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American Journal of Biochemistry and Molecular Biology
  Year: 2014 | Volume: 4 | Issue: 2 | Page No.: 76-85
DOI: 10.3923/ajbmb.2014.76.85
Effectiveness of Three Plant Oils in Binary Mixtures with Pyridalyl, Abamectin, Spinosad and Malathion Against Callosobruchus maculatus (F.) Adults
M.A.A. Abd El-Razik and G.M.M. Zayed

Abstract:
Toxicity of pyridalyl, abamectin, spinosad and malathion and three plant oil sviz. corn oil (Zea maize) sun flower oil (Helianthus annus ) and sesame oil (Sesamum indicum) either singly or as binary mixtures in different mixing ratios were investigated on the cowpea weevil Callosobruchus maculates (F.) adults through residual film bioassay. The LC50 of pyridalyl, abamectin, spinosad and malathion were 79663.06, 19964.04, 11380 and 884 ppm and that of corn oil sun flower oil and sesame oil were 4.452E+5, 5.064 E+5 and 17729.27 ppm, respectively after 9 days post treatment. The four insecticides were tested in binary mixtures with the three plant oils at mixing ratios of 99:195:5 and 90:10 (insecticide:oil). All plant oils when combined with pyridalyl and abamectin proved to have synergistic effect against C. maculatus adults except at 95:5 and 90:10 mixing ratios (abamectin+sun flower oil) exhibited antagonistic effect. On the other hand antagonistic effect was achieved when spinosad and malathion were mixed with the tested plant oils except at 95:5 mixing ratio for spinosad+sesame oil which evoked synergistic effect.
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How to cite this article:

M.A.A. Abd El-Razik and G.M.M. Zayed, 2014. Effectiveness of Three Plant Oils in Binary Mixtures with Pyridalyl, Abamectin, Spinosad and Malathion Against Callosobruchus maculatus (F.) Adults. American Journal of Biochemistry and Molecular Biology, 4: 76-85.

DOI: 10.3923/ajbmb.2014.76.85

URL: https://scialert.net/abstract/?doi=ajbmb.2014.76.85

 
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