In California our citrus trees are severely threatened by a deadly and incurable plant disease called huanglongbing (aka HLB or citrus greening). It is possible to save citrus trees from this disease by removing and destroying unloved citrus trees.

Update: The tree removal program has ended.

An updated map of the HLB-affected areas can be found here:
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Now that the Asian citrus psyllid and HLB (sometimes also called citrus greening) are present in California, a higher level of care is required for citrus trees to prevent spread of this deadly disease. At a minimum, ants must be kept off of citrus trees as I show in the following video because they protect the psyllids from natural enemies:
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Green waste from citrus trees must also be handled properly to avoid spreading psyllids as I show in the following video:
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