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Prevalence of Pathogenicity Groups of the Blackleg Species Complex on Canola in North Dakota
(North Dakota State University, 2011)
North Dakota is the leading producer of canola (Brassica napus) in the United States. Blackleg, caused by two species of Leptosphaeria, L. maculans (Desm.) Ces & De Not and L. biglobosa, is an economically important disease ...