Comparative efficacy of Beauveria bassiana and NSKE against diamondback moth (Plutella xylostella L.) on cabbage (Brassica oleracea L.)

Abstract

The field experiment was conducted during Rabi season of 2014-2015 at the central research farm of Sam Higginbottom Institute of Agriculture Technology and Sciences, Deemed-to-be-University, Allahabad. Evaluated the efficacy of different doses of Beauveria bassiana and NSKE against Diamond Back Moth (Plutella xylostella). Observed that the maximum reduction per cent of Beauveria bassiana 6% (57.79%) as compared to treated (cypermethrin 25 EC) and untreated control (60.85% and 0.00% respectively). The maximum yield and cost benefit ratio was recorded in Beauveria bassiana 6% (234.87 q/ha and 1:6.42) as compared to treated and untreated control (258.36 q/ha, 1:6.67 and 98.46 q/ha 1:2.78 respectively).