This growing season, Iowa soybean producers have seen several diseases, a few of which affect seed quality. These diseases include fungal diseases and viral diseases. At harvest, it is likely that soybean from some fields will show discoloration, which can be a concern when beans are used for seeds. For some diseases, infected seeds may be discolored but not important to the spread of pathogens. This article discusses seed quality-related diseases at harvest.
Iowa State University
Yang, X. B., "Seed quality-realted soybean diseases" (2002). Integrated Crop Management News. 1726.
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