PACIFIC NORTHWEST NURSERY IPM

Diseases



hidden treasure

 

New Pest Activity Alerts
@PNWNurseryIPM at
Twitter.com

 
spirea powdery mildew
Photo: Rosetta, OSU
   

 
Home
Insects
Mites
Diseases
Weeds

Vertebrates
Slugs/Snails
Abiotic

Back to Home

azalea leaf and flower gall
bacterial blight
brown rot
fig mosaic virus
forsythia stem gall New
powdery mildew
Ralstonia Alert
Phytophthora ramorum
Rhododendron bud blight
white rust on alyssum
Contact Us

Powdery mildew on spirea, Spiraea japonica

 
Stunting of growth on spirea 'Gold mound' from powdery mildew
spirea powdery mildew stunting
Photo: Rosetta
Powdery mildew sporulation on leaf underside
spirea powdery mildew
Photo: Rosetta
Purpling of leaf due to powdery mildew infection
spirea powdery mildew purpling
Photo: Rosetta
Powdery mildew symptoms on 'Anthony Waterer'
powery mildew on spirea 'Anthony Waterer'
Photo: Rosetta
Blossom infection on 'Gold mound'
spirea blossom infection
Photo: Rosetta
Website editor:
Robin Rosetta
Page last modified 5/29/07
  

Before applying any of the information found on this site, please read our disclaimer.
Copyright © 2010, All Rights Reserved