Grapevine viruses in Michigan vineyards identified to promote diagnostic testing and virus-free planting

Wine grapes are an important crop in Michigan. According to the National Association of American Wineries, the overall economic impact of Michigan's grape and wine industry is estimated to be more than $6.3 billion annually. This includes the direct impact from vineyard and winery operations, as well as indirect effects such as wine tourism, related retail sales and hospitality services.