Cercospora leaf blight
scouted Sept. 2, 2022
- Scientific Name
- Cercorpora sp.
- Background
- Soybeans in Pamlico county, variety AG48XF2, were scouted and it was observed that 70% of the field was affected by browning and yellowing, leaf spots,or fruit drop. The previous crop was corn. group 4.8 shedding leaves turning off before earlier group 4s. Foliar fungicide and fertilizer was applied. The soil is organic soil.
- 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.
