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Citrus Quarantine In Parts Of Madera County

MADERA COUNTY – Parts of Madera County have been placed under quarantine by the California Department of Food and Agriculture (CDFA) after a single Asian citrus psyllid was found in the Madera Lake area.

Citrus and curry tree nursery stock may not leave the area. All citrus fruit must be cleaned of leaves and stems prior to moving out of the quarantine area.

An exception may be made for nursery stock and bud wood grown in USDA-approved structures that are designed to keep the insect and other insects out.

Residents with backyard citrus trees in the quarantine area are asked not to transport citrus fruit or leaves, potted citrus trees, or curry leaves from the quarantine area.

The quarantine zone measures 100 square miles. For more information, see the map below or contact the department at (559) 294-2031.

The Asian citrus psyllid is an invasive species of grave concern because it can carry the disease huanglongbing, also known as citrus greening. All citrus and closely related species, such as curry trees, are susceptible hosts for both the insect and disease.

There is no cure once a tree becomes infected, the diseased tree will decline in health and produce bitter, misshaped fruit until it dies.

Huanglongbing has been detected just once in California – in 2012 on a single residential property in Hacienda Heights, Los Angeles County. This plant disease does not affect human health.

Asian citrus psyllid countywide quarantines are now in place in Imperial, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara, Tulare, and Ventura counties, with portions of Madera, Fresno, Kern, San Joaquin, San Luis Obispo, and Santa Clara counties also under quarantine.

For more information visit the California Department of Food and Agriculture website. Learn more about the Asian Citrus Psyllid on this CDFA YouTube video.

Asian Citrus Psyllid Quarantine map - Jan 2015

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