Relative efficacy of new generation insecticides against sucking insect pests of Green gram

Abstract

A field experiment was conducted to determine the relative efficacy of different newer insecticides against sucking insect pest viz., white fly (Bemisia tabaci), jassid (Empoasca kerri), infesting Green gram at Agronomy Farm, S. K. N. College of Agriculture, Jobner (Rajasthan) during Kharif. The efficacy of eight insecticides tested against insect pest of green gram revealed that acetamiprid (0.004%) proved to be the most effective followed by imidacloprid (0.005%) and fipronil (0.01%). The treatments of thiamethoxam (0.005%) and dimethoate (0.03%) stood in middle order of efficacy followed by the treatments of spiromesifen (0.001%) and fenpropathrin (0.05%) which were proved to be least effective against insect pest of green gram. The total avoidable loss and percent avoidable loss was found to be zero in the treatment of acetamiprid (0.04%), whereas, maximum in spiromesifen (0.001%).