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Overview of Plant Disease Diagnoses for 2012

Linn county has submitted 50 - 120 samples per year recently.  In 2012 Growers submitted vegetables with downy mildew in cucumber and onion. Field crops included grasses with Barley yellow dwarf virus, and wheat with Septoria leaf blotch, Rhizoctonia cerealis (sharp eyespot), and Stagnospora nodorum. Greenhouses and nurseries had Cucumber mosaic virus, Tomato spotted wilt virus, and a suspected but unidentified virus from various ornamentals.