Virulence of Entomopathogenic Fungi Beauveria bassiana against Spodoptera litura (Lepidoptera: Noctuidae) after Exposure to Ultra Violet Light

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  • Trizelia Trizelia
  • Nurbailis Nurbailis
  • Cherly Yugu Tanca
DOI: https://doi.org/10.25077/jpt.2.2.58-64.2018

Abstract

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).

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Published
2018-12-10
How to Cite
TRIZELIA, Trizelia; NURBAILIS, Nurbailis; TANCA, Cherly Yugu. Virulence of Entomopathogenic Fungi Beauveria bassiana against Spodoptera litura (Lepidoptera: Noctuidae) after Exposure to Ultra Violet Light. Jurnal Proteksi Tanaman, [S.l.], v. 2, n. 2, p. 58-64, dec. 2018. ISSN 2621-3141. Available at: <http://jpt.faperta.unand.ac.id/index.php/jpt/article/view/36>. Date accessed: 25 apr. 2024. doi: https://doi.org/10.25077/jpt.2.2.58-64.2018.
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Vol 2 No 2 (2018): December 2018
Section
Articles
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