June 2026

A Note on Smoke Taint – 2017 By Tom Collins, WSU TriCities The 2017 growing season in eastern Washington has been characterized in part by periodic episodes of poor air […]

Detecting DMI Resistance in Powdery Mildew By the Fungicide Resistance Assessment, Mitigation, and Extension (FRAME) Network If you heard one the FRAME Network group talks about fungicide resistance in grape […]

Irrigation Water Quality and Soil Degradation in Washington By Joan R. Davenport , Professor Emeritus and Catherine A. Jones, Clean Plant Center Northwest, WSU-Prosser Grapes are classified as moderately sensitive […]

Buffalo Treehopper: A Potential Red Blotch Vector in Washington? By Jonathan O’Hearn (Graduate Student), Peter Foorence, and Doug Walsh, WSU – Prosser Insects in the treehopper family Membracidae are implicated […]

Phylloxera Awareness By Gwen Hoheisel, WSU Extension; Michelle Moyer and Doug Walsh, WSU Prosser Phylloxera has been detected in Washington vineyards since 1910, primarily in Concord juice grapes (Vitis labrusca). There […]