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Management of Root Rot Disease in French Beans (Phaseolus vulgaris) by using Microbial Consortium
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Root rot disease of beans is caused by Rhizoctonia solani. Biocontrol agents were tested for their antagonistic activity against ischolar_main rot pathogen Rhizoctonia solani. Among the tested isolates, Trichoderma viride recorded the maximum (86.04 %) inhibition on the mycelial growth of pathogen followed by Pseudomonas fluorescence which recorded 79.12 per cent inhibition on the mycelial growth. Treatment with (SA+ST with P. fluorescens + T. viride) + Neem cake was recorded maximum (78.55%) disease reduction in the field condition with the yield of 2654 kg/acre. Combined application of biocontrol agents having ability to reduce ischolar_main rot disease in French bean and increase the yield siginificantly.
Keywords
Beans Root Rot, Rhizoctonia solani, Trichoderma sp., Pseudomonas sp., Biological Control.
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