Research and Extension
WSU has viticulture and enology faculty located throughout the state conducting research and engaged in outreach activities that benefit the economic bottomline of Washington's premium grape growers and winemakers.
The Northwest Grape Foundation Service helps to ensure that Pacific Northwest grape growers have virus-free stock.
Extension educators in both viticulture and enology work to match WSU research with the on-the-ground needs of growers and winemakers.
Grapevine leafroll disease accounts for about 60 percent of the production losses of grapes world wide, according to Naidu Rayapati, Washington State University grape virologist.