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VOL. 10, ISSUE 11 (2025)

Study on Bioefficacy of some Herbal extracts as insecticides on Sitophilus oryzae (Coleoptera) of Triticum sphaerococcum

Authors

Diksha Singh, Dr. Kamal Singh

Abstract

The present investigation assessed the bioefficacy of selected plant-derived extracts and synthetic insecticides against Sitophilus oryzae (rice weevil), a primary pest infesting stored cereal grains. The study focused on exploring botanical extracts as environmentally sustainable alternatives to synthetic chemical insecticides for use in integrated pest management of stored produce. Methanolic extracts of Cinnamomum zeylanicum (cinnamon bark), Coriandrum sativum (coriander seeds), Eugenia caryophyllata (clove buds), and Piper nigrum (black pepper) were tested at varying concentrations to determine their effects on adult mortality and progeny suppression of S. oryzae. Results revealed that cinnamon and coriander extracts exhibited the highest insecticidal activity, achieving significant reductions in adult emergence and increased mortality compared to clove and black pepper extracts. The findings reinforce the potential of botanical insecticides as safer, biodegradable, and sustainable alternatives to conventional chemicals in grain protection, thereby contributing to food safety and environmental conservation.

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Pages:97-99

How to cite this article:

Diksha Singh, Dr. Kamal Singh "Study on Bioefficacy of some Herbal extracts as insecticides on Sitophilus oryzae (Coleoptera) of Triticum sphaerococcum". International Journal of Entomology Research, Vol 10, Issue 11, 2025, Pages 97-99

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