Powdery Mildew

Powdery mildew is typically white or gray on the leaf surface. Sometimes when it first appears it is mistaken for dust or dirt. When touched, some of it will rub off.

Depending on the type of plant, powdery mildew break out could have a mild to severely damaging effects.

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Facts

So... What is Powdery Mildew?

There are numerous strains of fungi that are commonly referred to as powdery mildew. They typically have similar habitats and similar methods can be used to control them.

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Characteristics

Powdery mildew is typically white or gray on the leaf surface. Sometimes when it first appears it is mistaken for dust or dirt. When touched, some of it will rub off.

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Images courtesy of Oklahoma State University and Forestry.
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