Northern Corn Leaf Blight
Exserohilum turcicum
Maizefungal
A fungal disease producing long, cigar-shaped lesions capable of reducing yield significantly.
Symptoms
Long, elliptical, gray-green to tan lesions with a "cigar-shaped" appearance on leaves.
Favorable conditions
- •Warm, humid weather with extended leaf wetness
- •Susceptible hybrids planted continuously
Management
- 1Plant resistant hybrids
- 2Apply fungicide where disease pressure is high
- 3Rotate crops
- 4Manage crop residue
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