Soybean fungal root rot is commonly seen in summer. Soybean plants with root rot are noticeable in fields because of uneven growth. Affected plants may appear yellow, stunted, and wilted. The plants may be scattered or found in large patches; they often occur in fields or areas with poor drainage. Cool weather promotes these root rot problems because cooler than normal temperatures slow soybean root development and are ideal for some soilborne fungi.
Iowa State University
Yang, X. B., "Soybean root rot management" (2001). Integrated Crop Management News. 1906.
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