When growers start to combine, pathologists start to receive questions about discolored soybean seeds. For the last two years, we have received numerous reports of discolored seeds from producers, especially in southwestern and western Iowa. Areas where this problem was prevalent last year appear to have the problem again this year. Growers are concerned about the effect of discoloration on seed quality. A few common diseases that are causing seed discoloration this season are discussed in the following paragraphs.
Iowa State University
Yang, X. B., "Discolored soybean seeds" (1998). Integrated Crop Management News. 2261.
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