J. K GUPTA and ASHOK BHATNAGAR

Field experiments were conducted under shade net house at Hi-Tech Horticulture farm, Rajasthan Agricultural Research Institute (Sri Karan Narendra Agriculture University, Jobner) Durgapura, Jaipur, (Rajasthan) to study the bio-efficacy of new insecticide molecules against the aphid (Aphis gossypii Glover) on capsicum during summer 2014 and 2015. Among the insecticides evaluated, imidacloprid 17.8 SL (0.0058%) was the most effective treatment recording highest (79.91%) reduction of aphid population,
followed by fipronil 5 SG (0.005%) with 76.32 per cent reduction, acephate 0.075 per cent (69.56%) and emamectin benzoate 0.002 per cent (66.55%); whereas, NSKE (5%) and novaluron (0.01%) recorded the lowest reduction of aphids, being 40.7 and 43.0 per cent, respectively.