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The original item was published from 1/26/2021 8:53:00 AM to 2/26/2021 2:26:59 PM.

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Spotlight on Orange

Posted on: January 26, 2021

[ARCHIVED] Citrus Disease: Could Your Trees Be Threatened?

California Citrus Threat Infographic

Citrus Disease: Could Your Trees Be Threatened?


The State of California needs your help to combat an ever-present threat to our local citrus trees. It's called “Huanglongbing” disease, which is also known as HLB. The disease is spread by an insect called the Asian citrus psyllid, and while it is not harmful to humans, it is fatal for the trees. So far, thousands of trees in Southern California have already been detected with the disease.

In Orange, our parks are home to several varieties of Orange trees, and our Orange Parks staff have been diligent in monitoring their health, checking for signs that they may be under threat. Please join with us in making sure your own trees are free of this disease. If you have orange or other citrus trees on your property, inspect them for signs of both the disease and the insect. Use the attached infographic to learn what to look for. If you spot symptoms of the disease, call the State’s HLB hotline at (800) 491-1899.

The California Department of Agriculture has an emergency  treatment program in place, with teams in several Orange County Cities, including Orange, spraying to eliminate the Asian citrus psyllid.

To learn more about citrus greening disease, the Asian citrus psyllid, and what you can do to help protect our California citrus trees, click here. 

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