Viticulture

Irregular red or reddish-purple blotches on grape leaves, starting at the base of the shoots and progressing upward.

UC Ag Experts Talk Webinar Series: Event

Webinar: In-house Diagnostics for Disease Management: LAMP for Red Blotch Detection in Grapevines

Nov 12, 2025

This webinar is part of the UC Ag Experts Talk series. Dr. Monica Cooper, Viticulture Farm Advisor with the University of California Cooperative Extension, Napa County, will give an introduction to grapevine red blotch virus (GRBV) including its ecology, physiological impacts, symptoms, and management. She…

UC Ag Experts Talk Webinar Series

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rows of vineyard being grazed by sheep and goats

Central Sierra Livestock & Natural Resources: Event

Central Sierra: Grazing in the Vineyard

Jun 24, 2025

Grazing in the Vineyard with Delfino FarmsA hands-on workshop about livestock grazing in vineyards. Our program includes: Basics of vineyard grazing and suitabilityReasons to graze your vineyardVineyard:Livestock:Forage relationshipHosted by UC Cooperative Extension Livestock and Natural Resources…

Central Sierra Livestock & Natural Resources

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Kern County: Article

Vine Health Workshop Agenda

October 10, 2025

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Kearney REC researchers and IRTA scientists line up for a photograph in front of the research center

Food Blog: Article

UC ANR, Catalan research institute to spur innovations for agrifood systems

September 30, 2025

By Michael Hsu

UC ANR and the Institute of Agrifood Research and Technology will prioritize research and innovation in food systems to develop and deliver new tools and resources to farmers and ranchers across California and beyond.

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Closeup of leaf being scanned by the Leaf Monitor tool

Food Blog: Article

AI tool to help farmers measure real-time crop health from the field

September 24, 2025

By Emily C. Dooley

Leaf Monitor, a new mobile tool backed by artificial intelligence and predictive modeling, could revolutionize how farmers monitor crops and make decisions by providing real-time nutrition and leaf trait information in the field.

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Joy Hollingsworth holds a microphone and stands in a vineyard discussing her research on the red-colored panels attached to the trellises

Food Blog: Article

Grape Day shows San Joaquin Valley growers ‘what works in our area, for our crops’

August 20, 2025

By Michael Hsu

Wine, table and raisin grape growers gathered for Grape Day at the Kearney Agricultural Research and Extension Center to hear about the latest innovations from UC scientists.

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At Mendocino Grape Day event, Chris Chen engages with local growers

Employee Spotlights: Article

Advisor Chen works for resilient future for viticulture in Northern California

April 14, 2025

Christopher Chen, UC Cooperative Extension integrated vineyard systems advisor for Lake, Mendocino and Sonoma counties, works to ensure that the vineyards that produce the region’s world-renowned wines can thrive amid the challenges of climate change, wildfires and water scarcity.

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A prescribed burn at the UC ANR Hopland Research and Extension Center (2024)

Green Blog: Article

UC researchers study smoke risk to vineyards from prescribed grassland fires

March 27, 2025

In the winegrape vineyards of northern California, fire and its associated smoke pose a unique threat in the form of smoke-taint damage to the fruit. A preliminary study looks at whether prescribed burning as a fire prevention method poses a risk to winegrape crops.

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A shepherd and dog move sheep across a field

Food Blog: Article

California producers: Climate change is real; we could use a little help

February 26, 2025

By Trina Kleist

How can farmers and ranchers continue to grow our food while facing challenges of a changing climate, increasingly scarce water, land use pressures and rising costs? UC and UC ANR scientists are using surveys and interviews with people in the state's agricultural sector to learn what folks need to stay…

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UCCE Central Sierra: Page

Central Sierra: Agriculture | Small Farms Information

ATTRA Sustainable Agriculture - Appropriate Technology Transfer for Rural Areas, is a trusted source of sustainable agriculture information and maintains a knowledge base of practical multimedia resources for farmers, ranchers, and educators.

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