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Month: Jul
Year: 2010
State: OR
County: Clackamas
Grower: Landscape
Host Category: woody ornamentals
Host Common Name: oak
Host Scientific Name: Quercus rubrum
Symptoms: dieback, leaf browning
Parts affected: leaf
Primary Pathogen Category: fungus
Diagnosis Common Name: Phomopsis leaf spot
Diagnosis Scientific Name: Phomopsis sp.
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