Survey on Natural Occurrence of Diseases in Potato at Various Locations of Odisha

Potato is a high yielding short duration crop and produces stastically more edible energy, protein and dry matter per unit area and time than many other crops. Major contributing factor for reduction of yield in the state(14.1q/h) of the crop than national level(18.8 q/h) was due to occurrence of different diseases. The present study was conducted at 7 locations and 6 districts of Odisha to assess the percentage of disease incidence following fixed plot survey in three consecutive years 2005-06 to 2007-08.The survey revealed that early blight,late blight ,black leg ,bacterial wilt and mild mosaics were different diseases in growing stage while the diseases like brown rot, soft rot and scab could be noticed at the harvesting stage.