Field efficacy of seven insecticides against Chilo partellus (Swinhoe) on maize (Zea mays L.) in Allahabad

Abstract

A field experiment was conducted during kharif, 2016 at SHUATS, Allahabad (U.P.) to compare the efficacy of selected insecticides against Chilo partellus (Swinhoe) on maize (Zea mays L.) in Allahabad. All the seven treatments Carbofuran (7.70%), followed by Cypermethrin (9.86%) and Fipronil (13.38%) are at par with each other, followed by Indoxacarb (14.44%), Cartap recorded (15.37%), Profenophos (17.63%) then the treatment Imidacloprid (19.47%) was least effective reduced the infestation as compared to the untreated control. Result revealed that all the treatments were significantly superior over control among all the treatments Carbofuran recorded highest reduction of Chilo partellus (Swinhoe) population i.e. (7.70%) which was significantly superior over control followed by followed by Cypermethrin (9.86%) and Fipronil (13.38%) are at par with each other, followed by Indoxacarb (14.44%), Cartap recorded (15.37%), Profenophos (17.63%) then the treatment Imidacloprid (19.47%) was least effective among all the treatments. Among the treatment studied, the best and most economical treatment was T3 Carbofuran (1:1.91), followed by T5 Cypermethrin (1:1.88), T2 Fipronil (1:1.70), T1 Indoxacarb (1:1.59), T4 Cartap (1:1.41), T6 Profenophos (1:1.32), T7 Imidacloprid (1:1.20) as compared to T0 Control (1:1.11).