International Journal of Entomology Research

International Journal of Entomology Research


International Journal of Entomology Research
International Journal of Entomology Research
Vol. 5, Issue 3 (2020)

Determination of residual effect of spinosad against the pulse beetle, C. chinensis L


Pronita Mondal, Mohammad Mahir Uddin, Mohammad Tofazzal Hossain Howlader

The residual toxicity of spinosad against the pulse beetle, Callosobruchus chinensis L was evaluated under laboratory condition by treating chickpea seeds stored up to 6 weeks. Mortality, oviposition rate, number of adults emerged, percent seed infestation and weight loss was evaluated by releasing adults of C. chinensis after each week of storage. Mortality percentages at one and two weeks of storage periods indicated that the 1000 ppm spinosad possessed the highest residual effect on C. chinensis at 96 hours after insect release (HAIR) which remained statistically almost same up to five weeks of storage of chickpea and 76.67% was found after six weeks of storage which was statistically significant. Spinosad also exerted residual effects on oviposition rate, number of adults emerged, percent seed infestation and percent weight loss. It was found that the residual effect of spinosad decreased with the increase of storage period. Considering the above findings, it can be concluded that spinosad could be suggested for the management of C. chinensis in storage.
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How to cite this article:
Pronita Mondal, Mohammad Mahir Uddin, Mohammad Tofazzal Hossain Howlader. Determination of residual effect of spinosad against the pulse beetle, C. chinensis L. International Journal of Entomology Research, Volume 5, Issue 3, 2020, Pages 176-183
International Journal of Entomology Research International Journal of Entomology Research