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PACIFIC NORTHWEST NURSERY IPM Diseases |
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azalea
leaf and flower gall |
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
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Sporulation and leaf curling on
'Mazzard' cherry
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