Northern Corn Leaf Blight
scouted Sept. 24, 2025
- Scientific Name
- Exserohilum turcicum
- Background
- Corn in Iredell County was being scouted, and it was observed that 65% of the field was affected by a blight and by marginal blackening on the entire plant. A sample was sent to the PDIC for diagnosis., The side is a dry and sunny site.
- Conclusion
- The lesions were identified as Northern Corn Leaf Blight. This disease usually presents as cigar-shaped lesions that become grayish or tan and have dark gray or green masses of fungal spores in the center. Late-season development of NCLB will likely have a reduced impact on yield.
- Resources
