Integrated Crop Management News

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This season, Iowa soybean producers have been challenged by several disease problems and some problems may revisit in the next soybean crop if proper management is not applied. Although tillage has been considered a measure to reduce disease risk, not all diseases (for example, viral diseases with insect vectors) are lessened by tillage practices. Effectiveness of tillage in disease control varies depending on the biology of a disease. Knowing how tillage affects the occurrence of a disease can help minimize tillage efforts and achieve maximum control. This article discusses effects and timing of tillage measures for major soybean diseases this past growing season.

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Iowa State University



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