OSU Logo

Month: May
Year: 2010
State: OR
County: Marion
Grower: Nursery/Garden Center
Host Category: herbaceous ornamentals
Host Common Name: rose
Host Scientific Name: Rosa sp.
Symptoms: leaf spots
Parts affected: leaf
Primary Pathogen Category: fungus
Diagnosis Common Name: black spot
Diagnosis Scientific Name: Diplocarpon rosae
Popular Search Terms: