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Verticillium dahliae Causes Wilt on Sugar Beet Following Potato in Eastern North Dakota

J. R. Brantner, C. E. Windels, and M. A. Omer

December 2008


Verticillium wilt of sugar beet has not previously been reported in the Red River Valley of Minnesota and North Dakota where both Verticillium dahliae Kleb and V. albo-atrum Reinke & Berthier cause wilt on potato. In August 2003, sugar beet in four fields from eastern North Dakota (sown to potato in 2002) exhibited typical symptoms of Verticillium wilt. Our objectives were to: (i) identify isolates from infected sugar beet and (ii) evaluate them for pathogenicity on sugar beet and potato.


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