Improving the quality and toxicity of rice husk liquid smoke to control edamame soybean pests

Purpose of the research to improve the quality and toxicity of husk charcoal liquid smoke which is effective and selective in controlling edamame soybean plant pests, safe for predatory and pollinators arthropods, and does not contain the dangerous compound Benzo(a)pyrene. The resulting product can...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2024-05, Vol.1338 (1), p.12045
Main Authors: Syarief, M, Erdiansyah, I, Utami, C D, Arini, S F M
Format: Article
Language:English
Subjects:
Arthropods
Benzo(a)pyrene
Bioassays
Charcoal
Distillation
Dominance
Field tests
Imidacloprid
Insecticides
Insects
Pest control
Pests
Pollinators
Predators
Pyrene
Pyrolysis
Smoke
Soybeans
Toxicity
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Summary:Purpose of the research to improve the quality and toxicity of husk charcoal liquid smoke which is effective and selective in controlling edamame soybean plant pests, safe for predatory and pollinators arthropods, and does not contain the dangerous compound Benzo(a)pyrene. The resulting product can be used as a substitute for synthetic insecticides which are non-selective and unsafe for predators, pollinators and human health. The technique used was to set the temperature of the pyrolysis process between 200-300°C to produce grade 3 and distillation of grade 3 to grade 2 with a temperature of 80-100°C. Research was carried out at Jember State Polytechnic, from August to September 2023. The observation parameters were content of grade 3 and grade 2 compounds using GCMS, Bioassay tests against S. litura 3 rd instar using concentrations of 0%, 1%. 2%, 3%, 4% and 5% each for 10 test insects, with 3 repetitions, using the feed immersion method. LC 50 and LC 95 test used PoloPlus 1.0. Field tests compared arthropod diversity, grade 3, grade 2 and Imidacloprid treatments, using the Kruskal-Wallis test. The diversity index uses the Shannon-Wiener (H’) and Sympson Dominance Index (C’) formulas. Conclusion LC 95 grade 3 was 3%, Grade 2 was 4%. Both were not found Benzo(a)pyrene. The grade 3 pest population was not significantly different compared to Imidacloprid. Grade 3 and grade 2 predators and pollinators were higher than Imidacloprid, the diversity of Grade 3, grade 2 and Imidacloprid treatments were moderate diversity, balanced ecosystem and no species dominance found.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1338/1/012045