Home Tag Archives: UC Cooperative Extension

Tag Archives: UC Cooperative Extension

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 …

Researchers Continue Grapevine Red Blotch Vector Search

Entomologists have a unique toolbox of gadgets designed to trap and collect otherwise hard to nab insects.  Beating, sweeping, sucking, and carefully brushing, these scientists have no lack of creativity when it comes to collecting what most people can’t even see.  Yet these collections are critical keys to unravel the mystery of crop-threatening disease, where insects often play the role …

A New Effective Way to Control Mealybugs in the Vineyard

Got vine mealybug in the vineyard? Consider mating disruption in your IPM program.  Watch this brief interview with Kent Daane from the UC Cooperative Extension as he shares how it works and how effective their research trials have been throughout the state in utilizing this technology.  Read more about vineyard pest management in American Vineyard Magazine.

Table Grape Commission Annual Seminar

The California Table Grape Commission invites you to attend their annual grower meeting in Visalia, presenting the latest in table grape research and the Commission’s efforts to market the industry’s crop.  The half-day seminar will conclude with a luncheon presentation with Ross Jones, commission senior vice president, on efforts to improve production efficiency and market opportunity. PCA and CCA credits …

Strengths & Challenges for New Valley Pearl Table Grape

Looking into new table grape cultivars to plant? Valley Pearl is a relatively new variety developed by the USDA-ARS and is commercially grown in the San Joaquin Valley and Southern desert regions of California.  Watch this brief interview with UCCE Viticulture Farm Advisor Carmen Gispert as she explains some of the strengths and challenges of this cultivar, and read more …

UC ANR San Joaquin Valley Spray Applications Short Course

Join us for an intensive 3-day short course on spray application research and extension. Learn to improve agricultural productivity while reducing the impact of pesticides and other agricultural chemicals on the environment and gain knowledge of best practices for safe, economical and environmentally sound pesticide spray application. Register Today! Contact anrprogramsupport@ucanr.edu for more information or visit our website. Continuing Education …

How to Prepare your Vineyard for the Heat of the Summer

How to Prepare your Vineyard for the Heat of the Summer

Grape growers last summer experienced some pretty significant periods of hot weather that, for some, negatively impacted the health of their vines and crop yield. In the center of much of this heat, Fresno County UCCE Viticulture Advisor George Zhuang has been researching ways to reduce the impact of such temperatures which are sure to return to both the Central …

Resurgence of Western Grapeleaf Skeletonizer in California Vineyards

Resurgence of Western Grapeleaf Skeletonizer in California Vineyards

As if California grape growers didn’t have enough pest issues to deal with, UCCE Entomologist Surendra Dara reported a recent resurgence of the Western Grapeleaf Skeletonizer in California.  Watch this brief interview with Dara, as he shares where the pest is resurfacing and how growers can manage it both conventionally and organically.  Read more about it in American Vineyard Magazine. …

Options for Controlling Nematodes in the Vineyard

Options for Controlling Nematodes in the Vineyard

Nematodes are are pests of a host of crops, but what are the options for controlling them in vineyards?  Watch this brief video interview with UC Cooperative Extension Viticulture Advisor Karl Lund as he shares both pre and post-planting options for managing nematodes.  Some of these options are even compatible for organic growers, so check it out, and read more …

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