Charcoal rot
scouted July 11, 2024
- Scientific Name
- Macrophomina phaseolina
- Background
- Soybeans in Yadkin County were scouted and it was observed that 2% of field was affected by blight, canker, defoliation, dieback, browning, wilting in localized patches. the site is in a high area and is dry and sunny. Plants begin to wilt and slight discoloration of the leaf (yellow) for a very short time until leaves turn brown and fall off. the plants have low stalks. The environment is hot and dry.
- Conclusion
- The issue was identified as charcoal rot of soybean, caused by Macrophomina phaseolina. It starts out with patches of stunted or wilted plants, while the infection can happen very early in the season, the symptoms usually appear after flowering.
- Resources
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- No resources have been added.
