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Month: Jul
Year: 2012
State: OR
County: Linn
Grower: Farm
Host Category: vegetables
Host Common Name: onion
Host Scientific Name: Allium cepa
Symptoms: grayish furry mold over pale leaf spot
Parts affected: leaf
Primary Pathogen Category: fungus
Diagnosis Common Name: downy mildew
Diagnosis Scientific Name: Peronospora destructor
Popular Search Terms: downy mildew