Home Tag Archives: UC Cooperative Extension

Tag Archives: UC Cooperative Extension

Preparing to Harvest Raisins Under Smoky Skies: What Growers Need to Know

Most agricultural news coverage of the wildfire impact last year focused on the wine grape industry.  Though raisins don’t share the same concern for smoke taint as wine grapes, the lack of radiant sunlight due to smoky overcast skies had a significant effect on the sugar accumulation and natural drying process for much of Central Valley raisin crop last year. …

Managing Vineyard Pests & Diseases in a Dry Year

A dry winter and spring impacts more than just water availability for the season. Watch this brief interview with UCCE Viticulture Advisor Gabriel Torres as he shares expected vineyard pest and disease pressures in a dry year.  Read more about vineyard pest and disease management in American Vineyard Magazine.   Please thank this video’s sponsor Vmech for their industry support.

Drought Impact on Early Season Stage of SJV Wine Grapes

Choosing when to irrigate this season with a very limited resource amidst the current drought can be quite a challenge, and the adverse effects of insufficient irrigation are already becoming manifest in the 2021 San Joaquin Valley wine grape crop.  Watch this brief interview with UCCE Viticulture Advisor Karl Lund and read more about it in American Vineyard Magazine. Please thank …

Optimizing Yield of Young Pinot Grigio Vines

Recently planted Pinot Grigio and wondering how much yield to prepare for in its early years? Watch this brief interview with UCCE Viticulture Advisor George Zhuang as he shares some key insights for growers from a San Joaquin Valley perspective. Read more in American Vineyard Magazine.   Please thank this video’s sponsor Suterra for their industry support.

New Grapevine Rootstock Characteristics & Availability

The University of California grapevine breeding program has recently come out with some exciting new rootstocks with great characteristics the better manage pests, diseases, and even drought conditions. Watch this brief interview with UCCE Viticulture Advisor Karl Lund, as he shares what what growers should know about some of the specific traits and availability of these rootstocks. Read more in …

What Growers Need to Know about Sudden Grapevine Collapse

Sudden Vine Collapse is a disease complex that has become a lot more widespread across California than was previously thought. First coined by growers as Mystery Vine Collapse, researchers now have some answers.  Watch this brief interview with UC Davis Plant Pathologist Akif Eskalen to find out more and read about it in American Vineyard Magazine.   Please thank this …

Vineyards Serve as Ideal Groundwater Recharging Sites

As Californians are concerned about heading into another drought, grape growers may be able to assist in replenishing our depleting groundwater supplies during these stormy months.  Watch this brief interview with William Horwath from UC Davis and read more about it in American Vineyard Magazine.   Please thank this video’s sponsor Suterra for their industry support.

Glassy-Winged Sharpshooter Numbers Threaten Resurgence of Pierce’s Disease in SJV Grapes

When it comes to Pierce’s Disease and Glassy-Winged Sharpshooter, it’s critical for growers to pay attention to both the disease and the vector.  Although collaborative efforts within the grape industry have kept disease levels down in recent years, population levels of the Glassy-Winged Sharpshooter have been elevating in the San Joaquin Valley. Watch this brief interview with UC Cooperative Extension …

How to Prevent Grape Bunch Rot

At Malcolm Media’s recent Grape, Nut & Tree Fruit Expo, UCCE Viticulture Advisor Gabriel Torres provided an in-depth presentation on sour rot prevention and management. If you missed his presentation or would like a refresher, watch this brief interview as Gabriel provides of some key points growers should consider in season-long prevention/management of this crop spoiling complex. Please thank this …

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