Investigation was carried out on roving survey for recording the severity of purple blotch disease of onion during Rabi 2015-16 and 2016-17 in nine districts of Rajasthan viz., Bikaner, Alwar, Jaipur, Jhunjhunu, Jodhpur, Sikar, Chittorgarh, Sriganganagar and Baran, and two district of Haryana viz.,[r]