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Verticillium dahliae Causes Wilt on Sugar Beet Following Potato in Eastern North Dakota
Verticillium wilt of sugar beet (Beta vulgaris L.) 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 (Solanum tuberosum L.) (3). In August 2003, sugar beet in four fields from eastern North Dakota (sown to potato in 2002) exhibited typical symptoms of Verticillium wilt. Symptoms included wilted foliage (Fig. 1), interveinal leaf chlorosis (Fig. 2A), "half-leaf" chlorosis or necrosis (Fig. 2B), and discolored vascular tissue with no external rot (Fig. 2C). Our objectives were to: (i) identify isolates from infected sugar beet and (ii) evaluate them for pathogenicity on sugar beet and potato.
Brantner, Jason R.
Windels, Carol E.
Omer, Medani A.
plant pathogenic fungi
Plant health progress 2008 Dec. 12
Journal Articles, USDA Authors, Peer-Reviewed
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Agricultural Research Service
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