COMPARATIVE EFFICIENCY OF MANAGEMENT PRACTICES ON STEM AND POD ROTS OF GROUNDNUT
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Authors
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M. R. ASGHARI AND C. D. MAYEE
Department of Plant Pathology, Marathwada Agricultural University,
Parbhani 431 402
Keywords:
Crop rotation, Biocontrol, Stem rot, Pod rot of groundnutAbstract
Onion and garlic crop rotation with groundnut, application of Trichoderma harzianum Rifai and carbendazirn drenching (0.2 per cent) effectively protected groundnut from damage by Sclerotium rol/sii Sacc. The stem rot incidence was reduced by 44·60 per cent and pod rot by 27-60 per cent due to these management strategies. The treatments reduced the population of S. rollsii in the soil and increased that of the antagonist, T. harzianum. As a result of successful control of the disease, pod yields of groundnut increased by 17-47 per cent in various treatments as well as the kernel weight improved by 29-33 per cent. Amongst the treatments, antagonist application was far superior to others followed by onion rotation and chemical control.
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