First Report of Rhizopus causing Hypocotyl and Root Rot in Sugar Beet (Beta vulgaris. L) Seedlings in Montana, USA.

Abstract

Sugar beet is commercially grown in Minnesota, Idaho, North Dakota, Michigan, Nebraska, Montana, California, Wyoming, Colorado, Oregon, and Washington [3].The cultivars are relatively high-yielding and are moderately resistant to most of the common soil-borne and foliar pathogens. Most cultivars have a minimum level of resistance to root pathogens such as Rhizoctoniasolani, Aphanomyces cochlioides, Clonostachysrosea, Globisporangiumultimum, Rhizopus stolonifera, and Fusarium equiseti [1, 2, 3, 4].