Researchers have detected the first sample in a commercial grove of an Asian citrus psyllid that tested positive for the bacteria that causes Huanglongbing (HLB). In its advisory, CDFA said while the detection is cause for serious concern, the disease itself has not been found in a commercial grove.
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The report came from a grove in the Woodcrest area of Riverside County. CDFA staff have been taking samples and conducting surveys across the perimeter of the site. Growers within a 250-meter radius are being encouraged to apply insecticides to stop the psyllid. The area is under quarantine to prevent the spread of the pest and disease.