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Tag Archives: crabapple scab
Disease Hotline Issue 2
Crabapple scab. Photo found at: http://www.ipm.iastate.edu/ipm/hortnews/files/images/Apple%20scab.preview.jpg
Botryosphaeria canker. Photo provided by: University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org
Black spot on roses. Photo provided by: Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, Bugwood.org
What’s Hot HL Issue 14
Crabapple scab. Photo found at: http://www.ipm.iastate.edu/ipm/hortnews/2007/6-13/applescab.html
Disease Hotline Issue 2
Black spot on roses. Photo by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.
Black spot on rose. Photo by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org.
Crabapple scab on crabapple tree leaves. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware.
Crabapple scab on crabapple fruits. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware.
Disease Hotline Issue 19
Horsechestnut leaf blotch. 
Coleosporium rust (Aster rust) on golden rod.
Powdery mildew on Leucothoe. All photos by: Bob Mulrooney, Extension Plant Pathologist, University of Delaware.