BIO EFFICACY OF NEW INSECTICIDES/BOTANICALS AGAINST MAJOR SUCKING INSECT PESTS OF CLUSTER BEAN

摘要

The efficacy of new insecticides/botanicals against major sucking insect pests viz., jassids and whitefly in cluster bean weredetermined. Seven insecticides and two botanicalstfc, imidacloprid 17.8 SL, acetamiprid 20 SP, thiamethoxam25 WG, dimethoate30 EC, profenophos 50 EC, acephate 75 SP, fipronil 5 SC, azadirachtin 0.03 EC and neem oil were sprayed based on ETL in order to ascertain themortality of the pests of clusterbean sown at Research Farm, College of Agriculture, Bikaner, Rajasthan during kharif 2012. All the treatments are superior to untreated check. Among the treatments one day after spraying, revealed that imidacloprid (0.005%), acetamiprid (0.004%) and thiamethoxam (0.005%) were found highly effective against jassid whereas, acetamiprid (0.004%), imidacloprid (0.005%) and thiamethoxam (0.005%) were found highly effective against whitefly.The treatments of fipronil (0.01%), acephate (0.05%), dimethoate (0.03%) and profenophos (0.05%) showed medium order of effectiveness, whereas, NSKE(5.0%) proved least effective followed by azadirachtin (5ml/l The similar trend was also observed even at one, three, seven and ten days after spray.