The California Department of Food and Agriculture issued a citrus quarantine this week for northern San Diego County and part of Marine Corps Base Camp Pendleton.
The quarantine was issued after state officials found a citrus tree with Huanglongbing — a bacterial disease that is fatal to citrus trees — in one tree in a residential neighborhood in the San Clemente area during regular inspections, according to the agency.
"Unfortunately, Huanglongbing is fatal to citrus, so our goal is to prevent this disease from spreading," San Diego Agricultural Commissioner Ha Dang said. "By working together, we can all protect our food supply, local agriculture and environment from this devastating disease. Partnering with state and federal regulatory partners, we are working closely with residents an