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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2020, Vol. 8, Issue 5
Evaluation of eight plant oils against pulse beetle, Callosobruchus chinensis Linnaeus (Bruchidae: Coleoptera) in chickpea under storage conditions

MK Chakravarty, SJ Prasanthi, SK Jha and Rajesh Kumar

Experiment was conducted under storage conditions to evaluate the efficacy of eight plant oils viz.,. Neem oil (Azadirachta indica), Sesame oil (Sesamum indicum), Clove oil (Syzium aromaticum), Castor oil (Ricinus communis), Mahua oil (Madhuca longifolia), Coconut oil (Cocos nucifera), Mustard oil (Brassica juncea), and Karanj oil (Pongamia pinnata) at 0.25, 0.50, and 1.0 per cent concentrations against pulse beetle, Callosobruchus chinensis L. in chickpea. Altogether five parameters namely parent mortality, fecundity, emergence of F1 progeny, developmental period and weight loss were considered to determine the efficacy. The results revealed that the efficacy of oils was directly proportional to the concentration applied and all the treatments were significantly superior to control. Amongst various oils, the maximum adult mortality (63.89 & 61.89%), minimum oviposition (10.00 & 22.44 eggs/20g seed) and F1 adult emergence (12.20 & 15.43%), and delayed developmental period (67.67 & 48.84 days) have been observed in the seeds treated mahua and neem oils, respectively. All the oils have extended protection to chickpea seeds up to 3 months after treatment. Minimum weight loss was found in the chickpea seeds treated with mahua (1.78%) and mustard (2.81%) oils followed by neem oil (3.15%).
Pages : 1262-1267 | 580 Views | 302 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
MK Chakravarty, SJ Prasanthi, SK Jha, Rajesh Kumar. Evaluation of eight plant oils against pulse beetle, Callosobruchus chinensis Linnaeus (Bruchidae: Coleoptera) in chickpea under storage conditions. J Entomol Zool Stud 2020;8(5):1262-1267.

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