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Toxicity of prirmiphos-methyl and three essential oils, alone and in combination against Callosobruchus maculatus (Fab.)
University Journal of Zoology Rajshahi University
Toxicity of pirimiphos-methyl and three essential oils, viz. cardamom [Elettaria cardamomum (L.) Maton.], cinnamon (Cinnamomum aromaticum Nees) and clove [Syzygium aromaticum (L.) Merr. & Perry]; either singly or in mixture in different ratios were investigated on the cowpea weevil, Callosobruchus maculatus (F.) adults, through residual film bioassay. The LD 50 of pirimiphos-methyl was 0.011 µg cm -2 and that of cardamom, cinnamon and clove oils were 20.68, 12.38 and 16.89 µg cm -2 respectivelydoi:10.3329/ujzru.v28i0.5277 fatcat:nyjodj6ecnen5oo7f7jevrigfu