OSU Logo

Overview of Plant Disease Diagnoses for 2012

Washington county usually submits up to 100 samples per year.  In 2012 blueberry growers had Blueberry shock virus, Phomopsis twig blight and Pseudomonas blossom blight. Nursery producers of woody ornamentals had mostly abiotic problems.  Greenhouse growers of herbaceous and woody ornamentals had many abiotic problems with leaf spot synmptoms, and also Pseudomonas bacterial blight and fungal root rots.