MANAGEMENT OF SORGHUM SHOOT FLY, ATHERIGONA SOCCATA RONDANI (DIPTERA:MUSCIDAE) THROUGH BOTANICALS

Abstract

Efficacy of botanicals against shoot fly showed that three sprays (7th, 14th and 21st day after germination) of neem oil (2%) depicted oviposition of 50.79, 41.61 and 38.22 percent and in karanj oil (2%) of 54.83, 44.01 and 41.15, respectively found significantly superior to all other treatments. Nirgundi oil (2%) was found as the next effective. With respect to dead heart, neem oil (2%) showed 22.66 and 23.94 per cent while in karanj oil (2%) 23.29 and 25.13 per cent at 21st and 28th day after germination, respectively. The maximum grain yield of 32.22 q/ha and the highest Cost Benefit Ratio of 1: 1.61 was recorded from neem oil (2%) treated plots.