Hosts
Wheat, the powdery mildew that infects barley will not infect wheat and vise versa.
Symptoms
Light green flecks develop on the leaves, stems, and heads, gradually developing into white-gray cotton-like patches. Small, dark, fruiting bodies develop inside the lesions.
Look-alike Symptoms
Herbicide injury due to bipyridyliums
Cultural Controls
Over fertilizing with nitrogen can induce heavy, succulent susceptible growth. Lighter seeding rates improve air circulation and decrease disease. Crop rotations and clean plowing reduce the amount of overwintering inoculum in the field; airborne in
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Field crop plant health challenges
