Studies on Status of Leaf Spot of Groundnut in Chunar and Near by Areas of Mirzapur District of Uttar Pradesh

Roving surveys conducted from 2009–10 and 2010–11 kharif season (August to October) indicated that groundnut plants in Chunar and its neighbouring areas of Mirzapur district of Uttar Pradesh averaged 40 and 39% in two years, respectively and groundnut crops averaged 13% loss due to late leaf spot (LLS) fungus, Phaeoisariopsis personata. The late leaf spot disease was more prevalent than early leaf spot (ELS) caused by Cercospora arachidicola in these areas. Intensity of the disease in different areas surveyed, ranged from 13 to 22% in the month of September and 35 to 45% in October during 2009. In the year 2010 disease intensity ranged from 13 to 24% in September and 33 to 42% in October respectively.