Comparative Efficacy of Selected Chemicals with Biopesticides against Yellow Stem Borer, Scirpophaga Incertulas (Walker) on Paddy (Oryza sativa L.)

The experiment was conducted at the research plot of Department Entomology Central Research Farm (CRF), Sam Higginbottom University Agriculture, Technology And Sciences, Prayagraj, during Kharif season 2022. laid out in a Randomized Block Design (RBD) with three replications, seven treatments and untreated control were evaluated against, Scirpophaga incertulas i.e., Chlorantraniliprole 0.4% G @ 10kg/ha, Spinosad 45% SC 200ml/ha, Acephate 75% SP 650gm/ha, Emamectin benzoate 5% SG 220gm/ha, Bacillus thuringiensis 2ⅹ108 CFU 1000gm/ha, Neem oil 5lit/ha, Karanj 5lit/ha Control. Among different chemicals biopesticides, lowest per cent dead hearts white ears recorded (4.24%), followed by (4.54%) (4.94%). next best found to be (5.50%), (5.71%), (5.99%), (7.0%) highest heart % infestation (Walker) treatment (14.00%). yield cost benefit ratio (69.33 q/ha) (1:4.7) (62.16 (1:3.5), (48.33 (1:3.9), (41 (1:3.47), (37.66 (1:2.47), (29.33 (1:1.87), (22.77 (1:1.8).