Anthracnose
scouted July 25, 2025
- Background
- Soybeans in Moore county were scouted by grower and it was observed that 30% of the field was affected in patches, with blight leaf spots. A sample was submitted to the PDIC for diagnosis.
- Conclusion
- The cause of the blight spots on the leaves was identified as Anthracnose, cause by Colletotrichum. While usually a disease that shows in the stem, and the petioles it can also cause leaf curling and reddening of the veins. . Warm, wet weather favors infection and disease development. Crop rotation and tillage can reduce inoculum while foliar fungicides will reduce disease but it's usually not profitable.
- Resources
