Cercospora leaf spot
scouted Nov. 12, 2024
- Scientific Name
- Cercospora kikuchii
- Background
- Soybeans in Pitt County were being scouted and observed 85% of the field was affected by browning and yellowing in the crown and pods. The discoloration was localized. The site is in a high area. The plants exhibited signs of insect chewing and chlorosis.
- Conclusion
- The issue was identified as Cercospora blight of soybean. This disease is caused by the pathogen Cercospora kikuchii and although it's common in soybeans it rarely causes significtant yield losses in North Carolina. Chemical management and cultural practices are both options to control Cercospora leaf blight.
- Resources