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Green news from the UC Division of Agriculture and Natural Resources
Hills
Comments:
by Michael
on December 14, 2015 at 5:00 PM
Have they tried high intensity steaming of the tree to kill the bacterium, similar to Citrus Greening in Florida
by Jerrold Turney
on May 11, 2017 at 8:59 AM
Olive leaf scorch is common and wide spread in So. CA. I first saw dying olive trees at the Adamson House Stat Park in Malibu in 2001. I collected 11 samples and submitted them to the CDFA Plant Pest Diagnostic Lab in Sacramento. Seven were positive for X. fastidiosa and all the olives died at the park. I see dead and dying olive everywhere in S. CA. It is also killing Liquidambar, Oleander, Plum and Crape Myrtle.  
 
Jerrold Turney Ph.D.  
Senior Biologist/Plant Pathologist  
Dept. of Agricultural Commissioner/Weights and Measures  
County of Los Angeles  
562 622-0433
 
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