Abstract
A field experiment was conducted at Student's Instructional Farm of N.D.U.A. & T. Kumarganj, Faizabad (U.P.) during kharif 2006 and 2007 to evaluate the efficacy of Neem Seed Kernel Extract @ 5%, Neem Leaf Extract @ 2%, Karanj Seed Kernel Extract @ 5%, Mahuwa oil @ 2%, Neem oil @ 2%, Nimbecidine @ 0.15% and Endosulfan 35 EC @ 0.07% for the management of Antigastra catalaunalis (Dup.). The efficacy of Endosulfan 35 EC @ 0.07% was highest (per cent reduction in population) followed by N.S.K.E.>Neem Leaf Extract>Neem oil>Nimbecidine>K.S.K.E.>Mahuwa oil in decreasing order during both the years. The highest seed yield was obtained in treatment of Endosulfan (7.68 q/ha) followed by N.S.K.E. (6.21 q/ha) and Neem Leaf Extract (5.92 q/ha). The highest additional income was found in Endosulfan (Rs. 11 552/ha) followed by N.S.K.E. (Rs. 6 848/ha) and Neem Leaf Extract (Rs. 5 904/ha). The maximum cost benefit ratio was found in Endosulfan (1:12.94) and N.S.K.E. (1:9.30).
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