-76 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/75/61 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/76 2024-03-17T13:26:51Z jpt:ART

The Potency of Refugia Plants in Increasing Insect Diversity of Rice Fields in Padang Pariaman, West Sumatra Nawir, Widya Nelly, Novri Yaherwandi, Yaherwandi Agroecosystem diversity predators parasitoids refugia Some flowering plants like common zinnia (Zinnia elegans (Jacq) Kuntze), marigold (Tagetes erecta Linnaeus), and cockscomb flowers (Celosia sp.) have been used as refugia and conservation plants for predators and parasitoids but are still not yet optimal. Planting refugia plants can affect insect diversity and evenness index, affecting the stability and balance of the agroecosystem. The study aimed to determine the effect of common zinnia, cockscomb flowers, and marigold as refugia on insects’ diversity and evenness index and their potential as a medium for conservation of predators and parasitoids. The study was conducted in organic rice fields in Batang Anai Sub-district, Padang Pariaman District, West Sumatra, from May to July 2020. The Insect was collected from plots covering an area of ??48 m2 and identified in the Bioecology laboratory, Faculty of Agriculture, Universitas Andalas. Planting common zinnia, marigolds, and cockscomb flowers increased the index of diversity and evenness of insects around rice fields. The index of diversity and evenness of insects on cockscomb flowers (H = 2.90) was higher than that of common zinnia (H = 2.61) and marigold (H = 2.63). Cockscomb flowers have more potential as a medium for conserving predators and parasitoids.     Utilization of bunga kertas (Zinnia elegans), jengger ayam (Celosia sp.), and marigold (Marigold erecta) as refugia plants and conservation media for predators and parasitoids among farmers is still not optimal. Planting refugia plants around rice plants affects the diversity and evenness index. Insect diversity and evenness index describes the level of stability and balance of the cropping ecosystem. This study was conducted to determine the effect of planting Zinnia elegans, Celosia sp., and Marigold erecta as refugia on the diversity and evenness index of insects and their potential as a medium for the conservation of predators and parasitoids. in the expanse of organic rice fields in Batang Anai sub-district, Padang Pariaman district, West Sumatra from May to July 2020. Insect collection was carried out in treatment plots covering an area of ??48 m2 and identified in the Bioecology Laboratory, Faculty of Agriculture, Unand in Padang. The types and populations of insects in rice planted with refugia plants, especially Celosia sp., were higher than those of Zinnia elegans, Marigold erecta and control. Celosia sp plants have a higher index of insect diversity and evenness than Zinnia elegans, Marigold erecta plants. The ratio or comparison of pest populations, predators and parasitoids on Celosia sp plants was lower than that of Zinnia elegans, Marigold erecta dan control plants.   Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/76 10.25077/jpt.5.2.60-68.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 60-68 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/76/60 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/77 2024-03-17T13:36:34Z jpt:ART

Accuracy and Prediction of Hopperburn by Brown Planthopper (Nilaparvata Lugens Stal) with Sentinel-2 Images Gunawan, Rahmad Reflinaldon, Reflinaldon Yaherwandi, Yaherwandi Hopperburn NDVI prediction remote sensing Sentinel-2 Forecasting of brown planthopper attack or BPH (Nilaparvata lugens Stal) using artificial intelligence and vegetation index of Sentinel-2 Satellite Imagery improves forecasting the incidence of hopperburn. This study aimed to determine the accuracy and correlation of the random forest classification of Sentinel-2 imagery to the incidence of hopperburn reported by Plant Pest Organisms Observer (PPOO) and determine the best method for predicting it. The study was done through observation and secondary data processing about the age of the plant, the incidence of hopperburn by BPH, interviews with farmers, and PPOO. The results showed that the hopperburn NDVI index ranged from 0.23 - 3.8. The random forest classification accuracy was high (Kappa Index = 0.82). The relationship between the hopperburn area from the PPOO report and the predicted area from Sentinel-2 images classified as (R2 = 0.53, R = 0.728) with the equation Y = -1.5 + 0.82 X. The correlation can be improved using spatial regression Geographically Weighted Regression (GWR4) with the best gaussian distance of 1.76 km (R2 = 0.6, R = 0.77). The best prediction for the NDVI stage of hopperburn attack time series with random forest (RMSE = 0.12819) was better than the prediction of the hopperburn attack time series with the exponential smoothing method from the PPOO report (RMSE 3.302184). Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-01-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/77 10.25077/jpt.5.2.107-117.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 107-117 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/77/66 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/80 2024-03-17T13:34:11Z jpt:ART

Efficacy of Neem Leaf and Seed Powder in Teabag to Control Sitophilus oryzae on Rice Aflah, Nurul Afriana, Hafidhah Husni, Husni Chamzurni, Tjut Jauharlina, J Antifeedant botanical pesticides Curculionidae repellent storage pest Neem  (Azadirachta indica Juss) powder is often used as a botanical insecticide  which is applied directly to stored rice to control the rice beetle (Sitophilus oryzae), however this method may cause contamination on the stored rice. This study aimed to determine the effectiveness of neem leaf  and  seed powder in teabag packaging in controlling S. oryzae. The study used a completely randomized design with a factorial pattern consisting of 2 treatment factors. The first factor was the type of neem powder (without powder, leaf powder, and seed powder), and the second factor was the application technique (direct sow and in teabag packaging). The results showed that the type of neem powder and its application technique on rice interacted significantly in causing mortality of S. oryzae at 2 - 3 days after treatment (DAT) and was very significant at observations of 4-7 DAT. Applying leaf and seed powder in teabag packaging can provide higher yields than direct sowing. At 7 DAT, the highest mortality of S. oryzae occurred in the treatment of neem seed powder with direct sow application technique (57.50%), the mortality was lower in tea packaging (33.33%). The application of neem powder in teabag packaging caused a higher number of the adult of the first offspring of S. oryzae and the damage to rice. The application of leaf and seed powder of neem in teabag packaging does not cause contamination of rice, so it is safer for consumers. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/80 10.25077/jpt.5.2.98-106.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 98-106 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/80/64 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/81 2024-03-17T13:52:24Z jpt:ART

Effect of Induced Plant Expression on Ants and Extrafloral Nectaries Number in Cotton and Castor: English Thiyagarajan, Nalini Mani, Revathi Herbivore induction artificial induction ants extrafloral nectaries Plant response to the attack of herbivores is a usual phenomenon, but the number of extrafloral nectaries (EFNs) in response to herbivore attack is least studied and recorded. The current study was undertaken to document the response of cotton (Gossypium hirsu-tum Linnaeus) and castor (Ricinus communis Linnaeus) to herbivore and artificial induction. This field research was carried out experimentally on cotton and castor in two study models. The first study was the presence of ants on plants induced by herbivore (with herbivore, without herbivore) and the number of EFNs produced by each plant. The second study was the presence of ants on artificially induced plants (damaged leaves, undamaged leaves) and the number of EFNs produced by each plant. The results revealed that EFNs numbers in cotton and castor were increased by herbivore and artificial inductions, which also induced the number of ant recruitment events in cotton and castor. Artificial induction techniques can be utilized in pest management programs to attract and conserve plant guards, viz., biocontrol agents, including ants in the field. EFN is a cheap resource in quickly and effectively maintaining consistent population levels of biocontrol agents within the crops, even during pest-free times.  Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/81 10.25077/jpt.5.2.89-97.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 89-97 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/81/63 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/82 2024-03-17T13:31:02Z jpt:ART

Dual Infection of Pepper Yellow Leaf Curl Virus and Chilli Veinal Mottle Virus in Causing the Yellow leaf Curl Disease on Chili Trisno, Jumsu Jamsari, Jamsari Hidayat, Sri Hendrastuti Interaction ChiVMV PYLCV Pepper yellow leaf curl diseases Yellow leaf curl disease is the primary disease in chili plants with up to 100% losses. Detection from the field showed a mixed infection between Geminivirus or Pepper Yellow Leaf Curl Virus (PYLCV) and several viruses, including Chilli Veinal Mottle Virus (ChiVMV) and Cucumber mosaic Virus (CMV). Therefore, this study aimed to determine the role of PYLCV and ChiVMV dual infection in influencing the development of chili yellow leaf curl disease. This study used a completely randomized design (CRD) with six treatments and ten replications. The treatments used were multiple Geminiviruses and ChiVMV infections simultaneously, before ChiVMV co-infection, after Geminivirus infection, single infection and whithout infection viruses. The results showed that the presence of ChiVMV infection before, after, and concurrently with Geminiviruses infection could increase the yellow leaf curl disease intensity and reduce plant height and wet weight growth. The mean scale value of ChiVMV infection before, after, and concurrently with Geminiviruses infection were 3.38, 3.90 and 3.58 compared to single Geminiviruses infection (scale of 3.20) and single ChiVMV (scale of 1.33). The interaction analysis of ChiVMV and geminiviruses infections based on the percentage reduction in plant growth height and wet weight showed additive interaction. ChiVMV co-infection further exacerbated the incidence of yellow leaf curl diseases in chilies. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2021-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/82 10.25077/jpt.5.2.77-88.2021 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 5 No. 2 (2021): December 2021; 77-88 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/82/62 Copyright (c) 2021 JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)

oai:ojs.pkp.sfu.ca:article/83 2024-03-14T20:17:28Z jpt:ART

The Ability of Several Biological Agents to Induce Resistance of Rice from Pyricularia oryzae Attacks In Vitro and In Vivo: Kemampuan Beberapa Agens Hayati dalam Menginduksi Ketahanan Tanaman Padi dari Serangan Pyricularia oryzae secara In Vivo dan In Vitro Lestari, Shyntiya Ayu Ramdan, Evan Purnama Risnawati, Risnawati Pribadi, Edi Minjai Biological agents, disease severity, plant growth promoting Rice (Oryza sativa Linnaeus) is the main food crop that is needed daily for the majority of Indonesian people. One of the diseases that increase rice production is the attack of pests and other diseases caused by Pyricularia oryzae. Biological agents are an alternative to control this disease. Therefore, the aim of this study was to determine the effectiveness of the induction of rice plant resistance using several biological agents against blast disease. The study was carried out in 2 stages, the first in vivo using a Randomized Block Design consisting of 4 biological agent treatments, namely Trichoderma sp., Bacillus subtilis, Pseudomonas fluorescens and sterile Aquades (control) which was repeated 6 times with each replication consisted of 3 plant samples so that the total number of samples observed was 72 plant samples. The second stage was carried out in vitro by inoculating P. oryzae on 3 pieces of rice plant leaves as a result of in vivo experiments. The design used was a completely randomized design with 4 agent treatments which were repeated 6 times. The results showed that the induction of rice plant resistance with P. fluorescens was able to reduce the severity of disease caused by P. oryzae attack (72.22%), with a decrease in efficacy of 25.48%, and the lowest AUDPC (691.66). In general, the resistance induction did not affect rice growth, but Trichoderma sp and P. fluorescens were able to increase the grain weight produced (3.11 and 2.80 g per plant, respectively). Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/83 10.25077/jpt.6.1.1-12.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 1-12 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/83/68 Copyright (c) 2022 Evan Purnama Ramdan, Shyntiya Ayu Lestari, Risnawati Risnawati, Edi Minjai Pribadi

oai:ojs.pkp.sfu.ca:article/84 2024-03-14T20:17:28Z jpt:ART

Antagonism of Endophytic Bacteria and the Consortium Against Culvularia oryzae Bugnic: Kemampuan Antagonis Bakteri Endofit dan Konsorsiumnya terhadap Pertumbuhan Jamur Culvularia oryzae Bugnic Resti, Zurai Martinius, Martinius Liswarni, Yenny Antagonistic, Bacillus, dual plate method, Serratia Endophytic bacteria have several advantages, including controlling plant pathogens and increasing plant growth. As a biological control, endophytic bacteria can suppress the development of plant pathogenic fungi. This study aimed to obtain endophytic bacteria and the consortium of endophytic bacteria that can inhibit the growth of C. oryzae. The study used a Completely Randomized Design (CRD) for studying the ability of endophytic bacteria using eight isolates: Bacillus sp HI, Bacillus sp SJI, B. cereus P14, B. cereus Se07, Serratia marcescens strain JB1E2, S. marces-cens strain JB3, S. marcescens strain ULG1E2 and S. marcescens strain ULG1E4, with three replications. For Studying the ability of endophytic bacteria consortium using six endophytic bacteria consortia and control with three replications. Observations were made on the inhibition growth of C. oryzae. The results showed that all endophytic bacteria and the endophytic bacteria consortium could inhibit C. oryzae, with inhibition of 58.50% – 75.00% and 38.00% – 77.00%. Endophytic bacteria which can significantly suppress the growth of C. oryzae were B. cereus Se07, Bacillus sp HI and Bacillus sp SJI with inhibition of 75.00%, 70.50%, and 70.00%. The endophytic bacteria consortium that had a high ability to suppress the growth of C. oryzae was the consortium of B (S. marcescens strain ULG1E4, S. marcescens strain JB1E3), D (Bacillus sp SJI, Bacillus sp HI, S. marcescenns JB1E3), and G (Bacillus sp SJI, S. marcescens strain ULG1E4), with inhibition of 77.00%, 72.33%, and 71.33%, respectively. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-06-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/84 10.25077/jpt.6.1.34-42.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 35-43 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/84/73 Copyright (c) 2022 Zurai Resti, Martinius Martinius, Yenny Liswarni

oai:ojs.pkp.sfu.ca:article/86 2024-03-14T20:17:28Z jpt:ART

Antagonism of Indigenous Fungi Collected from the Bamboo Clump against Fusarium sp., the Cause of Fusarium Wilt Disease in Garlic: Daya Antagonis Jamur Indigenus dari Rumpun Bambu terhadap Fusarium sp., Penyebab Layu Fusarium pada Bawang Putih Lestiyani, Ayu Fauziah, Lia Sugiyarto, Sugiyarto Allium sativum, antagonist, biological control, identification Indigenous fungi can be found around bamboo clumps. This study aimed to identify indigenous fungi isolated from the bamboo clump as biological control agents against pathogenic fungi of Fusarium sp. in garlic. The study was conducted from June to September 2021 at the Laboratory of Pest and Disease Observation, Temanggung Regency, Central Java, Indonesia. The current research design involved the following three steps, (1) Isolation and identification of the pathogenic fungi of Fusarium sp. in garlic, (2) Isolation and identification of indigenous fungi collected from the bamboo clump, and (3) Antagonism test of indigenous fungi isolated from the bamboo clump against Fusarium sp. in-vitro. The results showed that ten species were successfully identified, and five species had the potential as biological control agents against Fusarium sp. in garlic;  Penicillium sp., Mucor sp., Aspergillus sp1, Aspergillus sp2, and Tricho-derma sp. Trichoderma sp. revealed the highest antagonism (66.71%), while Penicillium sp. revealed the lowest antagonism (32.925%) against Fusarium sp. Based on their antagonistic potential, Trichoderma sp. showed the highest ability to suppress Fusarium sp. (66.71%), while the lowest one was Penicillium sp. (32.92%). Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-06-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/86 10.25077/jpt.6.1.12-24.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 13-25 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/86/69 Copyright (c) 2022 Ayu Lestiyani

oai:ojs.pkp.sfu.ca:article/89 2025-03-21T14:16:24Z jpt:ART

Identification and Phylogenetic Tree Determination of Spodoptera frugiperda from Java Based on MtDNA COI Sequence Analysis Identifikasi dan Penentuan Pohon Filogenetik Spodoptera frugiperda Asal Jawa Berdasarkan Analisis Sekuen MtDNA COI Widarti, Ani Tauruslina, Enie Faridah, Idah Bagariang, Willing Suyanto, Hadi Mahmudah, Didah Susanti, Rista Maryana, Rosalia Carwika, Carwika cytochrome oxidase I (COI), fall armyworm, PCR, Pulau Jawa Fall armyworm Java Island Mitokhondria Cytochrome oxidase I PCR Molecular confirmation of the existence of Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) on Java Island has not been widely reported. This study aimed to identify the armyworm from Java Island molecularly based on DNA mitochondrial cytochrome oxidase I (MtDNA COI). There were six armyworms collected from West Java Province (Cirebon - JWB1, Garut - JWB2), Central Java Province (Wonogiri - JWTH), East Java Province (Gresik - JWTR), DI Yogyakarta Province (Bantul - DIY), and Banten Province (Serang - BNT). The results showed that the fall armyworm originating from Java was verified as Spodoptera frugiperda. There were species variations between them, which had species similarity between regions and countries, namely the species similarity of S. frugiperda Java and West Sumatra, as well as to China, Korea, and India. S. frugiperda from Central Java (JWTH), Banten (BNT), West Java 1 (JWB1), and Yogyakarta (DIY) had species similarity to S. frugiperda from Solok (No. Acc. MW876212.1), West Pasaman (No. Acc. MW876211.1), China (No.Acc. MK591010.1) and Korea (No.Acc. MN427930.1). Meanwhile, S. frugiperda West Java (JWB2) and East Java had species similarity to S. frugiperda from India (No. Acc. MT732476.1), Padang Pariaman (No. Acc. MW876208.1), and Tanah Datar (No. Acc. MW876210.1). Konfirmasi molekuler keberadaan Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) di Pulau Jawa masih terbatas. Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis hubungan filogenetik S. frugiperda dari Jawa menggunakan sekuens DNA mitokondria cytochrome oxidase I (MtDNA COI). Sebanyak enam sampel ulat tentara dikoleksi dari berbagai lokasi di Jawa: Cirebon (JWB1) dan Garut (JWB2) di Jawa Barat, Wonogiri (JWTH) di Jawa Tengah, Gresik (JWTR) di Jawa Timur, Bantul (DIY) di DI Yogyakarta, dan Serang (BNT) di Banten. Hasil penelitian mengonfirmasi bahwa ulat tentara dari Jawa merupakan S. frugiperda. Analisis filogenetik menunjukkan variasi genetik antar populasi, dengan hubungan dekat dengan spesies dari Sumatera Barat, Tiongkok, Korea, dan India. S. frugiperda dari JWTH, BNT, JWB1, dan DIY memiliki kesamaan dengan yang berasal dari Solok (MW876212.1), Pasaman Barat (MW876211.1), Tiongkok (MK591010.1), dan Korea (MN427930.1). Sementara itu, JWB2 dan JWTR memiliki kesamaan dengan spesies dari India (MT732476.1), Padang Pariaman (MW876208.1), dan Tanah Datar (MW876210.1). Studi ini menekankan pentingnya surveilans molekuler dalam memantau keragaman genetik dan penyebaran S. frugiperda di Indonesia. Temuan ini berimplikasi pada strategi pengelolaan hama dan langkah biosekuriti untuk mencegah dampak lebih lanjut terhadap pertanian di Indonesia. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-06-29 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/89 10.25077/jpt.6.1.43-52.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 44-53 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/89/72 Copyright (c) 2022 Ani Widarti, Enie Tauruslina, Idah Faridah, Willing Bagariang, Hadi Suyanto, Didah Mahmudah, Carwika Carwika http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/90 2024-03-14T20:17:28Z jpt:ART

The Effectiveness of Ginger Rhizome Extract to Inhibit the Growth of Sclerotium rolfsii in Peanut In-vitro: Potensi Ekstrak Rimpang Jahe dalam Menghambat Pertumbuhan Sclerotium rolfsii pada Kacang Tanah secara In Vitro Syafitri, Syafitri Sulyanti, Eri Arneti, Arneti Swandi, Fradilla Botanical fungicide, concentration, ginger, Sclerotium rolfsii, stem rot Sclerotium rolfsii is a fungus that causes stem rot disease in peanuts which causes losses of up to 59%. One technique of controlling the S. rolfsii is using a botanical fungicide, such as ginger (Zingiber officinale Rosc.) rhizome extract. This study aimed to determine the proper concentration of ginger rhizome extract to control S.rolfsii, the causes of stem rot, and damping-off diseases in peanut in-vitro. This study used a completely randomized design with five treatments and five replications. The treatments were arranged in the concentration of 0, 4%, 6%, 8%, and 10% by in-vitro. The data were analyzed using ANOVA, followed by an LSD of 5%. The results showed that ginger rhizome extract could suppress the growth of S. rolfsii, which causes stem rot disease in peanut plants. Ginger rhizome extract reduced the thickness of the colonies, suppressed colony expansion, reduced the wet and dry weight of the colonies, slowed the appearance of Sclerotia, and reduced the number of Sclerotia formed. The higher concentration, the higher the emphasis on S. rolfsii. Ginger rhizome extract at a concentration of 10% can inhibit colony growth by 81.63%, inhibit the formation of sclerotia by 100%, reduce the wet weight of the colony to 66.88% and the dry weight of the colony to 44.11% and inhibit the formation of Sclerotia reaching 100%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/90 10.25077/jpt.6.1.54-63.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 54-63 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/90/75 Copyright (c) 2022 Eri Sulyanti

oai:ojs.pkp.sfu.ca:article/91 2024-03-14T20:17:28Z jpt:ART

Effectivity of Mangkokan Leaf Extract (Nothopanax scutellarium Merr) with Different Treatments to Control Golden Snail (Pomacea canaliculata Lamarck): Efektivitas Ekstrak Daun Mangkokan (Nothopanax scutellarium Merr) dengan Pemrosesan Berbeda untuk Pengendalian Keong Mas (Pomacea canaliculata Lamarck) Rusli, Rusdi Sari, Imelda Busniah, Munzir Fresh, golden snail, preparation, processing, oven-dried Mangkokan leaves (Nothopanax scutellarium Merr) have been used to control golden snail (Pomacea canaliculata Lamarck) in several preparations. This research aimed to study the most effective preparation of the mangkokan leaf extract to control the golden snail. The research was conducted in the Insect Bioecology Laboratory and agriculture field in Batu Busuak Village, Pauh District, Padang City, from March to April 2021. This study used a Completely Randomized Design (CRD) consisting of five treatments and five replications. The treatments were several preparations of mangkokan leaves with a concentration of 5 g/l: control, fresh, boiled, sun-dried, and oven-dried. The observed variables were mortality of the golden snail, the weight of feed consumed, and the decrease in the eating activity of the golden snail. The result showed that botanical molluscicide from mangkokan leaves preparation by oven-dried and fresh were the two most effective in controlling the golden snail because they caused 100 % mortality of the golden snail, reduced the feed number consumed, with decreasing in feeding activity of 54.91% and 52.94%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-06-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/91 10.25077/jpt.6.1.25-33.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 1 (2022): June 2022; 26-34 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/91/71 Copyright (c) 2022 Rusdi Rusli, Imelda Sari, Munzir Busniah

oai:ojs.pkp.sfu.ca:article/93 2024-03-14T20:18:01Z jpt:ART

Post-harvest Fungal Infection in Arabica Coffee Beans (Coffea arabica Linnaeus) in the Coffee Center of West Sumatra Province, Indonesia: Infeksi Jamur Pascapanen pada Biji Kopi Arabika (Coffea arabica Linnaeus) di Daerah Sentra Kopi Arabika, Provinsi Sumatera Barat, Indonesia English: Infeksi Jamur Pascapanen pada Biji Kopi Arabika (Coffea arabica Linnaeus) di Daerah Sentra Kopi Arabika, Provinsi Sumatera Barat, Indonesia Martinius, Martinius Fauzi, Aziz Resti, Zurai Attack, Aspergillus niger, Aspergillus flavus, Aspergillus ochraceus, storage Post-harvest fungi attacks in storage can reduce the quality of Arabica coffee. The study aimed to determine the level of infection and types of post-harvest fungi in Arabica coffee beans and their quality. The research was carried out at the Phytopathology Laboratory of Plant Pests and Diseases Department and the Seed Technology Laboratory of Agronomy Department, Agriculture Faculty, Universitas Andalas, Padang, from June to August 2021. The infection level of post-harvest fungi was detected using the blotter method. Physical quality was determined based on the percentage of defects, and the quality of the coffee beans was classified according to the Indonesian National Standard (SNI). The samples were taken from three collectors in each of the three central districts of Arabica coffee, West Sumatera province (Solok Selatan, Pesisir Selatan, Lima Puluh Kota) and one sample from Solok Radjo Cooperative as a comparison. The results showed that post-harvest fungi that attacked Arabica coffee beans in West Sumatra belong to the Aspergillus genus, namely Aspergillus niger, A. flavus, and A. ochraceus. The highest post-harvest fungi attack was from Lima Puluh Kota (63.67%), and the lowest was from Solok Radjo (27%). The fungus with the highest infection rate was A. niger (38.83%), and the lowest was A. flavus (0.53%). The best quality of Arabica coffee beans was found in Solok Radjo (quality 3), with a water content that suitable with SNI standards. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/93 10.25077/jpt.6.2.1-10.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 1-10 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/93/74 Copyright (c) 2022 Martinius Martinius

oai:ojs.pkp.sfu.ca:article/98 2024-03-14T20:18:01Z jpt:ART

Damage of Teak Trees (Tectona grandis Linnaeus filius) in the Production Forest Area of RPH Sukorame, KPH Mojokerto, East Java, Indonesia: Kerusakan Tegakan Hutan Jati (Tectona grandis Linnaeus filius) pada Kawasan Hutan Produksi RPH Sukorame, KPH Mojokerto, Jawa Timur, Indonesia Damage of Teak Trees (Tectona grandis Linnaeus filius) in the Production Forest Area of RPH Sukorame, KPH Mojokerto, East Java, Indonesia: Kerusakan Tegakan Hutan Jati (Tectona grandis Linnaeus filius) pada Kawasan Hutan Produksi RPH Sukorame, KPH Mojokerto, Jawa Timur, Indonesia Ashari, Ida Ayu Rahayu, Erni Mukti Triwanto, Joko Damage, productivity, teak tree, tread quality The health of the teak tree can be affected by damage caused by pests and environmental factors. This study aims to determine the health of the teak tree in teak production forest areas at RPH Sukorame KPH Mojokerto, East Java, Indonesia. The method used was the forest health monitoring (FHM) method. The sample was chosen by using a cluster plot system with a total sample of 216 teak trees. Parameters observed were symptoms of damage and its causes, type of damage and damaged parts of the teak tree, height and diameter, tread quality, and tree health analysis. The results showed that the health level of the teak tree in the teak production forest area of RPH Sukorame, KPH Mojokerto, East Java, was included in the health category with a Cluster plot level index (CLI) value of 4.36 - 4.51. The damage to the stand was caused by the attack of armyworm (Hyblaea puera), termites (Schedorhinotermes sp), and other factors. The productivity level of the area could have been more optimal, with a branch-free stand height of 0-5 m and a diameter of 16-20 cm: grumusol and grumusol sandy soil with a pH ranging from 5.8 to 7.0. Forest management is needed so that the teak tree can achieve optimum productivity. Kerusakan tegakan dapat mengakibatkan penurunan kualitas pada tegakan. Penelitian ini bertujuan untuk menganalisis tingkat kesehatan tegakan jati dan produktivitas serta kualitas tapak pada kawasan hutan produksi jati di RPH Sukorame BKPH Bluluk. Metode yang digunakan dalam penelitian adalah metode forest health monitoring (FHM) untuk memperoleh data tingkat kerusakan, produktivitas dan kualitas tapak pada kawasan tersebut. Berdasarkan hasil penelitian diketahui bahwa tegakan jati termasuk kategori sehat dengan nilai CLI 4,36 – 4,51. Produktivitas kawasan dengan tinggi bebas cabang 0-5 m dan diameter 16-20 cm dengan jenis tanah grumusol dan grumussol berpasir. pH tanah di sebagian wilayah netral dengan pH tanah 7 dan sebagian lagi sedikit masam dengan pH tanah 6,9 dan 5,8. Keywords: Jati. Kesehatan Tegakan, Produktivitas, Kualitas Tapak Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion artikel jurnal jurnal application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/98 10.25077/jpt.6.2.11-22.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 11-22 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/98/76 Copyright (c) 2022 Ida Ayu Ashari, Erni Mukti Rahayu, Joko Triwanto

oai:ojs.pkp.sfu.ca:article/106 2024-03-14T20:18:01Z jpt:ART

Resistance of Some Rice Varieties (Oryzae sativa Linnaeus) to the Brown Planthopper (Nilaparvata lugens Stal) using the Honey Dew Test: Uji Ketahanan Beberapa Varietas Padi terhadap Wereng Batang Coklat (Nilaparvata lugens Stal) Populasi Karawang Menggunakan Metode Embun Madu Sari, Widya Puspita Rinaldi, James Darmadi, Dedi Arneti, Arneti Honeydew, resistant, secretion, susceptable, sticky rice One of the control techniques for the brown planthopper or BPH (Nilaparvata lugens Stal) is resistant varieties. This study aimed to determine the resistance level of several rice varieties (Oryza sativa Linnaeus) to the BPH of the Karawang Population. The study was located at the Entomology Laboratory, Center for Predicting Plant Pest Organisms (BBPOPT) Jatisari, Directorate General of Food Crops, Ministry of Agriculture, Indonesia, from July to August 2022. The study was conducted in a Completely Randomized Design (CRD) with ten treatments and five replications. The treatment was in the form of different rice varieties (Pelita, Inpari-33, Inpari-47, Inpari-48, Ciherang, Cilamaya Muncul, Mapan, Situ Bagendit, M-400, IR-64). Parameters observed were spot area, spot area conversion, and determination of resistance. The results showed that the resistance of some of the tested rice varieties to BPH of the Karawang population was classified as moderate to moderately resistant. Inpari-47, Inpari-48, IR-64, M-400, Inpari-33, Cilamaya Muncul, and Situ Bagendit are moderately resistant, while Mapan, Ciherang, and Pelita have moderate resistance. The results of the honeydew test can be compared with other resistance test methods. ABSTRACT The brown planthopper (Nilaparvata lugens Stal) is the main pest of rice plants around the world, because it can cause crop failure or crop loss. One technique to control brown planthopper is to use resistant varieties. The research of honeydew test method aimed to determine the resistance level of several rice varieties (Oryza sativa Linnaeus) against brown planthopper (Nilaparvata lugens Stal) from Karawang population. This research was conducted at the Entomology Laboratory of the Forecasting Center for Plant Pest Organisms (BBPOPT) Jatisari, Directorate General of Food Crops, Ministry of Agriculture, Indonesia. The study was carried out from July to August 2022. The application of the resistance test of rice varieties to brown planthoppers was applied using the honey dew test method using bromocressol green indicator paper as an alternative to describe the broad distribution of spots secreted by the brown planthopper. Parameters for pecking are extensive conversion analysis of spots, large percentages of spots, and broad finder’s fees with testing of 10 varieties of rice (Pelita, Inpari-33, Inpari-47, Inpari-48, Ciherang, Cilamaya muncul, Mapan, Situ bangendit, M-400, IR-64) in five replications. The results showed that Inpari-33, Inpari-47, Inpari -48, Cilamaya muncul, M-400, and IR-64, Situ Bagendit had moderate resistance, whereas Mapan, ciherang and pelita had susceptable. Keywords: Honeydew, resistant, secretion, susceptable,  sticky rice Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-01-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion teks application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/106 10.25077/jpt.6.2.23-32.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 23-32 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/106/77 Copyright (c) 2022 Widya Puspita Sari, James Rinaldi, Dedi Darmadi, Arneti Arneti

oai:ojs.pkp.sfu.ca:article/108 2024-03-14T20:18:01Z jpt:ART

Resistance Test of Some Rice Varieties to Brown Planthopper (Nilaparvata lugens Stal) Bogor Population Using Honey: Uji Resistensi Beberapa Varietas Padi terhadap Wereng Batang Coklat (Nilaparvata lugens Stal) Populasi Bogor Menggunakan Metode Honeydew Test Rinaldi, James Sari, Widya Puspita Darmadi, Dedi Nelly, Novri Resistant, secretion, Situ Bagendit, susceptable, moderate Brown planthopper or BPH (Nilaparvata lugens Stal, Hemiptera: Delpachidae) is a significant pest that is a severe problem to rice plants in various places, including Bogor District, East Java Province. Resistance of several varieties of rice to BPH of Bogor Population has not been reported. One method to determine a variety's resistance is the honeydew test. This study aims to determine the resistance of several rice varieties to BPH of Bogor population. This study used six different varieties as treatments, and carried out in five replications. Those varieties were Pelita, Mapan, Situ Bagendit, Ciherang, Inpari-33, and IR-64. The observations were made on the area of honeydew spots produced by BPH after consuming sap of rice plant. This research showed that the Situ Bagendit variety was relatively resistant to BPH of Bogor population. The Mapan and Pelita varieties were quite susceptable, while Inpari-33, Ciherang, and IR-64 were moderate. The region of origin where BPH grows and the testing procedure can affect the resistance category of one variety.     Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/108 10.25077/jpt.6.2.45-54.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 45-54 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/108/79 Copyright (c) 2022 James Rinaldi, Widya Puspita Sari, Dedi Darmadi, Novri Nelly

oai:ojs.pkp.sfu.ca:article/109 2024-03-14T20:18:01Z jpt:ART

Weed Diversity in Irrigated Rice Field in Mulyorejo Village, Malang City, Indonesia: Keanekaragaman Gulma di Areal Pertanaman Padi Sawah Beririgasi di Kelurahan Mulyorejo, Kota Malang, Indonesia Az-Zahro, Aisyah Maulidia, Eva Refia, Farah Audifa Rahayu, Jihan Chandra Hesti Sokawati, Nowita Ayu Anggraini, Putri Ardhiyanti, Virdiana Intan Fardhani, Indra Dominance, diversity, taro, water clover, water lactic Weeds that grow around irrigated rice fields can affect the growth of rice plants. This study aims to determine the diversity of weeds in the rice fields of Mulyorejo Village, Malang City, Indonesia. The research was conducted from October - November 2022. The research used a survey with direct descriptive and exploratory methods. The study used a survey method with descriptive and direct exploration methods on an area of 677 m2 at an altitude of 478 m above sea level. Observations were made on weed species, dominance, and diversity index. The results showed that 13 species of weeds were found in the irrigated rice fields of Mulyorejo Village, Malang City, which was dominated by water clover (Marsilea crenata) (20.42%), which is classified as a broadleaf weed. The dominant weed was taro (Alocasia macrorrhizos) (SDR = 5.33). The minor weed is water lactic (Ludwigia decurrens). The rice field weed diversity index is 1.989, classified as moderate. Knowing the types of weed diversity in rice fields in Mulyorejo, it is hoped that it can facilitate the optimal handling process. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/109 10.25077/jpt.6.2.33-44.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 33-44 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/109/78 Copyright (c) 2022 Aisyah Az-Zahro, Eva Maulidia, Farah Audifa Refia, Jihan Chandra Hesti Rahayu, Nowita Ayu Sokawati, Putri Anggraini, Virdiana Intan Ardhiyanti, Indra Fardhani

oai:ojs.pkp.sfu.ca:article/124 2024-03-14T20:18:01Z jpt:ART

Potency of Indigenous Epiphytic Yeast to Control Colletotrichum capsici, the Cause of Anthracnose Disease in Red Chili: Potensi Khamir Epifit Indigenus untuk Mengendalikan Colletotrichum capsici, Penyebab Penyakit Antraknosa pada Buah Cabai Merah Darnetty, Darnetty Hermaleni, Utari Yunisman, Yunisman Capsicum annuum, epiphytic yeast, indigenous, inhibition Anthracnose is an important disease in red chili caused by Colletotrichum capsici which can reduce productivity by up to 65%. Controlling using indigenous epiphytic yeasts has never been done. The study aimed to determine the ability of indigenous epiphytic yeast isolates to control C. capsici on red chili. The study was carried out at the Phytopathology Laboratory, Faculty of Agriculture, Universitas Andalas, from August 2019 - April 2020 in vitro and in vivo. The study used a completely randomized design (CRD) which consisted of 6 treatments with five different isolates (4 isolates from fruit and one from leaves) and a control. Parameters observed were macroscopic and microscopic characteristics of yeasts, C. capsici colony area, disease incubation period, and anthracnose symptoms. The results showed that the five epiphytic yeast isolates could suppress the growth of C. capsici, inhibit colony expansion between 27.09 – 59.11%, extend the incubation period for one day, and inhibit the expansion of anthracnose symptoms between 52.30 – 62.64%. Epiphytic yeast isolate KB1 derived from fruit has the highest inhibition. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2022-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/124 10.25077/jpt.6.2.55-64.2022 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 6 No. 2 (2022): December 2022; 55-65 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/124/80 Copyright (c) 2022 Darnetty Darnetty, Utari Hermaleni, Yunisman Yunisman

oai:ojs.pkp.sfu.ca:article/126 2024-03-14T20:17:45Z jpt:ART

Effectivity of Inhibition of Oil Palm Empty Fruit Bunches Liquid Smoke Against Ganoderma boninense Fungus In Vitro Riyani, Cica Rahmawati, Linda Majid, Zuliyan Agus NM Acetic acid, basal stem rot disease, control, concentration, OPEFB, phenol Oil palm empty fruit bunches (OPEFB) can be processed into liquid smoke through pyrolysis. This study aimed to obtain the best concentration of unpurified liquid smoke from OPEFB in inhibiting the growth of the fungus of Ganoderma boninense. OPEFB samples were obtained from PT. Citra Putra Kebun Asri and G. boninense were collected from Muara Teweh Plantation. The study was conducted in 2 stages; Analysis of liquid smoke from pyrolysis using the GC-MS method at the Organic Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Gadjah Mada University; and testing the inhibition of liquid smoke on G. boninense in vitro at the Basic Plantation Cultivation Laboratory, Hasnur Polytechnic, and the Microbiology Laboratory of Plantation Products Processing Technology, Muara Teweh Polytechnic. This study was conducted in a completely randomized design with four treatments and six replications. The treatment was the difference in concentration of liquid smoke (1 ml/AC1, 2 ml/AC2, 3 ml/AC3, and control/AC0) in the planting medium, potato dextrose agar (PDA). The results showed that the average yield of unpurified liquid smoke from OPEFB was 34.5%, containing 49.28% acetic acid, 11.57% methyl alcohol, and 9.10% phenol. Application ? 2 ml liquid smoke in PDA completely inhibited G.boninense's growth in vitro, starting three days after application. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/126 10.25077/jpt.7.1.1-10.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 1-10 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/126/81 Copyright (c) 2023 Linda Rahmawati, Cica Riyani, Zuliyan Agus NM Majid

oai:ojs.pkp.sfu.ca:article/129 2024-03-14T20:17:45Z jpt:ART

Species and Termite Attack Intensity on Pine Trees in Nagari Talang Babungo, Solok District, West Sumatra Province: Jenis dan Intensitas Serangan Rayap pada Pohon Pinus di Nagari Talang Babungo Kabupaten Solok Provinsi Sumatera Barat Desyanti, Desyanti Fauzan, Fauzan Yenti, Zulhilda Graveyard test, Indication, intensity, Nusitutermes sp, termite gallery Termites are classified as insects that destroy trees and other organic materials containing cellulose, including pine trees. The species and attack intensity of termites on pine trees in the protected forest of Nagari Talang Babungo, Solok District, West Sumatra Province, is unknown. This study aimed to determine the type and intensity of termite attacks on pine trees in the protected forest of Nagari Talang Babungo, Solok District, West Sumatra Province. This research was conducted by survey method with direct observation and graveyard test techniques. Based on the results, it was found that around 7.8% of pine trees in the Nagari Talang Babungo Protection Forest, Hiliran Gumanti sub-district, Solok Regency, West Sumatra Province, were attacked by termites Nusitutermes sp, which was indicated by the presence of termite galleries on the trunks and bases of the stems. The intensity of the termite attack was relatively low, with a percentage of lose weight by using graveyard test was 17.7%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/129 10.25077/jpt.7.1.34-43.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 34-43 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/129/83 Copyright (c) 2023 Desyanti Desyanti, Fauzan Fauzan, Zulhilda Yenti

oai:ojs.pkp.sfu.ca:article/132 2024-03-14T20:17:45Z jpt:ART

Compost Organic Materials' Suitability as a Living Place for Rhinoceros Beetle Larvae (Oryctes rhinoceros Linnaeus) in Oil Palm Area: Kesesuaian Bahan Organik Kompos sebagai Tempat Hidup Larva Kumbang Tanduk (Oryctes rhinoceros Linnaeus) pada Lahan Sawit Fauzana, Hafiz Rustam, Rusli Salbiah, Desita Aritonang, Putra Compost organic matter, Elaeis guineensis, OPEFB, rice husk, sawdust Rhinoceros beetle (Oryctes rhinoceros) is the primary pest of oil palm (Elaeis guineensis Jacq.). Applying oil palm empty fruit bunches (OPEFB) and various other organic materials to cultivated land is assumed to support the growth of rhinoceros beetles. The study aimed to determine the suitability of organic matter as a place for rhinoceros beetle larvae to live. The research was carried out experimentally using a completely randomized design (RBD) with eight treatments and four replications. The treatment was in the form of OPEFB, rice husk, sawdust, OPEFB + rice husk, OPEFB + sawdust, OPEFB + rice husk + sawdust, and OPEFB + rice husk + sawdust without composting. The results showed that the growth of rhinoceros beetle larvae tended to be best on an organic material combination of OPEFB + rice husk + sawdust without being composted. Meanwhile, rice husk is the most unsuitable organic material for developing rhinoceros beetle larvae. Applying organic matter to palm land should be composted beforehand to reduce Rhinoceros beetle infestation. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/132 10.25077/jpt.7.1.11-21.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 11-21 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/132/82 Copyright (c) 2023 Hafiz - Fauzana, Rusli Rustam, Desita Salbiah, Putra Aritonang

oai:ojs.pkp.sfu.ca:article/133 2024-03-14T20:17:45Z jpt:ART

Efficacy of atrazine 500 g/l Herbicide against Various Types of Weeds and Its Impact on Maize Plants (Zea mays Linnaeus): Efikasi Herbisida Atrazin 500 g/l terhadap Berbagai Jenis Gulma, dan Dampaknya terhadap Tanaman Jagung (Zea mays Linnaeus) Ibrohim, Ibrohim Pujisiswanto, Hidayat Nurmauli, Niar Susanto, Herry Corn, doses, manual weeding, broadleaf weeds, grass weeds Atrazine 500 g/l  is a selective herbicide that can be applied during pre- or post-growth of corn. This study aimed to determine the effective level of dosage in controlling weeds in the corn planting area and its impact on growth and corn yields. The study was conducted at the Experimental Garden of Universitas Lampung, South Lampung, and the Weed Laboratory of the Faculty of Agriculture, Universitas Lampung, from August to November 2022. The study used a Randomized Block Design (RBD) with seven treatments and four replications. The treatment consisted of 5 herbicide doses (Atrazine 500 g/l (500, 750, 1,000, 1,250, and 1,500 g/ha), manual weeding, and control. The results showed that Atrazine 500 g/l  at doses of 750 - 1,500 g/ha effectively controlled the growth of total weeds, broadleaf and grass weeds, Digitaria ciliaris, and Richardia brasiliensis. While at doses of 500–1,500 g/ha, it effectively controlled Eleusine indica, Cleome rutidosperma, and Commelina benghalensis. Those doses did not poison, and did not inhibit growth, and the yield of maize. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-07-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/133 10.25077/jpt.7.1.22-33.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 22-33 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/133/84 Copyright (c) 2023 Hidayat Pujisiswanto, Ibrohim, Niar Nurmauli, Herry Susanto

oai:ojs.pkp.sfu.ca:article/137 2024-03-14T20:17:45Z jpt:ART

Distribution and Attack Rate of Spodoptera frugiperda on Maize in Sijunjung District, West Sumatera Province: Distribusi dan Tingkat Serangan Spodoptera frugiperda pada Tanaman Jagung di Kabupaten Sijunjung, Sumatera Barat Syafria, Syafria Reflinaldon, Reflinaldon Nelly, Novri Corn, cultivation techniques, density, population, variety   The density and attack rates of Spodoptera frugiperda have been reported in various maize cultivation in Indonesia, but there has never been a report in Sijunjung District, West Sumatra. The research was conducted to study the attack level, density, and distribution of S. frugiperda in Sijunjung District. The study was carried out in March -May 2023 using a survey method in 8 sub-districts in Sijunjung District. The results showed that S. frugiperda had spread and attacked maize crops evenly in Sijunjung District, but the attack rate (26.96%) and density (0.24 individuals) were low. The highest attack was found in Nagari Guguak (88.7%). The high or low rate of attacks is influenced by differences in varieties, planting ages, and maize cultivation techniques. Meanwhile, the density is more influenced by age differences. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-07-07 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/137 10.25077/jpt.7.1.44-54.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 44-54 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/137/85 Copyright (c) 2023 syafria syafria, Reflinaldon Reflinaldon, Novri Nelly

oai:ojs.pkp.sfu.ca:article/143 2024-03-14T20:17:45Z jpt:ART

The Environmentally IPM Package for Controlling Fall Armyworm (Spodoptera frugiperda) in Maize Field Yurina, Nova Syahrawati, My Arneti, Arneti Busniah, Munzir Cob weight, corn, damage level, fall armyworm, farming cost Integrated Pest Management (IPM) is a pest control method that combines several control techniques by considering ecological, economic, and sociological consequences. Management efforts with IPM principles can be conducted by cultivating healthy plants and entomopathogen application. This study examined the IPM package's success for controlling fall armyworm (Spodoptera frugiperda) in maize field. This research was conducted in a farmer's maize plantation in the West Pasaman District from August to December 2021. The study used a Randomized Block Design (RBD) which consisted of three treatments and five replications. The treatments were different cultivation techniques using IPM, Non-IPM, and control. The variables observed were the population of S. frugiperda (individual/plant), attack rate (%), attack intensity (%), cob weight (g/cob), and farming cost (IDR). The results showed that the IPM and Non-IPM maize cultivation techniques had no different effect on S. frugiperda, especially survival stage, attack rate, intensity, and yield. However, this effect was higher than the control. In addition, the economic benefits of cultivation with IPM were higher than non-IPM. Therefore, this IPM package can be recommended for controlling S. frugiperda because it is also economically profitable and environmentally friendly. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-07-10 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/143 10.25077/jpt.7.1.55-64.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 1 (2023): June 2023; 55-64 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/143/86 Copyright (c) 2023 My Syahrawati

oai:ojs.pkp.sfu.ca:article/145 2024-03-14T20:16:18Z jpt:ART

Identification and Characterization of Fungi Associated with Leaf Spot Disease of Rubber Trees (Hevea brasiliensis) in Pahang, Malaysia Zainudin, Nur Ain Izzati Mohd Azhar, Nur’ain Rosli, Muhamad Najmi Haikal Nordin, Nor Aisyah Md Isolate, Lasiodiplodia theobromae, lesion, pathogen, spot Rubber trees are important sources of agricultural income as they are utilized for lumber and latex. Like other crops, they are susceptible to numerous fungal pathogens, especially on their leaves, the most important plant part. Therefore, this study was conducted to identify the fungi associated with leaf spot disease on the leaves of rubber trees. This study aimed to characterize fungi associated with diseased rubber leaves and determine the causative agent of leaf spot disease. A total of 20 fungal isolates were obtained and purified from rubber leaves collected during sampling in rubber plantations in Pahang, Malaysia. All the isolated fungi were identified as Colletotrichum siamense (2 isolates), Diaporthe sp. (5 isolates), Lasiodiplodia pseudotheobromae (1 isolate), L. theobromae (7 isolates) and Neoscytalidium sp. (5 isolates). Based on a pathogenicity test, it was found that nine isolates were pathogenic towards the leaves of rubber, which were L. theobromae, L. pseudotheobromae, and C. siamense. The lesions on the leaves displayed chlorosis with varying necrotic lesion sizes after 21 days post-inoculation. The isolates of the species L. theobromae were the most prevalent, indicating it is more widespread in the region than other species. The findings present data on the potential pathogen of rubber plants and are important to understand further the potential risks and effects of the pathogen in rubber plantations Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/145 10.25077/jpt.7.2.89-102.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 89-102 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/145/88 Copyright (c) 2023 Nur Ain Izzati

oai:ojs.pkp.sfu.ca:article/146 2025-03-21T14:11:46Z jpt:ART

Chemical Composition of Cymbopogon flexuosus and C. winterianus Essential Oils and Their Insecticidal Potential Against the Coffee Berry Borer Hypothenemus hampei: Venkateaha Venkatesha, Melally Giddegowda Kiran, Rudramuni Botanicals bioassay Cymbopogon spp non-residual toxic Hypothenemus hampei is the most important insect pest of coffee in the world. H. hampei is controlled by using endosulfan and methyl bromide. However, using these two chemicals may pose pesticide resistance, bioaccumulation, and a threat to human health and the environment. This study evaluated the chemical compositions of essential oils from Cymbopogon flexuosus and C. winterianus and their insecticidal potential against H. hampei as an alternative to endosulfan and methyl bromide. The chemical profiles of the two essential oils showed that both constituted biochemically distinct monoterpenes and sesquiterpenes. The main compounds identified in C. flexuosus were citral, geraniol, and isoforms, representing 76.45% of the total composition, and other active ingredients were citronella, caryophyllene, citronellyl acetate, cadinene, linalool, and limonene. The composition of C. winterianus was citronella, nerol, and citronellol as principal components, corresponding to 66.47%, along with other active ingredients elemol, geranyl acetate, citronellyl acetate, germacrene, and limonene. Differential sensitivity of H. hampei adults was observed in the bioassay of two oils, where a dose-dependent increase in mortality was observed. Among two concentrations of both essential oils, 100% mortality was observed at 500 and 1000 ppm within 48 and 24 hours of treatment, respectively. The significant biological activity of both Cymbopogon species oils indicated a potential source for further development of botanical pesticides as an effective, useful alternative for currently used toxic insecticides. Additionally, essential oils of C. flexuosus and C. winterianus and their active ingredients are classified as non-residual insecticides and are eligible for a pesticide registration exemption. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/146 10.25077/jpt.7.2.65-77.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 65-77 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/146/87 Copyright (c) 2023 M G VENKATESHA http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/147 2024-03-14T20:16:18Z jpt:ART

Biological dan Molecular Characterization of Papaya Ringspot Virus from Bogor District, Indonesia Riska, Riska Husada, Eko Darma Budiyanti, Tri Jumjunidang, Jumjunidang Homology, host, PRSV, PCR Analysis, symptom Management of PRSV using cross-protection and transgenic plants has been hampered due to varying PRSV gene sequences. Therefore, the characterization of new PRSV isolates could help design the region needed for region-specific management practices. The study aimed to characterize the typical PRSV isolates found in Bogor biologically and molecularly. The study was conducted in 2 stages: host range study of 2 isolates (Sukaraja and Cijeruk) on five species with six plants for replication, and RT-PCR analysis amplified coat protein (CP) region using PRSV326 and PRSV800 primer pair. The results showed that Sukaraja isolate produced systemic symptoms in papaya (Carica papaya L) cv. Merah Delima in the form of leaf lamina becoming pale and wilting, leaf malformation, open veins, and striped patterns on the leaves, while the Cijeruk isolate causes symptoms of leaf blistering, mosaicism, leaf malformation, wilted lamina, and striped patterns on the leaves. These two isolates did not cause symptoms on eggplant (Solanum melongena) and chickpea (Vigna unguiculata) but produced striped leaf patterns and pale lamina symptoms on bitter melon (Momordica charantia) and melon (Cucumis melo) leaves. RT-PCR analysis was able to amplify ±475 bp of DNA. The two DNA isolates had a homology percentage of 97.7% with PRSV isolates from Thailand, ranging between 93.07-99.68% with the Kulon Progo and Nganjuk isolates. Based on phylogenetic analysis, the Cijeruk isolate was in the same branch as the Indonesian isolate, while the Sukaraja isolate was a separate branch and closely related to isolates from Oklahoma and Malaysia.  CP PRSV. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-04 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/147 10.25077/jpt.7.2.78-88.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 78-88 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/147/90 Copyright (c) 2023 riska riska

oai:ojs.pkp.sfu.ca:article/148 2024-03-14T20:16:18Z jpt:ART

New Record of the Egg-larval Parasitoid, Chelonus formosanus Sonan of Fall Armyworm, Spodoptera frugiperda (J.E. Smith) in the Philippines Calcetas, Orlando Adona Joshi, Ravindra Chandra Gupta, Ankita Ranjith, Avinjikkattu Parambil Madrid, Mary Ann Fameronag, Joash Chelonus semihyalinus, corn, natural enemy, rice, parasitoid The egg-larval parasitoid on fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) have not reported in the Philippines. This paper summarizes the global biological information on two species of Chelonus and their role in the regulation of FAW. The FAW egg masses and larvae were collected in the corn plantations inside the Lipa Agricultural Research Station, Marawoy, Lipa City, Batangas. The collected egg masses and larvae were reared at the Entomology Laboratory of the Department of Agriculture-Regional Crop Protection Center IVA. The larvae of FAW were observed for the emergence of parasitoids. Two cocoons of the parasitoid from the rearing cages were obtained for species determination. Three adults from the emerged parasitoids, each male and female, were initially preserved and labeled. Color images of habitus and other morphological characters of the parasitoid were taken using a DSLR camera attached to an Olympus SZ61-60 microscope. This research found two species that emerged from FAW: Chelonus formosanus and the new record of C. semihyalinus. We also highlight the need for more research in the Philippines on exploring the diversity of indigenous natural enemies, the development of mass-rearing techniques, and their utilization to manage fall armyworms. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/148 10.25077/jpt.7.2.103-114.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 103-114 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/148/89 Copyright (c) 2023 Ravindra Chandra Joshi

oai:ojs.pkp.sfu.ca:article/154 2024-03-14T20:16:18Z jpt:ART

Population Distribution of Rats (Rattus argentiventer) and the Damage Intensity on Rice and Other Crops in Pleret, Yogyakarta, Indonesia Brotodjojo, RR Rukmowati Lazuardi, Ikhsan Suprihanti, Antik Crop damage, nest, rodent, trap barrier system Rice field rats is one of the main pests of rice in Indonesia and other Asian countries that can cause a crop failure. The availability food sources might affect the rat foraging in the field. The research aimed to determine the distribution of rat population and their nests in the field with different crop and to examine the level of crop damage caused by rats. The research was conducted from January to April 2023 in Pleret district, Yogyakarta, Indonesia. The 1000 m2 TBS (Trap Barrier System) was installed in the middle of the 225 ha observation area to trap rats. Crop damage inside TBS was observed using a diagonal sampling method. Crop damage outside TBS was observed using the line transect method in the 4 cardinal directions with a distance of 250m, 500m, and 750m from TBS. Rat nest’s locations were mapped using GPS. The results showed that the number of rats trapped was low in the early and late stage of rice growth and peaked when the rice aged 12 weeks after planting (WAP). Rice crop damage inside TBS occurred when rice entered 12 WAP. There was no damage on rice crops around the TBS. Rats also attacked corn and sugarcane which caused heavy damage to these crops. There were 157 active holes found in 225ha observation area and they mostly were found in rice field bunds, irrigation embankments, and vacant land. This study implied that understanding the distribution of rat’s population and their nest will support the rat control. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/154 10.25077/jpt.7.2.115-126.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 115-126 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/154/91 Copyright (c) 2023 RR Rukmowati Brotodjojo, Ikhsan Lazuardi, Antik Suprihanti

oai:ojs.pkp.sfu.ca:article/161 2024-03-14T20:16:18Z jpt:ART

Virulence of Five Isolates of The Entomopathogenic Fungus, Metarhizium anisopliae, Against Brown Planthopper (Nilaparvata lugens) Trizelia, Trizelia Rahma, Haliatur Syahrawati, My Adults, biological control, mortality, nymph, rice The brown planthopper (Nilaparvata lugens) is one of the main pests of rice plants. This pest attack can cause crop failure or puso. Biological control of this pest can be carried out using the entomopathogenic fungus, Metarhizium anisopliae. The ability of this fungus to control pests is influenced by the source of the isolate. The purpose of this study was to obtain isolates of M. anisopliae, which is virulent to N. lugens. This study used an experimental method with a completely randomized design (CRD) in six treatments and five replications. There were five isolates of M. anisopliae used and one control. M. anisopliae was applied to nymphs and adults of N. lugens with a concentration of 108 conidia/mL. The research revealed that all M. anisopliae isolates tested were virulent against N. lugens nymphs and adults. The most virulent isolate for the two stages of BPH was Met3B, which was collected from the leek rhizosphere. The isolate caused an adult mortality rate of 52%, nymph mortality of 60% in 10 days after application, and adults formed after application was only 37.33%. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2023-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/161 10.25077/jpt.7.2.127-133.2023 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 7 No. 2 (2023): December 2023; 127-133 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/161/92 Copyright (c) 2023 Trizelia Trizelia, Haliatur Rahma, My Syahrawati

oai:ojs.pkp.sfu.ca:article/166 2024-08-14T11:23:52Z jpt:ART

Infestation Rate of the Coffee Berry Borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae) in South India Venkatesha, Melally Giddegowda Kiran, Rudramuni Population, field survey, berry borer, coffee The coffee berry borer (CBB), Hypothenemus hampei, is a monophagous insect pest that poses a major threat to coffee production worldwide, causing yield losses of up to 30-50%. India's coffee heartland in the south, responsible for over 90% of the national output, grapples with the threat of CBB infestations. Despite its economic importance and global spread, research on the ecology of CBB in India's traditional coffee-growing regions still needs to be completed. In this study, we investigated the infestation rate of CBB in Coffea arabica and C. canephora plantations at three designated locations at Chikkamagaluru (Karnataka), Thandigudi (Tamil Nadu) and Chundale (Kerala) from south India and samplings was done once a month during three fruiting periods between 2015 and 2018. The three sampled sites showed variable percentages of infestation rates across the sampling period between 4.61±0.73 and 29.60±2.28, with the lowest and highest infestation rates in Thandigudi and Chikkamagaluru, respectively. The increase in CBB infestation towards harvest and variations in pre-brood, brood, and post-brood populations suggest the influence of different stages of fresh coffee berries, favorable agro-climatic conditions, and gaps in management strategies in the three sampled regions. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-06-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/166 10.25077/jpt.8.1.1-11.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 1-11 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/166/93 Copyright (c) 2024 M G VENKATESHA, R Kiran

oai:ojs.pkp.sfu.ca:article/178 2024-08-14T11:23:52Z jpt:ART

Interactive effects of Rhizobacteria for Managing Spodoptera exigua on Shallot Plants (Allium cepa Linnaeus) under Field Conditions Aplikasi Rizobakteri untuk Pengelolaan Spodoptera exigua Hübner pada Tanaman Bawang Merah (Allium cepa Linnaeus) di Lapangan Hidrayani, Hidrayani Nurbailis, Nurbailis Yeni, Fitri Ikhsan, Zahlul Bacillus sp., BPTPH, effectiveness, resistance induction, Yuyaos Spodoptera exigua is the primary pest attacking shallot plants from the vegetative to the generative phase. Yield loss caused by S. exigua attack can reach 57%. Rhizobacteria have been known to be used as biocontrol agents for controlling insect pests. The research objectives were to determine and compare the effectiveness of Yuyaos and BPTPH rhizobacteria formula (Bacillus sp.) in suppressing the attack of S. exigua on shallot-growing areas. The study used a completely randomized design (CRD) of 3 treatments and five replications. The treatment consisted of shallot seedlings treated with two types of rhizobacteria (Yuyaos and BPTPH) and water (without rhizobacteria) as control before planting. Beneficial effects of the rhizobacteria on shallot plants were observed in the following variables, including the development of the S. exigua population, damage level of S. exigua, and shallot growth. The results showed that introducing Yuyaos rhizobacteria (RZ2.1AG1, Bacillus thuringiensis), which originated from the rhizosphere of the chili plant, was the best way to protect shallot plants from S.exigua. Effectively reduced the population of S.exigua (78.90%), leaf damage (62.12%), and damage intensity (38.88%). On the other hand, Yuyaos was also influential in increasing tuber growth (11.11%), plant height (43.29%), number of leaves (58.33%), and number of tillers (22.22%).    Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-06-29 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/178 10.25077/jpt.8.1.12-20.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 12-20 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/178/94 Copyright (c) 2024 Hidrayani Hidrayani, Nurbailis Nurbailis, Fitri Yeni, Zahlul Ikhsan

oai:ojs.pkp.sfu.ca:article/181 2024-08-14T11:23:52Z jpt:ART

Biology of Predatory Fire Caterpillar, Sycanus sp. (Hemiptera: Reduviidae), when fed Alternative with Black Soldier Fly Maggots (Hermetia illucens) Hayati, Nadila Rustam, Rusli Umami, Irwin Mirza Prasetiyowati, Andriyani Biology, black soldier fly (BSF), predator, Sycanus sp. Fire caterpillars (Sethotosea asigna, Lepidoptera: Limacodidae) are a major pest of oil palms and cause harvesting losses. Natural enemies such as Sycanus sp. are reported to control fire caterpillars. The biological of Sycanus sp. were observed in the laboratory when fed using the alternative feed, maggot Black Soldier Fly (Hermetia illucens L.). Variables observed were egg, nymph, imago stadia, and the life cycle of Sycanus sp. The data were calculated, displayed as figures and tables, and given descriptive analysis. The results showed that predatory insects, Sycanus sp., can thrive well by providing alternative feed, such as Black Soldier Fly (BSF) (Hermetia illucens) maggots. Based on the results, it was known that one female Sycanussp. Could produce 101 eggs after being fed BSF maggots, with an incubation period of 17 days. The duration of the nymph stage was around 64.16 days, with a relatively low mortality rate (2-12%). Morphologically, Sycanus sp. grew and developed well. The body length was about twice the width of the body. The age of the male was shorter than that of the female, as was the body size. The sex ratio also showed fewer males than females (2:3). Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/181 10.25077/jpt.8.1.53-62.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 53-62 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/181/101 Copyright (c) 2024 Nadila Hayati, Rusli Rustam, Irwin Mirza Umami, Andriyani Prasetiyowati

oai:ojs.pkp.sfu.ca:article/189 2025-01-10T09:23:17Z jpt:ART

Potency of the Consortium of Pseudomonad fluorescent pf-142 and Bacillus mycoides Isolates Against Bacterial Wilt Disease In-Vitro Potensi Konsorsium Bakteri Pseudomonad fluorescent dan Bacillus mycoides Terhadap Penyakit Layu Bakteri Secara In-vitro Sagala, Yosua Nathanael Itona Prasetyawati, Endang Triwahyu Wuryandari, Yenny Antagonist, Capsicum annuum, decay, Ralstonia solanacearum, zone of inhibition Bacterial wilt disease caused by Ralstonia solanacearum is a disease in chili pepper plants (Capsicum annuum) that is difficult to control. One technique to prevent bacterial wilt disease is consortium of antagonistic bacteria such as Pseudomonad fluorescent and Bacillus mycoides. This study aimed to determine whether the consortium of Pseudomonad fluorescent pf-142 and Bacillus mycoides can inhibit R. solanacearum better than a single application in-vitro. This study was conducted in a Completely Randomized Design (CRD) with four treatments (Pseudomonad fluorescent pf-142, B. mycoides, Pseudomonad fluorescent pf-142 + B. mycoides, and control) in six replications, resulting in 24 experimental units. The variables observed were the symptoms of attack and pathogenicity of R. solanacearum, compatibility and inhibitory rate of the consortium of Pseudomonad fluorescens pf-142 and B. mycoides against R. solanacearum. Based on the study, it was known that R. solanacearum caused wilting in chili pepper plants with high virulence. Pseudomonad fluorescent pf-142 and B. mycoides did not produce an inhibition zone, indicating that both were compatible. The consortium of Pseudomonad fluorescent pf-142 and B. mycoides provided the widest inhibition zone, indicating strong antagonistic ability against R. solanacearum. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Teks application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/189 10.25077/jpt.8.2.78-87.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 78-87 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/189/103 Copyright (c) 2024 Yosua Nathanael Itona Sagala, Endang Triwahyu Prasetyawati, Yenny Wuryandari

oai:ojs.pkp.sfu.ca:article/190 2025-03-21T14:07:12Z jpt:ART

Ability of Beauveria bassiana to suppress Colletotrichum truncatum and increase the growth of chili plants (Capsicum annuum) Yanty, Dini Puspita Trizelia, Trizelia Darnetty, Darnetty Trisno, Jumsu Endophytic fungi Incidence incubation Leptocorisa oratorius severity Anthracnose is a disease caused by Colletotrichum sp., which can reduce the quality and yield of red chili by 45-60%. This study aimed to determine the ability of different Beauveria bassiana isolates to control anthracnose in chili. The research employed a Randomized Block Design (RBD) consisting of 6 treatments and 5 replications. The treatments included a control and 5 different B. bassiana isolates (PD114, TD312, WS, BbKo, KT2B21). The observed variables included incubation period, disease incidence and severity, plant height, number of leaves, flowering time, and chili fruit weight. The results showed that the application of different B. bassiana isolates have effectively inhibited the development of Colletotrichum truncatum, which caused anthracnose in chili. B. bassiana has demonstrated the ability to prolong the incubation period of C. truncatum (5.40 days) and reduce the percentage of disease incidence (16%). Furthermore, the application of B. bassiana increased the height of chili plants (40.40 cm) and the number of leaves (32 leaves), accelerated the flowering time (42.80 days), and boosted chili production (178.25 g). The WS and TD312 isolates revealed the most significant results. Although the severity of the disease was not impacted, the 2 isolates provided notable agronomic benefits to the chili plants. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-07-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/190 10.25077/jpt.8.1.42-52.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 42-52 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/190/100 Copyright (c) 2024 Dini Puspita Yanty, Trizelia Trizelia, Darnetty Darnetty, Jumsu Trisno http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/195 2025-01-10T09:23:17Z jpt:ART

Effectiveness of Dose and Application Interval of Ocimum sanctum Essential Oil as Bactrocera spp. Attractant on Siamese Orange Plants Amri, Lutfir Rahman Arneti, Arneti Reflinaldon, Reflinaldon Syahrawati, My Attractant, basil, Citrus nobilis, fruit flies, interval Fruit flies (Bactrocera spp.) are the most detrimental pests on siamese orange fruit (Citrus nobilis Linnaeus). One technique to control fruit flies that are safe for the environment and do not cause residues on plants is the use of attractants. The research aimed to study the effect of dose and application interval of basil essential oil for fruit fly control on Siamese orange plants. This research was conducted in citrus plantations of Gunung Omeh District, Lima Puluh Kota Regency, West Sumatra, Indonesia, and Insect Bioecology Laboratory, Faculty of Agriculture, Universitas Andalas. The study used a separate plot design consisting of doses of basil essential oil as the main plot and application intervals as subplots. The observed variables were species and the population of fruit flies. The results of observations found Three species of fruit flies, namely Bactrocera dorsalis, Bactrocera carambolae, and Bactrocera umbrosa, were successfully trapped during the observation with the highest number of catches of 278.33 individuals/trap, 15.33 individuals/trap, and 2.67 individuals/trap, respectively. Basil essential oil with a dose of 1.5 ml and an application interval of 3 days proved to be the most effective combination in trapping fruit flies compared to other doses and intervals. These results indicate that basil essential oil can be a potential alternative attractant in managing fruit fly populations on Siamese orange plants Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/195 10.25077/jpt.8.2.88-98.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 88-98 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/195/104 Copyright (c) 2024 Arneti Arneti

oai:ojs.pkp.sfu.ca:article/198 2024-08-14T11:23:52Z jpt:ART

The Increase of Insect Pest Population in Paddy Field Managed with an Ecological Approach using Refugia Plants and Biopesticides Alprilia, Arieska Wahyu Windiyanti, Wiwin Kusuma, Ramadhani Mahendra Biological agents, insect biodiversity, insect populations, pest management Insect pests can damage plants and act as vectors of diseases such as brown planthoppers which can transmit dwarf virus disease. The presence of insect pests is influenced by the type of variety, planting patterns, and excessive use of chemical pesticides so that insect pests increase and are difficult to control. This research wanted to provide insights into the effectiveness of combining insectary plants and biopesticides as ecological strategies to manage paddy (Oryza sativa Linnaeus) insect pests. The study was conducted in February-April 2024 in Sukodadi Village, Sukodadi District, Lamongan Regency. Method of study was conducted using a combination of direct observation, insect traps, and quantitative analysis to evaluate the impact of refugia plants and biopesticides on insect pest populations in paddy fields. The analysis includes the species diversity index (Shannon-Winner), species evenness index, species richness index (Margalef), dominance index (Simpson) and similarity index (Bray-Curtis). The study obtained 2,687 individual insect pests in paddy fields with refugia and fobio and 1,761 individuals in paddy fields without refugia and fobio. Insect pests were more abundant in paddy fields with refugia and fobio compared to fields without refugia and fobio. Refugia provides alternative habitats and additional resources for insect pests, and the use of biopesticides can create temporary ecosystem imbalances, and increase the population of insect pest. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/198 10.25077/jpt.8.1.31-41.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 31-41 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/198/99 Copyright (c) 2024 Arieska Wahyu Alprilia, Wiwin Windiyanti, Ramadhani Mahendra Kusuma

oai:ojs.pkp.sfu.ca:article/199 2024-08-14T11:23:52Z jpt:ART

Interaction of Predatory Ladybird Beetle, Micraspis discolor with Nilaparvata lugens throughout Paddy Growing Seasons Hanifah, Alia Natasha Musa, Nadia Nisha Noraziyah, Abd Aziz Shamsudin Yaakop, Salmah Biological control, Coccinellidae, Coleoptera, prey-predator Coccinellidae is a high-interest family that has performed well and is widely distributed. It is valuable in economic service because it acts as an agricultural biological control agent. The Micraspis discolor (Syn=Verania) (Coleoptera: Coccinellidae) is a successful omnivorous predator in rice ecosystem and functions well as a general biological control for maintaining the population of brown planthopper (BPH) (Nilaparvata lugens), the major rice pest worldwide. Studies of natural enemies’ abundance are necessary to increase the practical use of biological control in agriculture. This study investigated the abundance correlation of M. discolor (prey) and rice pest N. lugens (prey) from two different geographical areas of rice fields in west and south Peninsular Malaysia. The cyclone lightrap and sweep net method succeeded in collecting 185 individuals of M. discolor and N. lugens. The study indicated that M. discolor, and the N. lugens collected from Selangor were more numerous than Johor in the ripening phase than in the reproductive and vegetative phases.  M. discolor can be found in all stages of rice growth. There are positive correlations between M. discolor and N. lugens in both localities throughout the rice growing season. The positive correlation highlighted that the number of pests has increased parallel to the number of predators and vice versa.  The use of M. discolor as a predator is essential in agriculture, along with the treatment of a healthy ecosystem landscape of diverse vegetation combinations, which helps to reduce the use of pesticides. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/199 10.25077/jpt.8.1.21-30.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 1 (2024): June 2024; 21-30 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/199/95 Copyright (c) 2024 salmah Yaakop

oai:ojs.pkp.sfu.ca:article/209 2025-01-10T09:23:17Z jpt:ART

Exploration and Characterization of Rhizobacteria from Rhizosphere of Rice Plants to Control Fusarium Fujikuroi In Vitro Eksplorasi dan Karakterisasi Rizobakteri untuk Mengendalikan Jamur Fusarium fujikuroi secara In vitro Rahma, Zola Puti Rahma, Haliatur Sulyanti, Eri Antagonistic test, bakanae, biocontrol agents, HCN, hydrolysis enzymes Rhizobacteria is bacteria that found in the root zone of plants. Rhizobacteria can act as biocontrol agents against Fusarium fujikuroi, the fungus that causes bakanae disease in rice plants. This study aimed to obtain rhizobacteria isolates from the roots of rice plants and to determine their characteristics as biocontrol agents against F. fujikuroi in vitro. This research consisted of two stages: 1) Exploration of rhizobacteria from the roots of rice plants in Padang City, West Sumatera, Indonesia and 2) Antagonistic character of Rhizobacteria against F. fujikuroi in vitro including: antagonistic test, hydrolytic enzyme production test (protease, amylase, and chitinase), and HCN compound production test. Based on the research, 32 rhizobacterial isolates were obtained as candidates for biological agents. All rhizobacterial isolates can suppress the growth of Fusarium fujikuroi in vitro with an inhibition percentage of 19.43-73.53%. The 4 best isolates in suppressing the growth of Fusarium fujikuroi are Kr 2.2 from Kuranji, KG 2.2 from Korong Gadang, PA 2.1 and PA 1.2 from Pasar Ambacang with an inhibition percentage of 60.39-73.53%. The four isolates are also able to produce hydrolysis enzymes (protease, amylase and chitinase) and HCN compounds Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/209 10.25077/jpt.8.2.123-137.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 123-137 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/209/107 Copyright (c) 2024 Zola Puti Rahma, Haliatur Rahma, Eri Sulyanti

oai:ojs.pkp.sfu.ca:article/213 2025-01-10T09:23:17Z jpt:ART

Potential Attack of Rice Field Rat (Rattus argentiventer) on Rice Crops Based on Climate Factors in Karawang Regency, West Java, Indonesia Aprilia, Lupita Koesmaryono, Yonny Priyambodo, Swastiko CLIMEX 4.0 climate change scenario rainfall temperatures The production of rice is closely related to the presence of pests, one of which is the rice field rat (Rattus argentiventer). The development of pests that attack plants is influenced by the dynamics of climate factors, both directly and indirectly. The climate in Karawang Regency is highly suitable for the growth of R. argentiventer. In the rice - rice - intercrop cropping pattern, climate factors have strong influence on the infestation of rice field rats during the intercrop season. Meanwhile, climate factors have low influence during the rice monocrop season. Based on CLIMEX output, the altitude difference in Karawang Regency does not have a significant effect on the environment suitability for the growth and development of rice field rats, allowing them to live in any rice field in Karawang Regency. Based on climate scenarios, the suitability of the climate in Karawang Regency for the potential growth and development of rice field rats is projected to decrease in the 2070s. Increasing temperatures and decreasing rainfall cause the rice field rats to experience dry stress. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/213 10.25077/jpt.8.2.63-77.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 63-77 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/213/102 Copyright (c) 2024 Swastiko Priyambodo, Lupita Aprilia, Yonny Koesmaryono

oai:ojs.pkp.sfu.ca:article/220 2025-03-21T13:58:46Z jpt:ART

How Trichoderma Enhances Plant Defense Enzymes in Food Crops: Current Insights and Future Perspectives in Asia Bagaimana Trichoderma Meningkatkan Enzim Pertahanan pada Tanaman Pangan: Pandangan Saat Ini dan Perspektif Masa Depan di Asia Albana, Hasan Nurbailis, Nurbailis Darnetty, Darnetty Food crops induce systemic resistance plant defense enzymes Trichoderma spp Food crops are plants grown for consumption by humans and animals. These crops face threats from both abiotic and biotic factors. Therefore, environmentally friendly alternative controls, such as enhancing plant resistance using Trichoderma spp, are needed. This systematic literature review provides information on the effects of Trichoderma spp. application on plant physiology, particularly focusing on defense enzymes in food crops in the Asian region. Articles on the effects of Trichoderma application on food crop defense enzymes in Asia were retrieved from PubMed and Scopus. The literature search yielded 3,022 articles from these databases. Four criteria were established for study inclusion: i) studies involving Trichoderma spp.; ii) studies using food crops as the subject; iii) studies conducted in Asia; and iv) studies evaluating at least one defense enzyme activity. In this systemic review, we found at least 100 isolates of Trichoderma spp. that can increase plant resistance, as indicated by the increase of plant defense enzymes in Asia. The studies were mostly reported in India and China. Rice is the most frequently studied crop. The most frequently used is T. harzianum. Meanwhile, the defense enzymes tested are peroxidase, polyphenol oxidase, phenylalanine ammonia-lyase, chitinase, and β-1,3-glucanase. The most commonly used inoculation method is seed treatment in a controlled environment such as a greenhouse. More research on changes in plant enzymes due to Trichoderma spp. application is recommended to assess its effectiveness in practical, real-world settings, especially in field conditions. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/220 10.25077/jpt.8.2.109-122.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 109-122 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/220/106 Copyright (c) 2025 Hasan Albana, Nurbailis Nurbailis, Darnetty Darnetty http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/238 2025-07-19T23:06:46Z jpt:ART

Endophytic Bacteria Consortia as Biocontrol Against Brown Spot Disease (Helminthosporium oryzae) and Growth Promotion in Rice Sulyanti, Eri Resti, Zurai Rahma, Haliatur Darnetty, Darnetty Khairul, Ujang Nurhaliza, Nurhaliza Oktaviani, Silvia Biocontrol consortium disease incidence Serratia spp The brown spot disease (BSD) caused by Helminthosporium oryzae in rice can lead to yield losses of up to 45 %. Using endophytic bacterial consortia as a biological agent is one of the most potential control methods for resisting the disease. This study aimed to obtain an endophytic bacterial consortium with the best efficacy in controlling BSD and its ability to enhance rice plant growth. Statistical analysis in this study was made using Analysis of Variance (ANOVA) with Duncan’s Multiple Range Test (DMRT) in a randomized experimental design comprising five treatments with five replications. The treatments included: A (Serratia marcescens ULG1E4 + S. marcescens JB1E3), B (S. marcescens ULG1E4 + S. marcescens JB1E3 + Serratia marcescens JB1E2), C (Bacillus sp. SJI + Serratia marcescens ULG1E4), D (positive control), and E (negative control). Testing was conducted in planta, with the introduction of the bacterial consortium (10⁸ cells/mL) via seed and root soaking methods. Subsequently, the leaves of 30-day-old rice plants were inoculated with H. oryzae by spraying a conidial suspension of 10⁶ conidia/ml. Parameters observed included disease progression (incubation period, incidence, and severity), seedling growth metrics (height, leaf number, root length, fresh and dry biomass), and overall plant development (plant height, leaf number, and tiller count). The results demonstrated that the consortium of Serratia marcescens ULG1E4, Serratia marcescens JB1E3, and Serratia marcescens JB1E2 effectively controlled BSD, achieving a 53.69% reduction in disease severity and promoted rice plant growth, evidenced by a 30.63% increase in leaf number Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2025-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/238 10.25077/jpt.9.1.1-13.2025 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 9 No. 1 (2025): June 2025; 1-13 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/238/108 Copyright (c) 2025 Eri Sulyanti, Zurai Resti, Haliatur Rahma, Darnetty Darnetty, Ujang Khairul, Nurhaliza Nurhaliza, Silvia Oktaviani http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/243 2025-07-19T23:06:46Z jpt:ART

Toxicity and Developmental Disruption of Piper aduncum Nanoemulsion against Paracoccus marginatus under Laboratory Conditions Andini, Mega Lina, Eka Candra Nelly, Novri Mealybug, botanical pesticide, mealybug, LC95, mortality rate Paracoccus marginatus is one of the important pests that can reduce papaya production. Piper aduncum nanoemulsion has potential as a botanical pesticide to control papaya mealybug (Paracoccus marginatus). This present research was aimed to determine the most effective concentration in suppressing the development of P. marginatus. This study consisted of 6 treatments and 5 replications: 0.33%, 0.43%, 0.57%, 0.75%, 0.99%, and control. The observed parameters were: nymph mortality, adult mortality, daily mortality, adult emergence, LC50, and LC95. The data obtained were analyzed using variance (ANOVA) and 5% Tukey. The LC50, and LC95 value was analyzed using Polo Plus. Piper aduncum nanoemulsion exhibits strong insecticidal activity against nymphs and adults of Paracoccus marginatus under laboratory conditions. Among the concentrations tested, 0.99% was the most effective, causing 81.11% nymph mortality at 72 hours post-application; adult emergence was limited to only 13.33%. The LC₅₀ and LC₉₅ values at 72 hours were 0.506% and 1.222%, reflecting the potency of the nanoemulsion at relatively low doses. Further research under field conditions is recommended to evaluate its efficacy, formulation stability, and safety on non-target organisms. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2025-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/243 10.25077/jpt.9.1.48-57.2025 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 9 No. 1 (2025): June 2025; 48-57 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/243/112 Copyright (c) 2025 Mega Andini, Eka Candra Lina, Novri Nelly http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/247 2025-03-21T14:03:39Z jpt:ART

Acoustic Characteristics of Coconut Leaf Beetle, Brontispa Longissima (Coleoptera: Chrysomelidae) Selvaraj, Ganeshwari Jalinas, Johari Acoustics adult Brontispa longissima Cocos nucifera impulse The coconut beetle, Brontispa longissima (Coleoptera: Chrysomelidae), is a serious pest of coconut trees, where the larvae and adults feed on coconut leaves. This activity produces vibrations that can be detected by acoustic equipment. This study aimed to identify the sound features between larvae and adults using temporal and spectral acoustic detection. Insect samples were collected from infested coconut trees in May 2021 in Penang, Malaysia. Acoustic recording activities were carried out at the Applied Entomology Laboratory using an AED-2010 sensor-preamplifier module. Parameters such as average impulse time, number of impulses, and average activity rate were recorded to examine the temporal aspect. Two parameters used in the spectral analysis were frequency range and dominant frequency (kHz). An Independent two-sample T-test was conducted to compare the mean differences in acoustic parameters between adult and larvae of B. longissima. The results showed that adult B. longissima was more active than larvae. It had higher mean impulse interval time (ms), mean number of impulses, and mean activity rate (impulses/s) than the larvae. However, the results showed that the difference in activity between larvae and adults was insignificant. Furthermore, this acoustic study is critical to understanding the behavior of destructive insects and helps develop more curative and sustainable methods to control B. longissima. Using acoustic methods could assist in evaluating the level of infestation and damaging activity of the insect pest. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2024-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/247 10.25077/jpt.8.2.99-108.2024 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 8 No. 2 (2024): December 2024; 99-108 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/247/105 Copyright (c) 2024 Ganeshwari Selvaraj, Johari Jalinas http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/259 2025-07-19T23:06:46Z jpt:ART

High Parasitism of Telenomus and Trichogramma Species on Spodoptera frugiperda Eggs During Maize Vegetative Stage in Gorontalo, Indonesia Jenis dan Tingkat Parasitasi Parasitoid Telur Spodoptera frugiperda pada Fase Vegetatif Tanaman Jagung Solihin, Angry Pratama Suwatan, Silvany Husain, Indriati Dominance, egg parasitoid, fall armyworm, native, Suwawa district The fall armyworm (Spodoptera frugiperda, Lepidoptera: Noctuidae) is an invasive pest that threatens maize production in Indonesia, particularly during the vegetative stage. This study aimed to identify egg parasitoid species and assess their parasitism levels on S. frugiperda during this critical growth phase in Gorontalo, Indonesia. Field sampling was conducted from February to April 2021 using random sampling of egg masses at three maize fields in Suwawa District. The collected eggs were incubated in the laboratory to observe emergence and identify parasitoids. This study revealed the significant contribution of egg parasitoids—particularly Telenomus sp.—in suppressing S. frugiperda populations during the vegetative stage of maize in Gorontalo, Indonesia. Parasitism rates were remarkably high across all observation periods, ranging from 83.82% to 92.54%, and the emergence of Telenomus sp. consistently exceeded that of Trichogramma sp. These findings demonstrate that native egg parasitoids are already actively controlling S. frugiperda in the field and should be preserved through ecologically sensitive pest management. Avoiding insecticide use during early maize growth stages is essential to maintaining the activity of beneficial parasitoids. The Fall armyworm Spodoptera frugiperda Smith is an invasive insect pest that attacks corn plants in Indonesia. This pest can damage corn plants in the vegetative phase causing crop failure. This research aimed to determine the types of egg parasitoids of the fall armyworm and the parasite level of these egg parasitoids during the maize vegetative stage. This research was carried out from February to April 2021 in Suwawa District, Bone Bolango Regency, Gorontalo Province. In this study, a quantitative descriptive approach was used as the research method. Egg sampling of S. frugiperda was used random sampling. There are two species of S. frugiperda egg parasitoids found in this study, namely Telenomus sp. and Trichogramma sp. The parasitism level resulting from the combination of the two egg parasitoid species of S. frugiperda is remarkably high, ranging from 82.83% to 92.54%. The number of Telenomus sp. parasitoids that hatched ranged from 36.1 to 62.2 individuals, making this species more dominant than Trichogramma sp., which ranged from 4.3 to 6.5 individuals Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2025-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/259 10.25077/jpt.9.1.38-47.2025 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 9 No. 1 (2025): June 2025; 38-47 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/259/111 Copyright (c) 2025 Angry Pratama Solihin, Silvany Suwatan, Indriati Husain http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/266 2025-07-19T23:06:46Z jpt:ART

Potential of Nematophagous Fungi from Kutalimbaru, North Sumatra, Indonesia, as Biological Control Agents to Manage Root Knot Nematodes, Meloidogyne incognita Simanjuntak, Wira Risa Lina Hastuti, Liana Dwi Sri Yurnaliza, Yurnaliza Arthrobotrys thaumasia, biocontrol, indigenous, nematode-trapping fungi, TRK isolate Root-knot nematodes (RKN), especially Meloidogyne incognita, are one of the most damaging and widespread plant-parasitic nematodes (PPNs) in cultivated plants worldwide. The intensive application of chemical nematicides in controlling these pests raises environmental and ecological concerns, prompting the need for sustainable alternatives. This study aimed to isolate and evaluate the predatory potential of indigenous nematode-trapping fungi (NTF) from the rhizosphere soils of healthy tomato plants against M. incognita under in vitro conditions. Soil samples were processed using the soil sprinkle technique, and fungal isolates capable of forming traps were screened by exposing them to second-stage juvenile (J2) of M. incognita. This study isolated 20 nematophagous fungi that have antagonistic activity against M. incognita from the rhizosphere soil of tomato plants. Among these, four isolates were identified as nematode-trapping fungi, with TRK 04 showing the highest predation efficacy, followed by TRK 07, TRK 09, and TRK 16. All four isolates were identified as part of the Arthrobotrys genus. These findings highlight the potential of indigenous nematophagous fungi as sustainable biocontrol agents for managing root-knot nematodes. Their application could support the development of environmentally friendly agricultural practices and reduce reliance on chemical nematicides. Further, in vivo studies are recommended to validate their efficacy under field conditions. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2025-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/266 10.25077/jpt.9.1.26-37.2025 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 9 No. 1 (2025): June 2025; 26-37 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/266/110 Copyright (c) 2025 Wira Risa Lina Simanjuntak, Liana Dwi Sri Hastuti, Yurnaliza Yurnaliza http://creativecommons.org/licenses/by-nc/4.0

oai:ojs.pkp.sfu.ca:article/268 2025-07-23T14:26:04Z jpt:ART

Potential of Novel Bacteria from Sidoarjo Hot Mud for Controlling Potato Soft Rot Caused by Erwinia carotovora Muhidin, Ahmad Hapsari, Femita Qurata Aini, Luqman Akhid Syib’li, Muhammad Rizkyta Kusuma, Restu Antagonistic bacteria biological control BLS10 inhibition Ochrobactrum intermedium Soft rot is an important potato disease caused by the bacterial pathogen Erwinia carotovora. Although chemical bactericides are commonly used for control, biological control using antagonistic bacteria offers a promising and environmentally friendly alternative. Bacteria capable of surviving in extreme environments have been reported to show high efficiency and the ability to withstand various environmental conditions. This study aimed to isolate, evaluate the potential and activity, and identify the molecular basis of novel bacteria from Sidoarjo hot mud against E. carotovora, the causal agent of potato soft rot. The methods used included sample collection, bacterial isolation and screening, inhibition assays against E. carotovora, soft rot suppression assays on potato tubers, molecular identification using 16S rRNA gene sequencing, and antibiosis mechanism testing. Based on the research, 16 bacterial isolates were obtained, of which four isolates (BLS3, BLS6, BLS7, and BLS10) demonstrated antagonistic activity, as evidenced by the formation of clear inhibition zones on nutrient agar medium. Suppression assays further confirmed their ability to significantly reduce soft rot symptoms in potato tubers. Among these, BLS10 isolate exhibited the highest inhibition and suppression activity, with an inhibition zone of 2.03 cm and a soft rot mass of 0.52 grams. Molecular identification based on 16S rRNA gene sequencing showed that isolates of BLS3, BLS6, BLS7, and BLS10 were identified respectively as Bacillus velezensis, Bacillus methylotrophicus, Bacillus amyloliquefaciens, and Ochrobactrum intermedium. All isolates demonstrated a bacteriostatic antibiosis mechanism, indicated by turbidity in peptone water, suggesting inhibition through secondary metabolite production. Plant Protection Department, Faculty of Agriculture, Universitas Andalas 2025-07-03 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/268 10.25077/jpt.9.1.58-71.2025 Jurnal Proteksi Tanaman (Journal of Plant Protection); Vol. 9 No. 1 (2025): June 2025; 58-71 2621-3141 2580-0604 eng https://jpt.faperta.unand.ac.id/index.php/jpt/article/view/268/113 Copyright (c) 2025 Ahmad Muhidin, Femita Hapsari, Luqman Qurata Aini, Muhammad Akhid Syib’li, Restu Rizkyta Kusuma http://creativecommons.org/licenses/by-nc/4.0 7caef6dee1aa84c3a3b896672edfafcc