EFFICACY OF NEEM FORMULATIONS FOR THE CONTROL OF CALLOSOBRUCHUS MACULATUS (F.) INFESTING GREEN GRAM {VIGNA RADIATA (L.)} AND THEIR SUBSEQUENT EFFECT ON GERMINATION

Article Id: ARCC4423
Citation :- EFFICACY OF NEEM FORMULATIONS FOR THE CONTROL OF CALLOSOBRUCHUS MACULATUS (F.) INFESTING GREEN GRAM {VIGNA RADIATA (L.)} AND THEIR SUBSEQUENT EFFECT ON GERMINATION.Agricultural Science Digest.2007.(27)
B. Usha Rani and S. Mohan
Address : Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore - 641 003, India

Abstract

Eight neem formulations developed by Tamil Nadu Agricultural University, Coimbatore were evaluated as grain protectant on the seeds of green gram against infestation caused by Callosobruchus maculatus. All the treatments were found to be superior to control. Neem oil 60 EC (C ) at the rate of 10 g /Kg of seeds recorded the lowest infestation of 16.67 per cent damage on four months after treatment, followed by Neem oil 60 EC (A ). The oil formulation was found to be more effective in reducing the pulse beetle infestation than dust formulations. Among the dust formulation, neem seed kernel extract powder was found to be most effective in reducing the pulse beetle infestation. Neem oil at 60 EC (C) at the rate of 10 g/kg recorded the highest germination per cent (70.67 per cent ) than other treatments after four months of storage.

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