Symptoms & Signs: |
White to gray powdery growth on leaf surfaces
Later, leaves may turn yellow
Thinning may occur
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Grasses Affected: |
Primarily Kentucky bluegrass, fine fescue and
bermudagrass
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Causal Agent(s): |
Fungus: Erysiphe graminis
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Time of Occurence: |
Spring to fall
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Conditions that Favor Disease: |
Temperatures around 65º F
Reduced air circulation
High atmospheric humidity, but no free water on leaves
Low light intensity
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