Bio-Efficacy Study of Different Insecticides Against Helicoverpa armigera (Hub.) Infesting Chickpea

Experiments on bio-efficacy of different insecticides against Helicoverpa armigera (Hub.) infesting chickpea were carried out during rabi season of 2010–11 and 2011–12. Results of experiments showed that the most effective insecticide against larvae of H. armigera was chlorantraniliprole 0.006 per cent (0.10 larva/plant) followed by emamectin benzoate (0.12 larva/plant) and flubendiamide 0.01 per cent (0.15 larva/plant). Pod damage at harvest was lowest in the treatment of chlorantraniliprole 0.006 per cent (0.46%) followed by flubendiamide 0.01 per cent (1.02%). The treatment of chlorantraniliprole 0.006 per cent recorded the highest grain yield (2511 kg/ha) followed by emamectin benzoate 0.0025 per cent (2427 kg/ha) and flubendiamide 0.01 per cent (2425 kg/ha).