Evaluation of IPM modules for the management of Leucinodes orbonalis in brinjal
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Keywords:Brinjal, Leucinodes orbonalis, IPM module
Field experiments were carried out to evaluate the performance of some IPM modules against Leucinodes orbonalisÂ Guene on brinjal at Keonjhar district of Odisha during Kharif 2009 and 2010. The findings of the two yearsÂ experiments revealed that the IPM module comprising of soil application of cartap hydrochloride 4 G @ 1 kg a.i./Â ha at 2 weeks of transplanting, intercropping with coriander in 3:1 ratio, alternate foliar spray of indoxacarbÂ 14.5 SC @ 1 ml/l of water and rynaxypyr 20 SC @ 0.35 ml//l of water at 10 days interval twice at vegetative stageÂ and six times commencing from fruiting stage and regular collection and destruction of infested shoots and fruitsÂ was found to be highly effective in minimizing the infestation of L. orbonalis with 84.11, 77.06, and 77.44 per centÂ reduction in shoot, flower bud and fruit damage respectively, over the farmersâ€™ practice of indiscriminate applicationÂ of different insecticides. This module resulted in the highest marketable fruit yield (231.02 q/ha) and maximum netÂ return of Rs. 1,09,878.00 per hectare.
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