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Observations of Treehoppers in Oregon Vineyards

Grapevine red blotch virus appears to be spreading in Oregon vineyards, which raises the question of which insects may contribute to its spread. In 2016, a treehopper insect, the three-cornered alfalfa hopper, was identified as a vector in California, and is believed to be an important component of spread of this virus. Adults of this species were found in 2016 …

Oakville Bluegrass Cooperative Opens Enrollment for USDA Incentive

Oakville Bluegrass Cooperative opened enrollment for the inaugural year of the USDA climate-smart partnerships incentive to plant Oakville bluegrass, a summer-dormant perennial cover crop. Because Oakville bluegrass is dormant from April through September, it doesn’t compete with cash crops for water or nutrients making it ideal for California permanent crops. Planted on over 900 acres of vineyards and tree nut …

Michigan State University Extension Grape Crop Update

Michigan State University Extension — Vineyard hedging is set to commence soon in Michigan, aiming to achieve several key objectives. The primary focus is on curtailing excessive primary and lateral shoot growth on the canopy’s top and sides to prevent shading and entanglement between vine rows. By doing so, the vineyard becomes more accessible for workers and tractors. Interestingly, hedging …

Summer Vineyard Management Tips with University of Minnesota Extension

Are you seeing downy or powdery mildew on grape clusters? It’s easy to imagine that a cluster infected with powdery mildew would look powdery in appearance; however, downy mildew cluster infections can also look somewhat powdery, so how can growers distinguish the two from each other? The above photos exemplify both downy mildew (Plasmopara viticola) (1) and powdery mildew (Uncinula …

Barnhisel, Coleman and Tomasino Join ASEV Board, Walter-Peterson as Technical Program Director

The American Society for Enology and Viticulture (ASEV) confirmed its newly elected board members as of July 1, which will be led by Michelle Moyer from Washington State University as the interim president for the 2024-2025 term. New board members elected this year include Kristen Barnhisel from J. Lohr Vineyards & Wines, Robert Coleman from Treasury Wine Estates, and Elizabeth …

Central Valley Wine Industry Losing Share in Brandy Market, Compounding Other Challenges

To compound the troubles Central Valley wine grape growers are already facing with a depressed global wine market amidst increased production costs, Allied Grape Growers President Jeff Bitter shared some new trends in the brandy market that are beginning to negatively impact growers invested in that beverage category.  Watch his brief interview with Matthew Malcolm from California Ag Network, and …

WSU Wine Science Dept. to Debut New Curriculum in Fall 2024

Starting this fall, Washington State University (WSU) viticulture and enology (V&E) undergraduates will experience a revitalized curriculum that comprehensively prepares them for wine industry careers. “This is special,” said Jean Dodson Peterson, WSU V&E department chair. “It marks a new era for our department, reintroducing WSU V&E to both local and global wine industries. I feel privileged to steward this transition for …

USDA Breaks Ground on $70M Lab for Grape Research at Cornell AgriTech

Cornell AgriTech will soon be home to the National Grape Improvement Center, one of the largest cold-climate grape research facilities in the world. On June 26, USDA’s Agricultural Research Service (USDA-ARS), legislators and Cornell leaders broke ground on the new state-of-the-art federal research facility at the AgriTech campus in Geneva, New York. The $70 million center is expected to propel …

USDA Expands Insurance Options for Grape Growers, Including Smoke Protection

The U.S. Department of Agriculture (USDA) is expanding crop insurance options for specialty and organic growers beginning with the 2025 crop year. USDA’s Risk Management Agency (RMA) is expanding coverage options by allowing enterprise units by organic farming practice, adding enterprise unit eligibility for several crops, and making additional policy updates. This is the first of several announcements this summer, …

Ohio Vineyard Expansion Assistance Program Applications Due June 29

The 2024 Vineyard Expansion Assistance Program (VEAP) is now open to new and existing Ohio vineyards to encourage the establishment of new and/or expansion/replacement of existing vineyards across the state. VEAP allows wineries to invest in and plant high-quality, high-value grapes onsite instead of purchasing them from other states. The VEAP is an incentive program created and funded by the Ohio Grape …

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