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Month: Apr
Year: 2010
State: OR
County: Clackamas
Grower: Nursery/Garden Center
Host Category: woody ornamentals
Host Common Name: viburnum
Host Scientific Name: Viburnum trilobum
Symptoms: blackening, dieback
Parts affected: leaf stem
Primary Pathogen Category: bacterium
Diagnosis Common Name: bacterial leaf blight
Diagnosis Scientific Name: Pseudomonas syringae
Popular Search Terms: Pseudomonas