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A field survey was conducted in major tomato growing districts of Tamil Nadu viz., Coimbatore, Dharmapuri, Krishnagiri, Salem and Madurai during 2015-2016. Groundnut bud necrosis virus (GBNV) infection on tomato exhibited the symptoms viz., chlorotic and necrotic spots on leaves, necrosis of growing young buds (bud blight), bronzing, wilting and stunting. The per cent disease incidence of GBNV ranged from 18.6% to 35.3% in the above districts. A high per cent disease incidence of 35.3% was recorded in Thondamuthur village of Coimbatore district. Cowpea cv. CO5 was used as local lesion host for maintenance of GBNV isolates separately. | Prevalence of bud blight of tomato caused by groundnut bud necrosis virus in Tamil Nadu India
