Charcoal rot
scouted Aug. 29, 2023
- Scientific Name
- Macrophomina phaseolina
- Background
- Soybeans in Yadkin county, variety AG49XF3, were scouted and observed 85% of defoliation, bleached, browning, yellowing, between the veins, gum/slime/ooze/wet wood, leaf spot, and ring spot/shot hole/frogeye in patches. The site is low and wet.
- 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.
