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Month: Jun
Year: 2011
State: OR
County: Yamhill
Grower: Home Garden
Host Category: woody ornamentals
Host Common Name: photinia
Host Scientific Name: Photinia x fraseri
Symptoms: white growth on leaves
Parts affected: leaf
Primary Pathogen Category: fungus
Diagnosis Common Name: powdery mildew
Diagnosis Scientific Name: Podosphaera pannosa
Popular Search Terms: powdery mildew