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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

Good News for the Bees!

Honey bee foraging on mustard. (Photo by Kathy Keatley Garvey)

Good news for the honey bees! And none too soon. U.S. Department of Agriculture (USDA) Secretary Tom Vilsack announced today (Oct. 29) in a press release that "more than $4 million in technical and financial assistance will be provided to help farmers...

Posted on Wednesday, October 29, 2014 at 9:26 PM
Tags: honey bees (214), mustard (5), NRCS (1), pollinators (9), Tom Vilsack (1), USDA (2)

Anthony Cornel Knows Mosquitoes

Medical entomologist Anthony Cornel with a snake in Brazil.

Medical entomologist Anthony “Anton” Cornel knows his mosquitoes--and a few snakes, too. When he was doing research in Brazil in September, he draped a snake around his neck and posed for the camera. His favorite research subjects, though,...

Posted on Tuesday, October 28, 2014 at 5:04 PM

Unraveling the Mystery of DEET

UC Davis scientists in the Walter Leal lab have discovered the odorant receptor in the Culex mosquito that repels DEET. From left are project scientist Pingxi Xu;  postdoctoral scholar Young-Moo Choo; AgChem graduate student Alyssa De La Rosa; and Professor Leal. (Photo credit: Academic Technology Services/Mediaworks)

You spray DEET on your arms, and those pesky mosquitoes leave you alone. It works. However,  not everyone wants to use DEET, a synthetic insect repellent. There's that smell, for one thing. "Properties that people do not like in addition to the...

Posted on Monday, October 27, 2014 at 5:05 PM

Make a Gift Online

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

California Naturalist Scott Van Tyle takes a close look at a sea kelp rootball on the beach at Asilomar. The California Naturalist program hits its stride
Posted 10/30/2014 - Under sunny skies, a cool breeze blowing off the ocean at Asilomar State Beach, California Naturalist Scott Van Tyle pulls out a knife and begins dissecting a seaweed root ball that had washed up on the sand. A group of fellow naturalists quickly gather...

It's easy to confuse light brown apple moth caterpillars (above) with look-alikes, including orange tortrix, omnivorous leafroller, avocado leafroller and apple pandemic moth. Is that a light brown apple moth?
Posted 10/28/2014 - Nursery workers are the first line of defense in detecting light brown apple moth when growing ornamental plants in commercial nurseries. A new brochure and video can help those in the field distinguish light brown apple moth from several look-alike...

UC Cooperative Extension is conveying fire science to wildland managers. UCCE helps span the boundary between fire science and fire management in California
Posted 10/28/2014 - After academics complete fire science research, the results often end up gathering dust on a shelf. UC Cooperative Extension is now playing a significant role in bridging the gap between wildland fire science and wildland managers across the United...

The front rendering of the UC Davis students' farmworker housing unit. Students design a solar home for farmworkers
Posted 10/22/2014 - When a team of UC Davis students packs up its house and travels to Irvine next year for the U.S. Department of Energy's 2015 Solar Decathlon competition, its members will bring not only a desire to win, but also to make zero-net-energy homes...

After light rain in December and January, a ranch manager uses feed supplements to make up for less forage. Ranching and California's drought: A workshop & webcast
Posted 10/21/2014 - One image has had every Californian cringing this year: the U.S. Drought Monitor map. Like a slice of molding bread, the drought began in the middle, grew darker and moved outward in concentric rings that gradually devoured the state. The reaction...

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