POTYVIRUS INFECTION ON GROUNDNUT IN TAMIL NADU, INDIA

Groundnut is one of the major oil seed cropthat is commercially and economically important. Groundnuts are rich in proteins and other essential elements. This crop is susceptible to virus, bacteria and fungal infections. One such serious viral infection is caused by a large group of virus belonging to Potyvirus, which leads to the yield loss. Potyvirus show symptoms of Mottling, Vein Clearing, extreme mosaic, sometimes they may be asymptomatic also. Potyviruses occur both in seeds and on the plants. Incidence of Poty virus was screened in leaf and seed samples collected from Tamilnadu,India. About 43.75% of the sample were positive for Potyvirus of which 50% of leaves and 50 % of seeds were infected.