Mexico: HLB detected close to U.S. border - FreshFruitPortal.com

Mexico: HLB detected close to U.S. border

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Mexico: HLB detected close to U.S. border

TheĀ California Department of Food and Agriculture has called on the state's residents to keep an eye out for signs of citrus greening in residential groves, following a recent detection of the diseaseĀ 23 miles south of the border in Mexicali.

The disease, also known as Huanglongbing (HLB), was found on a single citrus tree in a small grove and one single Asian citrus Psyllid (ACP) tested positive for carrying the bacteria that causes the disease.

Agriculture officials in Mexico are working quickly to survey the surrounding citrus trees as a part of their ongoing efforts to protect the country'sĀ citrus from this devastating plant disease through monitoring, the removal of diseased trees and ACPĀ treatments.

In California, local and state agriculture officials are also monitoring citrus trees in the border region, placing insect traps, releasing a natural predator of the psyllidĀ and conducting treatments to protect citrus trees from the pest.

"With Huanglongbing now detected in Mexicali, Ensenada and Los Angeles, Southern California citrus growers ā€“ including commercial farmers and residents who have orange, lemon or other citrus trees growing at their homes ā€“ must be on guard,ā€ said Victoria Hornbaker, citrus program manager for the California Department of Food and Agriculture.

ā€œHuanglongbing knows no borders. Residents throughout this region must work together,ā€ she said.

The Citrus Pest & Disease Prevention Program recommends the following actions to protect the communityā€™s citrus trees:

    • Do not move citrus fruit, plants or cuttings. Obey federal and state quarantine laws that limit the movement of citrus material into and out of the region. These measures are in place to prevent diseased plants and the Asian citrus psyllid from being transported to new areas.
    • Cooperate with agriculture officials. Trained agriculture specialists are scouting citrus trees in Southern California, collecting plant samples and treating citrus trees to protect against the Asian citrus psyllid. By working together with these agriculture crews, residents will help protect their communityā€™s citrus.
    • Protect citrus trees against the pest. Ask your local nursery or home and garden center what products can help protect your citrus tree from the Asian citrus psyllid. The best way to protect against the disease is to stop the pest.

The first detection of HLB in California was in Hacienda Heights in 2012. In 2015, multiple incidences of the disease were found in San Gabriel, a nearby community.

A total of 27 diseased citrus trees have been detected and removed, all within Los Angeles County.

In Mexico, HLB was detected in Ensenada earlier this year. The disease is also present in southern areas of the country. Agriculture officials from both countries are working collaboratively to prevent the disease from spreading.

Photo: David Hall

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