Aktivitas Insektisida Campuran Ekstrak Air Buah Piper aduncum L. (Piperaceae) dan Batang Cymbopogon ciratrus (Dc.) Stapf (Poaceae) Terhadap Larva Crocidolomia pavonana F. (Lepidoptera: Crambidae)

  • Eka Candra Lina Universitas Andalas
  • Adventus Supriadi
  • Yunisman Yunisman Universitas Andalas
  • Martinius Martinius Universitas Andalas
DOI: https://doi.org/10.25077/jpt.1.1.34-41.2017

Abstract

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.

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Published
2018-03-28
How to Cite
LINA, Eka Candra et al. Aktivitas Insektisida Campuran Ekstrak Air Buah Piper aduncum L. (Piperaceae) dan Batang Cymbopogon ciratrus (Dc.) Stapf (Poaceae) Terhadap Larva Crocidolomia pavonana F. (Lepidoptera: Crambidae). Jurnal Proteksi Tanaman, [S.l.], v. 1, n. 1, p. 34-41, mar. 2018. ISSN 2621-3141. Available at: <http://jpt.faperta.unand.ac.id/index.php/jpt/article/view/12>. Date accessed: 23 apr. 2024. doi: https://doi.org/10.25077/jpt.1.1.34-41.2017.
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Vol 1 No 1 (2017): June 2017
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Articles
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