Wednesday, May 13, 2009
Disease Hotline Issue 7
Frogeye leafspot on apple caused by Botryosphaeria obtusa. Photo by: Bob Mulrooney, Plant Pathologist Specialist, University of Delaware.
Powdery Mildew on flowering dogwood. Photo by: Bob Mulrooney, Plant Pathologist Specialist, University of Delaware.
Labels:
2009,
Disease,
frog-eye leafspot,
hawthorn leafspot,
May,
powdery mildew
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