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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

It's Bugged! And You Won't Want to Miss It!

Gloria Gonzalez hangs a needlepoint fan, the work of Laura Ryan of Benicia. Note the blue butterfly. (Photo by Kathy Keatley Garvey)

It's bugged. Yes, bugged. And you won't want to miss it. If you head over to the 69th annual Solano County Fair, 900 Fairgrounds Drive, Vallejo, between now and Sunday, July 31, you'll see lots of bees, butterflies, lady beetles, dragonflies,...

Posted on Thursday, July 28, 2016 at 4:20 PM

Proof of Life

A monarch caterpillar summits a milkweed, Asciepias speciosa. (Photo by Kathy Keatley Garvey)

Sometimes caregivers, including grandparents, aunts, uncles, cousins and neighbors, take photos of babies to show "proof of life." They post them for the parents to see, admire and confirm. It's delightful to see images of your offspring while you're on...

Posted on Wednesday, July 27, 2016 at 2:22 PM

Bully in the Bee Garden

Male European wool carder bee (Anthidium manicatum)targets a female Valley carpenter bee (Xylocopa varipuncta) on a bluebeard (Caryopteris). (Photo by Kathy Keatley Garvey)

He's the bully in the bee garden. If you've ever watched the male European wool carder bee (Anthidium manicatum) patrolling "his" flower patch, you'll see him targeting insects several times larger than he is. Take the case of the Valley carpenter bee...

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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

Xia Chang works with a Hmong farmer on making changes to energy billing. Hmong farmers getting help from UC Cooperative Extension to weather the drought
Posted 7/25/2016 - After the Central Valley Hmong Agriculture radio show last week, the phones at the UC Cooperative Extension office in Fresno County were buzzing non-stop with farmers anxious to apply for state grants to improve irrigation systems and energy efficiency....

Firebaugh farm manager Jesse Sanchez speaks at a soil care demonstration. Lessons from six California soil care farmers
Posted 7/21/2016 - Despite the growing interest in soil health in many parts of the country, the notion hasn't captured the imagination of most farmers in California. The Golden State's lackluster attention to soil care is likely due to “phenomenal yield increases...

UC Davis entomology graduate student Jessica Gillung holds a tray of Atlas moths at the Bohart Museum of Entomology. (Photo by Kathy Keatley Garvey) A moth's night out: Celebrate moths at Bohart Museum
Posted 7/19/2016 - If you're the kind of person who deliberately allows cobwebs or spider webs to grace your porch light, you may be the curious type - or have a little bit of entomologist in you. Like a moth to a flame? Yes, and you can learn more about moths at the...

Ten acres at Kearney are set aside for organic research. Organic symposium proceedings now available
Posted 7/18/2016 - Summaries of presentations from the 2016 Organic Agriculture Research Symposium (OARS) held in Pacific Grove are now available online at http://eorganic.info/node/16778. Many of the workshops and keynote presentations were recorded live and may be viewed...

Peach trees in the highlands of Guatemala with a view of the Santa Maria Volcano in the distance. IPM information extends to apple and peach growers in Guatemala
Posted 7/8/2016 - Did you know that apples and peaches are two important fruit crops planted in the highlands of Guatemala? More than 7,600 acres of apples and 6,100 acres of peaches are grown. However, with warm winters that don't allow for the winter chilling time that...

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