In recent years, there has been an increase in diseases caused by Phomopsis fungi, and these diseases have contributed to premature yellowing or death of many soybean fields in the 2001 growing season. This fall, the Iowa State University Plant Disease Clinic received samples of soybean with the stems covered with black lesions, diagnostic of Phomopsis pod and stem blight.
Iowa State University
Yang, X. B., "Phomopsis-infected seed" (2001). Integrated Crop Management News. 1953.
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