Soybean rust
scouted Nov. 11, 2020
- Scientific Name
- Phakopsora pachyrhizi
- Background
- Soybeans in Wayne county, variety Dyna gr0 5286, were scouted and observed 90% of the field was affected by widespread defoliation, dieback, blackening, reddening, mold mycelium, ring spot/shot hole/frogeye, stem rot, stunting, and wilting. The site is wet.
- Conclusion
- This issue was identified as Asian soybean rust, which is caused by the fungus Phakopsora pachyrhizi. Asian soybean rust is a soybean pathogen described for the first time in the Southern portion of North Carolina in 2005. Rust is uncommonly observed during critical growth stages in North Carolina. Heavily infected plants may produce fewer pods, fewer seeds per pod, and reduction in weight, resulting in yield losses.
- Resources
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- No resources have been added.
