Alternatives to Citrus in the Fight Against ACP/HLB

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Rod Stiefvater speaks at a Department of Plant Sciences seminar
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Gift extends UC Davis pistachio research on new scions, rootstocks

March 6th, 2025
By Emily C. Dooley
The University of California, Davis, is enhancing and expanding its Pistachio Breeding Program after a generous gift from philanthropist and pistachio farmer Rod Stiefvater, who is donating more than $335,000 over three years to develop new rootstocks that thrive under changing climate conditions.
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Hand turns on a tap with water splashing out of a glass
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Survey: Water system consolidations improve water quality, infrastructure

February 28th, 2025
By Michael Hsu
Kristin Dobbin, a UCCE specialist, is studying the consolidation of water systems, which can entail creating physical connections (such as pipelines) between water systems or administrative mergers that leave the physical infrastructure unchanged. Water system consolidation has become a top solution in…
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A shepherd and dog move sheep across a field
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California producers: Climate change is real; we could use a little help

February 26th, 2025
By Trina Kleist
How can farmers and ranchers continue to grow our food while facing challenges of a changing climate, increasingly scarce water, land use pressures and rising costs? UC and UC ANR scientists are using surveys and interviews with people in the state's agricultural sector to learn what folks need to stay…
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Image of Black Oak acorns with description and harvesting guidelines
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The Principles of Indigenous Food Sovereignty

February 5th, 2025
By Kitty Oppliger
Indigenous Food Sovereignty: Opportunities and Importance in Extension work In 2007, the first global Forum on Food Sovereignty defined the concept as the right of peoples to healthy, culturally appropriate food produced through ecologically sound and sustainable methods, and their right to define t...
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Workers move cardboard boxes on the back of flatbed trucks in a lettuce field
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Will importing workers lead to importing crops?

December 6th, 2024
A dwindling and aging agricultural workforce, coupled with higher labor costs, have added pressure on U.S. farms over the past decade. A recent study by University of California agricultural economists Alexandra Hill and James Sayre explores these changing trends in U.S.
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Students from Fullerton Joint Union High School, including Andres Martinez (right), snack on lettuce grown in hydroponics at the South Coast REC. Photo by Saoimanu Sope.
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South Coast REC program educates, trains future ag workforce

November 18th, 2024
By Saoimanu Sope
Renowned for pioneering research that leads to exciting new crop varieties like the Luna avocado, the University of California South Coast Research and Extension Center (REC) in Irvine is also an important hub for agricultural education.
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Students pose with their advisor next to the agricultural robot they designed
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Students design high-tech solutions through Farm Robotics Challenge

October 25th, 2024
By Michael Hsu
A robot that navigates and weeds row-crop fields and its design team from Olin College of Engineering in Massachusetts have garnered the grand prize in the second annual Farm Robotics Challenge. Five winning teams, representing various universities and colleges across the U.S.
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Beyond Citrus: Fruit Tree Options for Los Angeles & Southern California

Los Angeles County and neighboring areas of Southern California are a paradise for gardeners who enjoy growing fruit trees in their backyards, at their community garden, or even in a container on their patio. This website suggests some possible fruit trees for your family to enjoy.

Adding fruit trees to your garden can improve your family’s health, since the fruit you harvest will be full of fiber and vitamins. People who eat more fruits and vegetables as part of an overall healthy eating style are likely to have a reduced risk of some chronic diseases. Learn more about the benefits of eating more fruit and recipe ideas here.

Citrus trees, such as oranges and lemons, are not included in our recommended list. That’s because of a tiny insect called the Asian Citrus Psyllid, which carries a disease called Huanglongbing, or citrus greening, that kills citrus trees. Once a neighborhood is infected with the disease, it can be spread quickly by this pest, endangering local citrus trees and California’s commercial citrus orchards.

Until there is a cure for the disease, it’s a good idea to select other types of fruit trees for your yard. Enjoy everything from apples to figs to pomegranates from your garden and purchase citrus from farmer’s markets or grocery stores. This precaution will help keep remaining California citrus safe.

If you do have citrus trees in your yard, learn more about how to care for, protect, and monitor them for the psyllid and disease here: https://ucanr.edu/sites/ACP/Homeowner_Options/.

Where there are confirmed incidences of Huanglongbing close to your location, you may want to be proactive and consider replacing your citrus tree with another fruit tree. This guide can help you determine whether you should think about replacing your tree, and our interactive map can determine how close HLB is to your home.

Watch a short video about the Asian Citrus Psyllid and Huanglongbing disease and the Alternatives to Citrus project:
https://youtu.be/jk1dD3V01MM.

 

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