Grapes
2017 Michigan Wine Competition results announced
Twenty-nine wine experts from around the country gathered July 18 in East Lansing for the 40th annual Michigan Wine Competition. Fifty-eight of the state's 130 wineries entered 380 wines into the competition, which is open... more »
Washington state wine industry drives priorities for research
In Washington state, the needs of the wine industry take top priority for the viticulture and enology research program. Input from the state’s vintners and grape growers helped develop priorities for the statewide research program... more »
Grapevine leafroll virus a threat to Michigan grapes
Grapevine leafroll virus is one of the most common viruses affecting grapes in the world, and Michigan is no different. Though lighter cases can have a negligible impact on yield per vine, severe and very... more »
Workshops, technology featured at 2017 Viticulture Field Day
Heads up grape growers, winemakers, vineyard workers, industry and academic partners and whoever else is serious about viticulture in Michigan. The 28th Annual Viticulture Field Day and Steak Cookout is coming up. As usual, it... more »
New viticulture specialist to serve eastern NY grape region
The Eastern New York Commercial Horticulture Program of Cornell Cooperative Extension has hired James (Jim) Meyers as the new viticulture and wine specialist for a 17-county region in the eastern part of New York state.... more »
CAWG seeks winegrape exemption from FDA’s Produce Safety Rule
The California Association of Winegrape Growers (CAWG) has requested the U.S. Food and Drug Administration (FDA) exempt winegrapes from its produce safety rule under the Food Safety Modernization Act (FSMA) and place them on a... more »
Protect grape clusters from disease during early fruit development
Young fruit clusters are highly susceptible to all major diseases, including downy mildew, powdery mildew, black rot, Phomopsis and anthracnose. If prolonged cool wet weather prevails during bloom, Botrytis can also gain a foothold in clusters of susceptible cultivars by promoting... more »
Fungicides applied at bloom may reduce fruit set in grapes
Figure 1. Grape cluster weight at harvest in response to a single fungicide application at full bloom in Concord grapes in Michigan in 2013. Control of fungal diseases in fruit crops relies on the regular... more »
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