First record of Cucumber mosaic virus (CMV) in FCV tobacco in Karnataka light soil region of India
Flue cured virginia (FCV) tobacco is the major commercial crop in Southern Transitional Zone of Karnataka. FCV tobacco is grown in Kharif as rainfed crop with and sustained demand in the international market. The crop is susceptible to many biotic and abiotic stresses which takes a heavy toll in terms of yield and quality. Among the diseases of tobacco, damping off, black shank, root-knot nematode, mosaic and leaf curl have become potential threats for the successful cultivation of the crop. Of late, leaf curl initiated by begamovirus is spreading everywhere and posing a serious problem both in nursery and main fields. Recently a new viral disease showing varied symptoms have been noticed in the experimental fields of Zonal Agricultural and Horticultural Research Station (ZAHRS), Shivamogga ( kharif 2017) Karnataka, India. Apart from regular mosaic and leaf curl symptoms the other symptoms, shoe string symptom was noticed in FCV tobacco field. The disease is reported to be caused by Cucu...
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