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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

Ever Seen a Honey Bee Cleaning Her Tongue?

A honey bee cleaning her tongue. (Photo by Kathy Keatley Garvey)

We humans brush our teeth, and we sometimes brush our tongues. But have you ever seen a honey bee cleaning her tongue? Bay Nature contributing editor Alison Hawks recently asked two of our UC Davis bee experts why bees clean themselves.  Their...

Posted on Thursday, July 30, 2015 at 4:22 PM

It Suits Them to a 'T'

Gulf Fritillary (Agraulis vanillae) on Tithonia. (Photo by Kathy Keatley Garvey)

It suits them to a "T." And the "T" is for Tithonia. Many species of butterflies frequent our Tithonia, also known as Mexican sunflower. Like its name implies, it's a member of the sunflower family, Asteraceae. On any given Sunday--not to...

Posted on Wednesday, July 29, 2015 at 9:04 PM
Tags: Anise Swallowtail (6), Gulf Fritillary (25), Monarch (1), skipper (3), Tithonia (16)

Meet Me at the Fair!

McCormack Hall assistant superintendent Sharon Payne of Vallejo, a past president of the Solano County 4-H Leaders' Council, stands next to youth photography featuring insects. (Photo by Kathy Keatley Garvey)

County fairs are filled with fun, food and festivities. They're meant to educate, inform and entertain. What we've always loved about the county fairs: the incredible exhibits. Especially exhibits dealing with photographs and paintings of insects. When...

Posted on Tuesday, July 28, 2015 at 4:50 PM

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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

Flames and smoke fill the sky behind a Southern California subdivision. Wildfires are unpredictable, but preparation can help protect homes and animals
Posted 7/29/2015 - Four years of drought has left California with acres of dry brush and dying trees, abundant fuel for wildfires. Currently, CalFIRE's fire map shows several major fires burning in California. “There are two factors that help fires spread - winds...

These almonds are still in the hull on the tree. Using the orchard biomass, hulls and shells for renewable power generation, soil amendment and dairy feed reduces the carbon footprint. California almonds have small carbon footprint compared to other protein foods
Posted 7/23/2015 - California produces more than 80 percent of the world's commercial almonds. Popularity of the nuts has spurred almond acreage in the state to expand from 510,000 acres in 2000 to roughly 890,000 acres in 2015, according to the USDA National Agricultural...

Harrison PNAS Drought is impacting California’s wildflowers
Posted 7/15/2015 - Native wildflowers in California are losing species diversity after multiple years of drier winters, according to a study from the University of California, Davis, which provides the first direct evidence of climate change impacts in the state's...

Letting lawn die does more harm than good. The drought needs not be a death sentence for lawns
Posted 7/13/2015 - While a golden brown lawn is seen as a badge of honor to some residents of drought-stricken California, in fact, they are doing more harm to the environment than good, says UC Agriculture and Natural Resources turf expert Jim Baird. “People have...

Formica moki (Photo by Phil Ward, www.entweb.org) What do you know about ants?
Posted 7/7/2015 - What do you know about ants? If you think they're just uninvited guests at your picnic or something to spray or stomp, think again.  They're marvelous creatures, as any ant specialist will tell you.  You can learn about them from noted ant...

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