Prevalence of Rhizoctonia bataticola, inciting dry root rot of soybean in agro-climatic zones of Marathwada region of the Maharashtra state

Abstract

Dry root rot caused by Rhizoctonia bataticola (Taub) Butler, is one of the most widely distributed and destructive disease of Soybean [Glycine max (L.) Merril], causing accountable quantitative and qualitative losses. The survey study revealed that the disease as of common occurrence in soybean crop and widely distributed throughout all three Agro-climatic Zones of Marathwada region surveyed. Prevalence/ incidence of the disease was more severe during Kharif, 2017-18, compared to Kharif, 2016-17.Almost all soybean varieties grown in the region were found more or less prone to dry root rot disease. The disease was found more severe in Scarcity Zone (28.24%), followed by Assured rainfall zone (24.32%) and Moderate rainfall zone (17.38%).