Vol. 12, Issue 9 (2023)

Author(s):
Raghunandana, Prashanthi SK and Arvind M

Abstract:
Sheath blight of rice caused by Rhizoctonia solani Kuhn has posed a significant threat to production-oriented farming in recent years. A random survey was carried out in different districts of Karnataka viz., Dharwad, Haveri, Mandya, Mysuru and Uttara Kannada during kharif-2022 to know the disease prevalence and incidence of sheath blight of rice. Highest incidence of the disease was observed in Jeemarali (47.61%) and Bokkhalli (47.36%) villages of Nanjangud taluk of Mysuru district. Among the districts, highest mean DI (37.47%) was observed in Mysuru, followed by Mandya (27.70%), Haveri (20.84%), Uttara Kannada (6.31%) and the least severity of 6.04 percent was observed in Dharwad.