Kentucky bluegrass, Bermudagrass, Fine Fescue
- First seen as a gray-white powdery film on grass blades. Infected leaves may turn yellow and die. When severe, the whole turfgrass area may be thinned and a dull white color.
Conditions Favoring Infestation and Typically Yearly Occurrence
Shade, poor air circulation, moderate temperatures, high humidity, cloudy weather favor disease. Fall.