Trends in Biosciences

A field experiment was conducted during kharif, 2009–2010 at SHIATS, Allahabad (U.P.) to compare the efficacy of insecticides, Spinosad and neem products against brinjal shoot and fruit borer, (Leucinodes orbonalis Guen.) which reveled that Spinosad 45 SC @ 0.01% was found most effective and showed (09.84%) shoot infestation, per cent fruit infestation (06.87% on number basis and 07.35% on weight basis) and increasing yield of brinjal fruit (239.30 q/ha). Whereas, Carbaryl 50 WP @ 0.2% and Endosulfan 35 EC @ 0.05% were also found effective in reducing per cent infestation shoot and fruit infestation and increasing yield. Amongst neem products NSKE 5% was found to be superior in terms of efficacy and yield. However, the increment cost benefit ratio (ICBR) showed that the application of Quinalphos 25 EC @ 0.05% was economically most viable treatment (1:67.86) followed by Endosulfan 35 EC @ 0.05% (1:66.19).