Vol. 11, Special Issue 6 (2022)

Author(s):
Mohammad Ruksana and Ashwani Kumar

Abstract:
The current study was carried out at Central Research Farm, SHUATS, Naini, Prayagraj, U.P. during rabi season of 2021-22. Two applications of seven insecticides were used against Helicoverpa armigera and the result revealed that Spinosad 45% SC had lowest fruit infestation with 1.77 and 1.33 followed by Indoxacarb 14.5% SC (1.88 and 1.39), Emamectin benzoate 5% SG (1.97 and 1.48), Profenofos 50% EC (2.08 and 1.57), HaNPV (2.17 and 1.70), Neem oil (2.24 and 1.79) and Bacillus thuringiensis var. kurstaki (2.28 and 1.18) respectively as compare to control (water spray) 3.71 and 6.10. Cost benefit ratio were found highest in Spinosad 45% SC 1:8.33, followed by Indoxacarb 14.5% SC (1:8.20), Emamectin benzoate 5%SG (1:8.16), T6 Profenofos 50%EC (1:7.07), HaNPV (1:6.33), Neem oil (1:5.87), Bacillus thuringiensis var. kurstaki (1:5.60), and Control (1:5.43).