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ARS Home » Midwest Area » East Lansing, Michigan » Sugarbeet and Bean Research » Research » Publications at this Location » Publication #288119
Title: Glyphosate and fungicide effects on Cercospora leaf spot in four glyphosate-resistant sugar beet (Beta vulgaris) varieties

Author
item KIRK, WILLIAM - Michigan State University
item Hanson, Linda
item SPRAGUE, C - Michigan State University

Submitted to: Journal of Sugar Beet Research
Publication Type: Abstract Only
Publication Acceptance Date: 2/27/2013
Publication Date: 7/1/2013
Citation: Kirk, W.W., Hanson, L.E., Sprague, C.L. 2013. Glyphosate and fungicide effects on Cercospora leaf spot in four glyphosate-resistant sugar beet (Beta vulgaris) varieties. Journal of Sugar Beet Research. 50:79.

Interpretive Summary:

Technical Abstract: The potential for improved management of Cercospora leaf spot [CLS (Cercospora beticola)] using the herbicide glyphosate in glyphosate-resistant sugar beet varieties was investigated. Controlled field experiments were conducted in 2008 and 2009 to determine if glyphosate and glyphosate-fungicide combinations improved the management of CLS in four commercial varieties of glyphosate-resistant sugar beet. Variety and fungicide main effects were significant for CLS development. However, regardless of the herbicide program, either glyphosate or a conventional herbicide program, CLS development was not affected. Therefore, results from this research indicate that glyphosate and glyphosate-fungicide combinations do not significantly contribute to CLS management in sugar beet.