Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

UC Cooperative Extension

ACP (Asian citrus psyllid) found in San Joaquin county

AsianCitrusPsyllid1
The ACP (Asian citrus psyllid) was found in Lodi and Manteca.  Click here to find out how you can help prevent the spread of this unwanted pest and what to do if you think you have it.

Who We Are

Across California, the University of California’s 64 Cooperative Extension offices are local problem-solving centers. We are the bridge between local issues and the power of UC research. Our county-based staff is part of the community – we live and work in the areas we serve.

More than 300 campus-based specialists and county-based farm, home and youth advisors work as teams to bring practical, unbiased, science-based answers to problems across California.

As part of the agricultural community, we help farmers develop more-efficient growing methods, solve pest management problems and develop crops and irrigation methods that use less water.

As stewards of the land, we help develop smart water-use strategies, develop wildfire education and help preserve natural areas and farmland.

As advocates for healthy communities, we promote healthy diets and exercise for better health, help Californians learn to choose the most nutritious foods and help shape the citizens of tomorrow through the 4-H Youth Development Program.

And thousands of volunteers extend the reach of our work through the Master Gardener Program and the California 4-H Youth Development Program.

We work in full partnership with federal, state, county and private resources.

We are stewards, problem-solvers, catalysts, collaborators and educators.

We are UC Cooperative Extension.

UC Blogs

Bohart Museum: The Joy of Eating...Drum Roll...Insects

Make a meal out of mealworms? Danielle Wishon baked these mealworm cookies. Yes, they were good. (Photo by Danielle Wishon)

If you want to know what it's like to eat a bug—doesn't everybody?--ask an entomologist, a bug ambassador, or an entomophagist, one who eats insects. So we did…Because the Bohart Museum of Entomology is hosting an open house on entomophagy...

Posted on Wednesday, September 18, 2019 at 2:59 PM
Focus Area Tags: Agriculture,Economic Development,Environment,Food,Innovation,Natural Resources,Yard & Garden

Zeroing in on the Deadly Game Between Honey Bees and Their Predators

A crab spider nails a honey bee while another honey bee watches. This image, on bluebeard, Caryopteris x clandonensis, was taken in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

If you're around honey bees, you've seen their predators: crab spiders, orb weavers, praying mantids, birds and more. It's a tough world out there for pollinators. Take it from UC San Diego bee scientist James Nieh, who will be on the UC Davis campus...

Posted on Tuesday, September 17, 2019 at 5:19 PM
Focus Area Tags: Agriculture,Economic Development,Environment,Innovation,Natural Resources,Pest Management,Yard & Garden

This Bug's for You! Enjoy Tasty Bugs at the Bohart Museum Open House

Biologist Iris Bright checks out a red earthworm, one of the items available for sampling at the Bohart Museum of Entomology's open house on Sept. 21. (Photo by Kathy Keatley Garvey)

Ever eaten a bug? Sure you have. Insect fragments are in just about all the foods we eat, from chocolate to coffee to wheat flour to pizza sauce to beer and more. An insect control company estimates that we eat, on the average, 140,000 "bug bits" every...

Posted on Monday, September 16, 2019 at 2:48 PM
Focus Area Tags: Agriculture,Economic Development,Environment,Family,Food,Innovation,Natural Resources

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Director:
Brent A Holtz Ph.D.

1040

San Joaquin County Cooperative Extension
Robert J. Cabral Ag Center

2101 E. Earhart Avenue, Ste 200, Stockton, CA 95206
Phone: (209) 953-6100
Fax: (209) 953-6128
e-mail: cesanjoaquin@ucdavis.edu
Click here for a map

Ag Center May 2008

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UC Blogs

UCCE climate-smart educator Esther Mosase, left, and UCCE specialist Jeff Mitchell at the field day. Mosase is a native of Botswana, the African country where Mitchell served in the Peace Corps before she was born. UC Cooperative Extension encourages adoption of healthy soil techniques on California farms
Before the San Joaquin Valley was cultivated, vast grasslands stretched from the Sierra to the Coast Range with soil that contained significant organic matter – a diversity of live and dead plant material and microbes that are key to soil...

A blue oak stands in a vineyard. The bat echolocation microphone and yellow sticky card (to sample insects) at the top of the telescoping pole are attached to a vine post at the edge of the tree canopy. Oaks in vineyards a ‘win-win’ for bats and growers
Californians love their oak trees. During vineyard development, Central Coast grape growers often feel compelled to leave an old iconic oak standing, even if it ends up right in the middle of their vineyard. While driving through the Central...

UCCE Integrated Pest Management advisor Jhalendra Rijal addresses farmers, pest control advisers and UC Master Gardener volunteers in a Turlock almond orchard. (Photo: Michael Rosenblum, UCCE Stanislaus County) UCCE advisor addresses severe brown marmorated stink bug damage in Turlock orchard
Last May, a Turlock almond grower noticed nearly all the nuts on a row of trees in his orchard had fallen to the ground. “It looked like we shook this row,” he said. “I was scared. I thought the whole orchard was going to...

A new Humboldt County PBA participant enjoys his first prescribed burn in June 2019. (Photo: Lenya Quinn-Davidson) California’s first Prescribed Burn Association shows why we need more in the state
California's 2018 wildfire season was the deadliest and most destructive the state has ever seen. Even before the flames were extinguished, politicians, researchers, foresters, firefighters, insurance and utility company representatives, homeowners and...

The event's tagline is 'Regions Rise Together,' suggesting that local economies can rise along with the state's more populated areas. The 2019 California Economic Summit registration opens
Gov. Gavin Newsom is slated to be the headline speaker Registration has opened for the 2019 California Economic Summit, to be held in Fresno Nov. 7-8. The summit, produced by California Forward (CA Fwd), marks the eighth annual gathering of...

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