Botrytis blight on rose flowers
http://urbanext.illinois.edu/hortanswers/detailproblem.cfm?PathogenID=33
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Rose Tree Botrytis Blight Fungus Disease
7 pictures of Botrytis blight on rose flowers
Frequency5 (1 = rare 5 = annual)
Severity1.5 (1 = very little damage 5 = plants killed)
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