P. KALAVATHI*, M.K. JYOSTHNA, P. MADHUSUDHAN AND K.V. HARIPRASAD

Department of Plant Pathology, KV.K, Kalikiri, Chittoor-517234.

ABSTRACT

A roving survey was conducted during rabi, 2020-2021 in Nellore and Chittoor districts of Andhra Pradesh to assess the disease severity of sheath blight disease in rice. The per cent disease severity ranging from 6.11 to 13.44 per cent was noticed Maximum disease severity (13.44%) was recorded at Kothapalem village of Nellore district while minimum (6.11%) was recorded at Narasingapuram village of Chittoor district. The maximum disease was observed from tillering stage to harvesting stage.

KEYWORDS: Survey, sheath blight, rice, Rhizoctonia solani.