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- Title
Study of Insecticidal Activities of Aegle marmelos (Rutaceae) Essential Oil against Pulse Beetle, Callosobruchus chinensis (Coleoptera: Bruchidae).
- Authors
CHAUBEY, MUKESH KUMAR
- Abstract
The essential oil was extracted from green leaves of bel, Aegle marmelos (Family: Rutaceae) by hydrodistillation and investigated for its repellent, insecticidal, ovipositional, and egg hatching inhibition activities against pulse beetle, Callosobruchus chinensis (Coleoptera: Bruchidae). A. marmelos essential oil repelled bruchid adults in choice oviposition assay and also caused both fumigant and contact toxicity in C. chinensis adults. Median lethal concentrations (LC50) were 0.104, 0.097, 0.081, and 0.067 µL/cm3; 0.613, 0.527, 0.421, and 0.354 µL/cm2 in fumigant and contact toxicity assays after 24, 48, 72, and 96 h, respectively. The significant reduction in oviposition potential and viability of eggs was recorded via fumigation at sub-lethal concentrations. In chronic toxicity assay, A. marmelos essential oil reduced grain damage of cowpea seeds and F1 progeny production of the pest due to reduced oviposition and egg hatching. Acetylcholinesterase enzyme activity was also inhibited in adults when fumigated with sub-lethal concentrations of A. marmelos. Findings of the present study suggest that A. marmelos essential oil can be useful as a promising agent in the management of C. chinensis.
- Subjects
BAEL (Tree); FUMIGANTS; ESSENTIAL oils; BRUCHIDAE; RUTACEAE; BEETLES
- Publication
Biopesticides International, 2022, Vol 18, Issue 2, p145
- ISSN
0973-483X
- Publication type
Article