Diseases caused by Xylella in California


Xylella fastidiosa causes four important crop diseases in California: Pierce's disease of grapevines, almond leaf scorch, alfalfa dwarf, and oleander leaf scorch. Oleander leaf scorch, is suspected to be caused by a strain of Xylella fastidiosa. Diseases have also been reported in some weed species such as umbrella sedge, poison hemlock, and Dallis grass.

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