Root rot of carrot
January 1, 1970
at the generic level. Årsvoll was the first to identify and describe the fungus in Norway, in 1965. An infection can occur through the soil and the air [...] various shapes. The lesions can merge and eventually cover the entire surface of the carrot. The affected areas are firm, shallow, and clearly visible [...] develop on the surface. Initially, the disease forms circular to irregular spots on the leaves that vary in colour from grey to almost black. The spots appear