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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

Steve Sheppard: Keynote Speaker at UC Davis Bee Symposium

A honey bee pollinating an almond blossom. (Photo by Kathy Keatley Garvey)

Do you know how to keep your bees healthy or do you want to learn more about bees? Registration for the third annual UC Davis Bee Symposium, "Keeping Bees Healthy," set Sunday, May 7 in the UC Davis Conference Center, gets underway on Wednesday, March...

Posted on Tuesday, February 28, 2017 at 5:04 PM

A Delightful Find

The egg case or ootheca of a praying mantis, is attached to the stem of a lavender plant. Note the small hole on the left, near the top--the exit hole of a parasitoid, according to Lynn Kimsey, director of the Bohart Museum of Entomology at UC Davis. (Photo by Kathy Keatley Garvey)

Any day's a good day when you find the ootheca (egg case) of a praying mantis in your yard. It's much better than finding an Easter egg. Ootheca comes from the Greek word "oo," meaning egg and the Latin word, "theca," meaning a cover or container. A...

Posted on Monday, February 27, 2017 at 3:40 PM

It's a Honey of a Festival

A frame from a hive. The California Honey Festival will feature honey, mead, bees, speakers, live music, a kids' zone, and arts and crafts. (Photo by Kathy Keatley Garvey)

It's going to be a honey of a festival. Truly. And Amina Harris would love it if you're interested in participating in this event or volunteering. Harris directs the UC Davis Honey and Pollination Center, Robert Mondavi Institute for Wine and Food...

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

Calendar

Event Name
Date
5/23/2017
8/22/2017

UC Blogs

Quinn would like to put collars on urban coyotes to study whether the animals move away from locations after hazing. New mobile app to track close encounters with coyotes
Posted 2/13/2017 - As urban coyote numbers rise, the animals are increasingly crossing paths with residents. There have been police reports of coyotes attacking pets and even people, but there has been no place to report casual coyote encounters. Now there is a new...

A fallen almond tree that was weakened by Ganoderma fungus. (Photo: Bob Johnson) A foreboding fungus is threatening orchards in the San Joaquin Valley
Posted 1/17/2017 - When an almond tree keels over in a mature orchard, it could be a sign of something ominous. UC scientists are tracking a fungal infection in San Joaquin Valley almond trees that can cost farmers hundreds of thousands of dollars in lost...

Ph.D. candidate Deirdre Griffin at a research plot at the Russell Ranch Sustainable Agriculture Facility In a new study biochar helps yields, but only in the short term
Posted 1/11/2017 - Adding biochar to a farm's field is an irreversible decision, so understanding its long-term impacts is essential for farmers to make informed decisions. Biochar, a charcoal created from organic materials burned at high temperatures and added as a soil...

Cattle grazing in Mariposa County. Grass-fed beef production a possible money-maker for Central California ranchers
Posted 12/19/2016 - The health benefits of grass-fed beef are well documented. Meat from cattle that live out their lives grazing on rangeland before being processed has more beta-carotene, vitamin E and omega-3 fatty acids than the meat from animals finished at feed...

This NEXRAD map shows where migrating waterfowl are gathered in rice fields, herbaceous wetlands and other agricultural land. Weather radar helps researchers track bird flu
Posted 12/7/2016 - The same weather radar technology used to predict rain is now giving UC researchers the ability to track wild birds that could carry the avian influenza virus. Avian influenza, which kills chickens, turkeys and other birds, can take a significant...

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