Author:
Banerjee A.,Ray Sabyasachi
Abstract
For assessing the integrated strategies towards managing insect pest of green gram the concerned experiment was executed for consecutive three years using two treatments, viz., IPM nodule and Farmer’s practice. In case of IPM module management tactics included seed treatment with fungicide (Tebuconazole 50% + Trifloxystrobin 25%) and insecticide like thiamethoxam, seed dressing with rhizobium, installation of yellow sticky traps, pheromone traps, growing border crops, applying neem based insecticides and need based application of chlorantraniliprole. In case of Farmer’s practice only two round spray of chlorpyriphos + cypermethrin were given. In all the years aphid and spotted pod borer population were significantly less compared to the farmer’s practice (mean aphid population of 2.53 per 10 cm apical twig in IPM plots against 29.37 in Farmer’s practice while pod borer population of 0.77 larva plant-1 in IPM and 4.8 in Farmer’s practice). Natural enemy population was considerably higher in IPM module (5.23 plant-1) compared to the farmer’s practice (1.36 plant-1). Higher incremental benefit cost ratio was also obtained from IPM modules.
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