Powdery Mildews - 2.902 - Extension
Powdery mildew is one of the most widespread and easily recognized plant diseases. Powdery mildews are characterized by spots or patches of white to grayish, talcum-powder-like growth. Powdery mildews are severe in warm, dry climates. Many plants have been developed to be resistant or tolerant to powdery mildew.