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powdery mildew on big leaf maple
   

 

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Powdery mildew

More information on the biology and management of powdery mildew on maples can be found in the PNW Disease Handbook maple powdery mildew webpage on this subject. Additional species specific powdery mildew information can be found at this site as well.

The other pictures are of powdery mildew on snowberry, Symphoricarpos, probaby S. albus.

Click on pictures to see larger images.

Powdery mildew on Ajuga reptans.

Powdery mildew on Cotinus, smoke tree.

Powdery mildew on dogwood.

Powdery mildew on Photinia.

Powdery mildew on plane tree.

Powdery mildew on spirea

 

Sporulation and leaf curling on 'Mazzard' cherry
powdery mildew sporulation on 'Mazzard' cherry
Photo: Rosetta, OSU
Symptoms and signs of powdery mildew on upper and lower leaves of 'Mazzard' cherry.
Sypmtoms and signs on upper and lower 'Mazzard' leaves
Photo: Rosetta
Powdery mildew on big leaf maplepowdery mildew on big leaf maple
Photo: Rosetta, OSU
Powdery mildew on snowberrypowdery mildew on snowberry
Photo: Rosetta, OSU
Close-up of mildew on snowberrypowderymildew on  snowberry
Photo: Rosetta, OSU
Close-up of mildew on snowberrymildew on snowberry
Photo: Rosetta, OSU
Powdery mildew on Stachys byzantina
powdery mildew on Stachys
Photo: Rosetta, OSU
Website editor:
Robin Rosetta
Page last modified 7/8/09
 

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