Glyphosate and fungicide effects on Cercospora leaf spot in four glyphosate-resistant sugar beet (Beta vulgaris) varieties |
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| Institution: | 1. Key Laboratory for Quality and Safety of Agricultural Products of Hangzhou City, College of Life and Environmental Science, Hangzhou Normal University, Hangzhou 310036, China;2. Research Centre for Plant RNA Signaling, College of Life and Environmental Science, Hangzhou Normal University, Hangzhou 310036, China;3. Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China;4. University of Chinese Academy of Sciences, Beijing 100093, China;1. Instituto de Pesquisas do Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão 915, CEP 22460-030 Rio de Janeiro, RJ, Brazil;2. Fundação Instituto de Pesca do Estado do Rio de Janeiro, Av. das Américas 31501, CEP 23032-050 Rio de Janeiro, RJ, Brazil |
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| Abstract: | The potential for improved management of Cercospora leaf spot (CLS), caused by 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, glyphosate or a conventional herbicide program, CLS development was not affected. Therefore, results from of this research indicate that glyphosate and glyphosate–fungicide combinations do not significantly contribute to CLS management. |
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