N. Sujith and Anoorag R. Tayde*
Department of Entomology,Naini Agricultural Institute,
Sam Higginbottom University of Agriculture, Technology and Sciences,
Prayagraj-211007, India.
Email: anurag.tayde@shiats.edu.in
Received-06.04.2023, Revised-17.04.2023, Accepted-28.04.2023
Abstract:A field investigation was carried out in Kharifseason of 2022-2023 at Cental Research Farm (CRF), Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India. The experiment was laid in Randomized Block Design with eight treatments each replicated thrice viz.,Neem oil 2% 20ml/lit, Azadirachtin 0.3% + Imidacloprid17.8% SL 1000ppm/ha + 5ml/lit, Neem oil 2% + Imidacloprid 17.8%SL 20ml/lit + 5ml, Imidacloprid 17.8% SL 5ml/lit, Azadirectin 0.3% 1000ppm/ha, Emamectin benzoate 5 % SC 200gm/ha, NSKE 5% 50ml/litare the treatments used in this experiment.Result revealed that among the botanicals and insecticides lowest percent infestation of maize stem borer was recorded in Azadirachtin 0.3% + Imidacloprid 17.8% SL (7.23%), Neem oil 2% + Imidacloprid 17.8% SL (9.75%) was found to be next best treatment followed by Imidacloprid 17.8% SL (10.75%),Emamectin benzoate 5% SC (11.78%), were found to be effective against Maize stem borer (Chilopartellus),nextbettertreatmentinordertosuperioritywereAzadirectin 0.3% (12.76%), Neem oil 2% (13.46%), NSKE 5% (14.98%) and control (26.25%).The highest yield and cost benefit ratio was recorded withAzadirachtin 0.3% + Imidacloprid 17.8% SL (42.72 q/ha),(1:1.70), followed by Neem oil 2% + Imidacloprid 17.8% SL (40.80 q/ha),(1:1.60), Imidacloprid 17.8% SL (37.44 q/ha),(1:1.46), Emamectin benzoate 5% SC (34.79q/ha),(1:1.39), Azadirectin 0.3% (31.68 q/ha),(1:1.28), Neem oil 2% (28.54 q/ha),(1:1.32), NSKE 5% (26.49 q/ha),(1:1.11) and control (23.57 q/ha), (1:0.9).
Keywords: Botanicals, Chilopartellus, chemicals, Efficacy, Maize
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