Author(s):

Zeeshan N and Kudada N

Abstract: A field trial was conducted during Rabi, 2015-16 cropping seasons. An attempt was made to find out the cost effective management schedule to minimize the crop loss. Seven plant products viz., Neem (Azadirachta indica L.) oil 0.03% 5ml/lit. Neem (Azadirachta indica L.) Seed Kernel Extract (NSKE) 5 % @ 5ml/lit. Karanj (Pongamia pinnata L.) oil @ 5ml/ lit. Nimbicidine 0.03% @ 3ml/lit., Achook 0.03% @ 3ml/lit., Neem gold 0.15 % @ 2ml/lit. and Nimactin 0.15% @ 2ml/lit. were evaluated against vector activity to reduce the leaf curl disease incidence. The minimum disease incidence was recorded to the extent of (23.45%) coupled with highest fruit yield of 64.45 q/ha in the treatment T2 having two sprayings of NSKE 5% @ 5ml /lit. at an interval of ten days during Rabi, 2015-16 cropping season. Maximum disease incidence (35.45%) in control with lowest yield (48.00/ha). Infection by chili leaf curl disease complex adversely affected yield attributing characters during Rabi season. Highest cost-benefit ratio of 1:17.13 was obtained by two sprayings of NSKE 5% @ 5ml/lit. During Rabi crop season.

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