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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

William Hazeltine II: His Passion, His Work Live On

UC Davis graduate students who received the Hazeltine mosquito research awards in both 2015 and 2016 are (front, from left) Maribel Portilla, Sandy Olkowski and Stephanie  Kurniawan. In back are Lee Hazeltine (left) of Woodland and Craig Hazeltine of Scottsdale, Ariz. (Photo by Kathy Keatley Garvey)

Noted medical entomologist William Hazeltine II (1926-1994) made a difference. Today he continues to make a difference through his legacy--supporting mosquito research of UC Davis graduate students. Hazeltine, a U.S. Navy veteran who studied entomology...

Posted on Friday, August 26, 2016 at 6:30 PM

Have a Rice Day! (Except for the Armyworms)

Fall armyworm, Spodoptera frugiperda, is a pest of rice. (Photo courtesy of Wikipedia: Canadian Biodiversity Information Facility)

It's a day that rice growers look forward to. Bugs, not so much. Because they're targeted. Especially the fall armyworms. California's 2015 rice season indicated unprecedented levels of armyworms--the highest of the last 25 years, according to...

Posted on Thursday, August 25, 2016 at 5:51 PM

Forget the Soaps: Let's Talk Soapberry Bugs!

Meredith Cenzer in front of her computer. (Photo by Kathy Keatley Garvey)

A soap opera is usually defined as a drama performed as a serial on daytime TV. But soapberry bugs and the people who study them are much more interesting!  Forget the soaps; let's talk about soapberry bugs and an entomologist at the University of...

Posted on Wednesday, August 24, 2016 at 5:29 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

Groundwater is drawn by a pump to irrigate almonds in Fresno County. California's new groundwater law leaves unanswered questions
Posted 8/25/2016 - The Sustainable Groundwater Management Act (SGMA) is a revolutionary law that will have profound impacts on the state's agriculture industry, however, it also leaves out many implementation details, according to Michael Kiparsky, director of the Wheeler...

According to a UC Berkeley news report, about one-third of the value of California agriculture comes from pollinator-dependent crops, representing a net value of $11.7 billion per year. Protect bees from pesticides by using bee precaution ratings from UC IPM
Posted 8/22/2016 - Various insects, birds and other animals pollinate plants. Bees, especially honey bees, are the most vital for pollinating food crops. Many California crops rely on bees to pollinate their flowers and ensure a good yield of seeds, fruit and nuts....

Anthony Cornel, Ph.D., UC Davis entomologist and UC ANR researcher, based at the UC Kearney Agricultural Research and Extension Center in Parlier. The battle against Aedes aegypti, the mosquito that spreads Zika
Posted 8/22/2016 - The UC Mosquito Research Laboratory in Parlier is the epicenter of California research on the Aedes aegypti mosquito, a tiny, black and white mosquito that can spread the Zika virus. Aedes aegypti were first identified in California in June 2013, when...

UC IPM's online course for IPM in school and child care settings satisfies the new training requirement of the Healthy Schools Act. New law requires annual training for anyone applying pesticides at school sites
Posted 8/17/2016 - School is already back in session for many children in districts throughout California, and several others will be starting back to school in the next couple of weeks. While students and teachers were enjoying summer break, an amendment to the Healthy...

Opening the door for recreational activities - such as wildlife watching - on private land is an incentive for conservation. (Photo: Robin Eliason, USDA) Recreation on private land offers potential for conservation
Posted 8/9/2016 - Successfully integrating human activities with ecosystem conservation forms the foundation of sustainability and is key to maintaining biological diversity. A new study has found that recreational use of private land in the U.S. could have significant...

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