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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

A Little Wind Beneath His Wings

Caught in flight: Flameskimmer dragonfly,Libellula saturata. (Photo by Kathy Keatley Garvey)

It was windy enough to trigger a small craft advisory. Yet here comes a flameskimmer dragonfly (Libellula saturata) around noon on Monday, Memorial Day, circling our little bee garden. He chases a few flying insects around and then perches on a bamboo...

Posted on Tuesday, May 26, 2015 at 5:30 PM

Down on the Farm...

A farmer's hand and a very beneficial insect, the lady beetle, aka ladybug. (Photo by Kathy Keatley Garvey)

Down on the farm...the Loma Vista Farm.... When the Loma Vista Farm--part of the Vallejo City Unified School District--recently hosted its annual Spring Festival, scores of folks came to see the animals, buy a plant or two, and participate in the many...

What's That Bug?

The championship Linnaean Team, Pacific Branch of the Entomological Society of America: (from left) Jéssica Gillung, Brendon Boudinot, and Ralph Washington Jr. (Photo by Kathy Keatley Garvey)

It's exciting, entertaining and educational to watch the Entomological Society of America's Linnaean Games. Teams of graduate or undergraduate students challenge one another in a college bowl-like competition about entomological facts, trivia and noted...

Posted on Friday, May 22, 2015 at 3:49 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

Pacific fisher Public to weigh in on Sierra Nevada forest recommendations May 27
Posted 5/22/2015 - To protect forests and homes from wildfire, vegetation is often removed to reduce fuel for a fire. But how do those forest management treatments affect fire risk, wildlife, forest health and water? Since 2006, a team of University of California...

People and cattle can peacefully coexist on working rangelands. (Photo: Pixabay) People and cattle can share open space
Posted 5/7/2015 - When a hiker on a San Francisco Bay Area parkland unknowingly walked between a cow and her calf, the mother came over, knocked the hiker down and stepped on him. In another incident, a woman walking her dogs off leash was chased by cows. She slipped and...

An adult honey bee on a white clover blossom.  Photo by Jack Kelly Clark Bee kind to pollinators – Use integrated pest management to reduce pesticide use
Posted 5/6/2015 - The importance of pollinators – such as bees, butterflies, moths, and hummingbirds – is becoming more widely known. Bees pollinate approximately 35 percent of the food we eat. Pollinators as a whole are worth about $15 billion to the...

Fuller rose beetles emerged and laid eggs throughout winter 2014-15. Usually their development is slowed by cold winter weather. Mild winter gave agricultural pests a head start in 2015
Posted 5/5/2015 - San Joaquin Valley farmers are facing an unusually high pest population this spring due to the milder than normal winter, and rapidly warming spring conditions, says a UC Agriculture and Natural Resources entomologist. “I've never seen this happen...

Rubicon River, El Dorado National Forest King Fire provides learning opportunities
Posted 4/29/2015 - Over a dozen UC Agriculture and Natural Resources (UC ANR) California Naturalists, fire ecology experts, wildlife biologists, resource managers, educators, and artists met at UC Berkeley's Blodgett Forest Research Station and the adjacent El Dorado...

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