Aulia, Rizki (2025) Efikasi Cendawan Entomopatogen sebagai Agensi Hayati dalam Mengendalikan Spodoptera frugiperda J.E. Smith (Lepidoptera:Noctuide). S2 thesis, UNIVERSITAS JAMBI.
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Abstract
Abstrak Spodoptera frugiperda J.E. Smith merupakan hama polifag yang mengancam produksi jagung di Provinsi Jambi. Penelitian ini bertujuan untuk mengevaluasi efikasi cendawan entomopatogen sebagai agen hayati dalam mengendalikan populasi S. frugiperda. Metode yang digunakan meliputi pengujian patogenesitas tujuh isolat cendawan, yaitu Beauveria bassiana, Metarhizium anisopliae, Lecanicillium lecanii, dan Trichoderma sp., dengan fokus pada mortalitas larva dan parameter reproduksi. Hasil penelitian menunjukkan bahwa B. bassiana (Jatisari) mencapai mortalitas larva tertinggi sebesar 51,25% pada konsentrasi 106 konidia/mL. Aplikasi cendawan ini tidak berpengaruh signifikan terhadap ukuran telur dan periode oviposisi S. frugiperda. B. bassiana (isolasi Jatisari) menunjukkan efikasi tertinggi pada larva (mortalitas hingga 84% pada konsentrasi 10⁹ konidia/ml), meningkat dengan peningkatan konsentrasi spora dan aplikasi ganda. Meskipun pengaruh pada imago tidak signifikan, pengurangan populasi larva menunjukkan potensi B. bassiana sebagai agen hayati efektif untuk pengendalian S. S. frugiperda Kata Kunci : Spodoptera frugiperda, Cendawan entomopatogen, Pengendalian hayati Abstract Spodoptera frugiperda J.E. Smith is a polyphagous pest threatening corn production in Jambi Province. This study aims to evaluate the efficacy of entomopathogenic fungi as biological agents in controlling S. frugiperda populations. The methods involved testing the pathogenicity of seven fungal isolates, including Beauveria bassiana, Metarhizium anisopliae, Lecanicillium lecanii, and Trichoderma sp., focusing on larval mortality and reproductive parameters. The results indicated that B. bassiana (Jatisari) achieved the highest larval mortality of 51.25% at a concentration of 106 conidia/mL. The application of this fungus did not significantly affect the egg size and oviposition period of S. frugiperda. B. bassiana (Jatisari isolate) showed the highest efficacy on larvae (mortality up to 84% at a concentration of 10⁹ conidia/ml), increasing with increasing spore concentration and multiple applications. Although the effect on adults was not significant, the reduction in larval population showed the potential of B. bassiana as an effective biological agent for controlling S. frugiperda. In conclusion, the use of entomopathogenic fungi, particularly B. bassiana, is an effective alternative for the biological control of S. frugiperda. Keywords : Spodoptera frugiperda, Entomopathogenic fungi, Biological control
| Type: | Thesis (S2) |
|---|---|
| Uncontrolled Keywords: | Spodoptera frugiperda, Entomopathogenic fungi, Biological control |
| Subjects: | L Education > L Education (General) |
| Divisions: | Pascasarjana > Agroekoteknologi |
| Depositing User: | RIZKI AULIA |
| Date Deposited: | 15 Jul 2025 07:26 |
| Last Modified: | 03 Aug 2025 09:56 |
| URI: | https://repository.unja.ac.id/id/eprint/84413 |
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