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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

Congrats, UC Davis Ecologist Louie Yang

Ecologist/associate professor Louie Yang (right) chats with students Geoffey Osgood (far left), animal biology major and Ryan Schemrich, entomology major. (Photo by Kathy Keatley Garvey)

Congratulations, Louie Yang! The ecologist, an associate professor, UC Davis Department of Entomology and Nematology, has been named the faculty recipient of the 2017 Eleanor and Harry Walker Academic Advising Award from the College of Agricultural and...

A Big Butterfly-and-Bee Day at the Bohart

Entomologist Jeff Smith, who curates the butterfly and moth display at the Bohart, shows South American rainforest butterflies, Preponas, in the genus Archaeoprepona to butterfly-bee enthusiast Ria deGrassi of Davis. (Photos by Kathy Keatley Garvey)

It was a big butterfly-and-bee day at the Bohart. Despite other major attractions--including the gorgeous spring day and the March Madness basketball tournament--nearly 300 people visited the UC Davis Bohart Museum of Entomology last Saturday during its...

Posted on Tuesday, March 21, 2017 at 4:11 PM

Aphids--It's What's for Dinner!

A multicolored Asian lady beetle, Harmonia axyridis, chows down on an aphid while other aphids suck juices from the rosebud. (Photo by Kathy Keatley Garvey)

"Well, yes, I would like some aphids for dinner," said every lady beetle (aka ladybug) everywhere. With the lush green growth of spring, come aphids (the prey) and lady beetles (the predators). And now, if you look closely, you'll see clusters or rows...

Posted on Monday, March 20, 2017 at 4:55 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

Calendar

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

UC Blogs

Never store pesticides in food or drink containers. It is illegal! National Poison Prevention Week — March 19-25, 2017
Posted 3/22/2017 - According to the Centers for Disease Control and Prevention (CDC), poisoning is the No. 1 cause of injury-related death in the United States, and 1,073 people in California were poisoned by pesticides in 2014 alone. Each year since 1962, National Poison...

UC Santa Cruz professor Eric Palkovacs in the field. UC water institute announces 2017 grant recipients
Posted 3/13/2017 - The UC California Institute for Water Resources (CIWR) has announced the recipients of six grants to address the most critical water issues in the state. For this program, the Institute leverages funds it receives from the Water Resources Research Act of...

Dead trees in the Sequoia National Forest. (Photo: U.S. Forest Service) Reevaluate the Sierra Nevada landscape after removing dead trees
Posted 3/9/2017 - This winter, a generous amount of rain and snow has fallen on California, but it can't erase the brown swaths of dead and dying trees in the Sierra Nevada caused by five years of drought and decades of forest mismanagement. Fire suppression and the...

Jarred Burkett, 10, of the Sherwood Forest 4-H Club, Vallejo, talks about his chicken, Frostbite, at the Solano County 4-H Presentation Day, held recently in Dixon. (Photo by Kathy Keatley Garvey) Fine feathered friends forever
Posted 3/8/2017 - Forget BFF (Best Friends Forever). For Solano County 4-H'er Jarred Burkett, it's also FFFF (Fine Feathered Friends Forever). Jarred, 10, a member of the Sherwood Forest 4-H Club in Vallejo raises free-range chickens at his American Canyon home —...

Spotted wing drosophila National Invasive Species Awareness week: Feb. 27 – March 3, 2017
Posted 2/28/2017 - Invasive species are plants, animals, fungi or microbes that are not native to an area, but can quickly establish, multiply and become pests. These species can hurt the environment, agricultural production and even human health in some instances (e.g....

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