Foundation Plant Services (FPS) has been testing grapevines in its foundation vineyards for grapevine red blotch virus (GRBV) since 2013. Red blotch infection rates have remained extremely low in the Classic Foundation Vineyard, ranging from 0% to 0.21% since 2013. None of the 4,270 vines were infected in 2020 (see table). Russell Ranch Vineyard (RRV) remained unaffected until 2017 when …

These red wines were 20 years in the making; or rather, the grape vines took two decades to develop. Whitehall Lane joined forces with Dr. Andrew Walker of UC Davis and Dr. Paul Skinner of Vineyard Investigations in Napa Valley and planted these experimental grape varieties because they are highly resistant to Pierce’s disease. Pierce’s disease is caused by a …

The California Department of Food and Agriculture (CDFA), the UC Davis Department of Viticulture and Enology, and the UC Davis College of Agricultural and Environmental Sciences are offering laboratory services, with limited capacity, to test winegrapes and wine for the presence of smoke compounds due to recent wildfires. In addition to commercial laboratories already performing tests, these laboratories are offering …

Why is milk being dumped and produce left to rot in fields while grocery store shelves go empty during the COVID-19 pandemic? Why are grocery stores running out of meat, and eggs becoming so expensive? The head of California’s Department of Food and Agriculture, researchers from the University of California, Davis, and food purveyors will tackle these and other questions …

In 2018, California wildfires burned more than 1.8 million acres and caused smoke to drift hundreds of miles. As the frequency and intensity of wildfires increases with climate change, California agricultural workers are at greater risk of smoke exposure as they often have no option but to work outdoors. A new study from researchers at the University of California, Davis, finds that …

Join us for the UC Davis Viticulture and Enology On the Road in Tulare County Tulare County Agricultural Building 4437 S. Laspina St., Tulare, CA 93274 April 2, 2019 8:30 am – 1:30 pm 8:30 – 9:00 am Check-in, light breakfast and coffee 9:00 – 9:30 The effect of grapevine red blotch virus on wine quality Anita Oberholster, UC Cooperative …

Competitive grants have funded some of the most exciting new and broad-reaching research on issues relating to wine grapes and enology. Enjoy a full day of brief, 20-minute presentations by researchers describing their current projects in this unique forum. This is an exclusive opportunity to hear and discuss the latest research directly from these highly-regarded researchers. Topics include work on …

Plan to join us for this integrated vineyard management short course featuring UC faculty, Cooperative Extension specialists and farm advisors, and USDA researchers who will provide an in-depth, comprehensive study of all phases of grapevine culture and production. The program is based on the latest information and research and will cover the fundamental principles that form the basis for practical decisions and include …

Keynote Speaker: CA Secretary of Agriculture, Karen Ross DAY 1 (Tuesday, Feb. 6th) 9:15  General Session Introduction: Chapter President, Dr. Sharon Benes, California State University, Fresno 9:30 – 10:30 Keynote Speaker CA Secretary of Agriculture, Karen Ross.  Topic tbd. MAIN SESSION: 10:35 – 12:10 p.m. Intersection of Water and Nutrient Management Chairs: Karen Lowell, Dan Munk & Michelle Leinfelder-Miles 10:35  Introductory remarks …

20-Dec-17 Deborah Golino, Director: Foundation Plant Services On December 20, 2017, Foundation Plant Services (FPS) announced that Grapevine Red Blotch Disease, caused by Grapevine red blotch virus (GRBV), has been found in the Russell Ranch Vineyard (RRV). All affected vines (only five of 4,132 vines in RRV tested positive for GRBV) have been removed and destroyed. FPS is carefully monitoring …