Efficacy of Natural Products Against Lesser Grain Borer Rhyzopertha dominica (F.) In Stored Paddy


  • Ramalakshmi V Department of Entomology, M. S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Parlakhemundi 761211, Odisha.
  • C. R. Satapathy Department of Entomology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha
  • Shimantini Borkataki Department of Entomology, Assam Agricultural University, Jorhat 785013, Assam
  • Soumik Ray Department of Agricultural Economics and Statistics, M. S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Parlakhemundi 761211, Odisha
  • Dinkar Gaikwad Department of Plant Physiology, M. S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Parlakhemundi 761211, Odisha.




Natural products, Rhyzopertha dominica, stored paddy, adult mortality, weight loss, grain damage, population buildup, cow dung products, antifeedant.


Twelve phyto products and two forms of cow dung were evaluated during 2021- 22 in the Entomology Research Laboratory, M S Swaminathan School of Agriculture, Centurion University of Technology and Management, Gajapati District of Odisha for their efficacy against Rhyzopertha dominica (F) in stored paddy. The experiment was laid out in a completely randomized design with each treatment replicated thrice. Individual treatments comprised 20 g disinfested paddy seeds treated with test products @ 5g/ kg seed separately and an untreated check and inoculated with 20 adults /treatment. All the treatments were effective in suppressing the R. dominica, with maximum adult mortality (92.1%) being in black pepper powder followed by custard apple seed powder (88.4%) at 28 days after release. The least population buildup (2 adults), grain damage (3.3%), and weight loss (2.7%) were observed with black pepper powder treated paddy at 120 days after storage.


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How to Cite

V, R., Satapathy, C. R., Borkataki, S., Ray, S., & Gaikwad, D. (2024). Efficacy of Natural Products Against Lesser Grain Borer <i>Rhyzopertha dominica</i> (F.) In Stored Paddy. Indian Journal of Entomology, 86(2), 599–602. https://doi.org/10.55446/IJE.2024.1666



Research Communications


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