Browsing by Author "Rao, D S"
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Item Toxicity of insecticides against populations OE Amrasca Biguttula biguttula (Ishida) infesting bittergourd from four districts of Kerala(Kerala Agricultural University, 1994) Sabitha, R; Sosamma Jacob; Rao, D SA study was undertaken to assess the relative toxicity of five insecticides against different populations of Amrasca Iriguttula bigiittula collected from four districts of Kerala. Variations were observed in the toxicity of insecticides against different populations.