Soybean frogeye leaf spot
scouted Aug. 15, 2022
- Scientific Name
- Cercospora sojina
- Background
- Soybeans in Pitt county, variety AG52XF0, were scouted and observed 75% of the field was affected by leaf spots in random areas. The site is low and high area. This variety is known to have low resistance to frogeye leaf spot and cercospora leaf spot.
- 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.
