Evaluation of effect of non-pesticidal methods against shoot and fruit borers of okra in comparison with chemical control

Abstract

The field experiment was carried out to investigate effect of some phototropical, mechanical and botanical control measures in comparison with chemical treatment against okra shoot and fruit borers on okra under field condition during kharif, 2019. The minimum shoot infestation due to Earias vittella were reported in Recommended insecticidal spray (Ist Spray and IIIrd Spray with Imidacloprid 17.8% SL, IInd Spray and IVth Spray with Fenvalerate 20% EC) which was at par with non-pesticidal treatment Removal of infested shoots + Light Traps + NSE (5%) + Yellow sticky trap followed by treatment Light traps + NSE (5%) and Removal of infested shoots + Light traps + Yellow sticky trap. While minimum fruit damage on number as well as weight basis due Earias vittella and Helicoverpa armigera were also observed in above order of treatments.