Identifying and Controlling Gray Leaf Spot in Corn
Moist conditions and moderate temperatures encourage development of gray leaf spot in corn, moving from lower portions of the plant to the upper canopy.
Small gray leaf spot lesions can spread to cover large areas of leaves, affecting the plant’s ability for photosynthesis and, ultimately, ear development.
Kevin Hahn, a field development representative with DuPont Crop Protection, describes how to identify gray leaf spot and time applications of Aproach® fungicide.
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