Survey and surveillance form the basis for any successful plant protection that depends on early detection of disease followed by timely adoption of management measures. Spot blotch caused by Bipolaris sorokiniana is an important disease of wheat gaining much importance in Karnataka because of the occurrence of severe outbreak every year. Intensive roving survey was conducted in wheat growing areas of Dharwad, Gadag, Belagavi, Bagalkote and Vijayapura districts of Karnataka, during rabi, 2017-18. Results revealed that there was very low severity of spot blotch disease among various districts, taluks, villages surveyed in different wheat growing regions of Karnataka during rabi 2017-18. | Survey on spot blotch severity of wheat in northern parts of Karnataka
