Soybean frogeye leaf spot
scouted Sept. 15, 2022
- Scientific Name
- Cercospora sojina
- Background
- Soybeans in Person county were scouted and sampled four weeks after no treatment. The sample was taken for routine check of disease pressure in the research field. Some leaf spots were seen on the tissue.
- Conclusion
- The issue was identified as Frogeye leaf spot which is a common foliar disease in North Carolina. The causal agent is Cercospora sojina. Early symptoms are small, dark, water-soaked circular to angular lesions, which expand as the disease progresses and become brown to grayish with a brown-reddish border. Lesions can also occur on the stems and the pods. Management practices include crop rotation with non-host crops like corn or wheat, host resistance, and fungicide use may be beneficial when susceptible hosts are planted and there’s disease pressure
- Resources
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- No resources have been added.
