Comparative Efficacy and Economics of Selected Chemicals and Biopesticides against Pod Borer Helicoverpa armigera (Hubner) on Chickpea (Cicer arietinum L.)

The research work was undertaken at Central Research Farm (CRF) Sam Higginbottom University of Agriculture Technology and Sciences, SHUATS, Naini, Prayagraj during winter Season of 2023-24. The treatments consists of eight including control viz, Beauveria bassiana 1.15% WP, Chlorantraniliprole 18.5 SC, Emamectin benzoate 5 SG, Bacillus thuringiensis 1x109 CFU/ml, Azadirachtin 00.03% WSP, NSKE 5%, Spinosad 45 SC and untreated control arranged in Randomized Block Design (RBD) with three replications targeting to evaluate the efficacy of selected insecticides on the larval population of H. armigera on Chickpea. The larval population of gram pod borer, Helicoverpa armigera on third, seven and fourteen days after spray revealed that among all the treatment Chlorantraniliprole 18.5 SC found superior with larval population of (1.05), and with highest cost benefit ratio (1:3.78 ), followed by Emamectin benzoate 5 SG with a larval population of (1.17) and cost benefit ratio (1:3.53), Spinosad 45 SC with a larval population of (1.24) and cost benefit ratio (1:3.16), Beauveria bassiana 1.15 % WP with a larval population of (1.32) and cost benefit ratio (1:3.00), Bacillus thuringiensis 1x109 CFU/ml with a larval population(1.35) and cost benefit ratio (1:2.76), Azadirachtin 00.03% WSP with a larval population(1.42) and cost benefit ratio (3.49, 1:2.25), NSKE 5% with a larval population (1.47) and cost benefit ratio (1:1.77), NSKE 5% was least effective among the treatments and control plot with a larval population (2.07) and cost benefit ratio (1:1.51).