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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

Monarch Sightings in the UC Davis Arboretum: Cause for Celebration

A monarch on milkweed in the UC Davis Arboretum. (Photo by Kathy Keatley Garvey)

What a delight to see. We strolled through milkweed patches in the UC Davis Arboretum Thursday noon and saw them. Monarchs! The monarch butterflies (Danaus plexippus) are returning from their coastal California overwintering sites. And we're getting...

Posted on Friday, May 26, 2017 at 6:28 PM

Christine Merlin and Monarchs: How They Use Their Circadian Clocks for Seasonal Migration

Christine Merlin, shown here examining a monarch butterfly, will speak on

Did you know that monarch butterflies use a circadian clock to navigate to their overwintering sites during their seasonal long-distance migration? Yes, they do, says a Texas A&M researcher. Christine Merlin, an assistant professor in Texas...

Posted on Thursday, May 25, 2017 at 4:59 PM

Bumble Bees: Pollen Power in the Phacelia

It's mine--move away! Two bumble bees, species Bombus vandykei, seek the same Phacelia blossom on the UC Davis central campus. (Photo by Kathy Keatley Garvey)

Talk about pollen! The bumble bees, Bombus vandykei (as identified by Robbin Thorp, distinguished emeritus professor of entomology at the University of California, Davis), were buzzing all over the Phacelia last week on the central campus. One bumble...

Posted on Wednesday, May 24, 2017 at 5:10 PM
Tags: Bombus vandykei (4), golden pollen (1), Phacelia (2), Robbin Thorp (197), UC Davis (113)

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
8/22/2017

UC Blogs

Conservation easement. Graduate Students in Extension study key California concerns
Posted 5/23/2017 - In 2013, a group of graduate students in the Department of Environmental Science, Policy, and Management (ESPM) at the University of California, Berkeley sought out faculty support and successfully collaborated with UC Agriculture and Natural...

Death Valley National Park visitors enjoy wildflowers from the road. Photo courtesy of the NPS. Enjoy nature, but don't love it to death
Posted 5/18/2017 - Spring is here and that means time to get outside and enjoy California's beauty. This year people are out in record numbers to see wildflowers and experience all the recreational opportunities that parks offer. CNN reported triple the usual number of...

UC Master Gardener demonstration gardens offer knowledge and examples on how to grow a variety of plants in your garden. Visit one today and be inspired! Visit a UC Master Gardener demonstration garden, learn and be inspired
Posted 5/4/2017 - Birds are chirping, the sun is shining and flowers are in bloom – it is time to get out into a garden and enjoy nature's beauty. UC Master Gardeners have been working hard to bring demonstration and community gardens to life across California, and...

Participants use clinometers to measure angles to estimate tree height. Free forestry workshops to help teachers meet new science standards
Posted 4/18/2017 - California's K-12 teachers are being challenged by the Next Generation Science Standards to find new and more engaging ways to teach science. Adopted by California in 2013, the science-education standards guide how science, technology, engineering and...

Humans will have to adapt to living with wildfire, write University of Colorado Boulder and UC ANR scientists. Adaptation includes reforming federal, state and local policies that have the unintended consequence of encouraging people to develop in fire-prone areas. New era of western wildfire demands new ways of protecting people, ecosystems
Posted 4/17/2017 - Current wildfire policy can't adequately protect people, homes and ecosystems from the longer, hotter fire seasons climate change is causing, according to a new paper led by the University of Colorado Boulder. Efforts to extinguish every blaze and...

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