First Report of Rhizoctonia solani, AG4 HG-II Causing Rhizoctonia Root Rot in Beta vulgaris in Minnesota, USA

Sugar beet (Beta vulgaris) taproots are often infected with soil-borne pathogens included Rhizoctonia, Fusarium, Aphanomyces, Pythium and Geotrichum. These evidenced to cause substantial qualitative and quantitative losses [1]. Till today, 13 anastomosis groups (AG1-AG13) of R. solani have been reported in a wide range of crops, among them AG 2-2 mainly cause root and crown rot in sugar beet