Survey on Incidence of Sheath Blight of Rice

摘要

Rice, which is staple food and subject to diseases that plays major constraints on production. Of these, rice sheath blight is second only to and often rivals, rice blast in importance. During the roving survey maximum incidence of sheath blight was recorded at Gangavati (37.79%) of Koppal district followed by Sindhanur (34.92%) of Raichur district and Siruguppa (31.14%) of Bellary district. The per cent incidence of sheath blight was maximum in some fields which received on very high nitrogen fertilizer dose of 226.25 N kgha~(-1)