Cercospora leaf blight
scouted Aug. 16, 2022
- Scientific Name
- Cercospora kikuchii
- Background
- Soybeans in Pasquotank county, variety AgVenture 46V6X, were scouted and observed 2% of the field was affected by reddening and yellowing, and stunting. The site is localized and dry. Areas of disease start at the edges of the field and in some cases go out into the field. Plants are stunted and light green and in some cases reddish yellow in color. Affected leaves have dark veins. Also, some black lesions on stems like might be seen with kudzu bug feeding.
- 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 significant yield losses in North Carolina. Chemical management and cultural practices are both options to control Cercospora leaf blight.
- Resources
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- No resources have been added.
