author(s)
J Manjunath and S Jaffarbasha

abstract
An experiment was conducted for three seasons at Regional Agricultural Research Station. Nandyal. Comparative efficacy of insecticides, viz Rynaxpyr 0.3ml/l, Spinosad 0.25ml/l, Novaluron 1ml/l, Emamectin benzoate 0.4gm/l and Chlorpyriphos 2.5ml of water against Spodoptera litura was carried out. All three insecticides Rynaxpyr 0.3ml/l, Spinosad 0.25ml/l, Novaluron 1ml/l, Emamectin benzoate 0.4gm/l and Chlorpyriphos 2.5ml, had non-significant difference among themselves in reducing the larval population of Spodoptera litura. at 3, 5 and 7 following the application of the insecticides. Rynaxpyr 0.3ml/l, Emamectin benzoate 0.4gm/l in reducing number of larvae on the basis of pre-spray data. Toxicity of Rynaxpyr 0.3ml/l, Emamectin benzoate 0.4gm/l and Spinosad 0.25ml/l was discussed.