Home Tag Archives: HLB

Tag Archives: HLB

Areawide, Coordinated ACP Treatment Participation More Important Than Ever For Citrus Growers

As the threat of Huanglongbing (HLB) continues, industry members know that the best way to prevent HLB from infecting our groves is to limit populations of the Asian citrus psyllid (ACP), which spread the deadly disease. This winter, it’s critically important for California’s citrus growing operations to actively participate in local, area-wide or coordinated treatments to further boost our industry’s efforts in …

HLB Quarantine Expansion Connects Boundaries in Jurupa Valley and Riverside Areas

Effective Dec. 6, 2021, the California Department of Food and Agriculture (CDFA) has expanded the Huanglongbing (HLB) quarantine boundaries in Riverside and San Bernardino counties in the Jurupa Valley and Riverside areas to create one quarantine area, connecting parts of Orange, Los Angeles, Riverside and San Bernardino counties. A map of the boundary expansion can be found below and at https://www.cdfa.ca.gov/plant/hlb/regulation.html#maps. …

NIFA Invests Nearly $11M to Combat & Prevent Citrus Greening Disease

The U.S. Department of Agriculture’s (USDA) National Institute of Food and Agriculture (NIFA) announced an investment of nearly $11 million for research to combat Huanglongbing (HLB), commonly known as citrus greening disease. HLB, caused by an insect bacterium, is the most severe threat to global citrus production. “NIFA’s Emergency Citrus Disease Research and Extension program brings the nation’s top scientists …

Growers Urged to Participate in Kern County Coordinated Treatment

Citrus Pest & Disease Prevention Program — A significant number of Asian citrus psyllid (ACP) detections in Kern County – more than 115 since this time last year – is a stark reminder to remain vigilant against the pest and the deadly disease it can spread, Huanglongbing (HLB). Last week, an adult ACP was confirmed from a commercial citrus trap in the …

Detection of Citrus Disease (HLB) in San Diego County Establishes New Quarantine Area

The California Department of Food and Agriculture (CDFA) has declared a quarantine in north San Diego County following the detection of the citrus disease Huanglongbing (HLB), or citrus greening, in two citrus trees on one residential property in the city of Oceanside. This is the first time the plant disease, which does not harm people but is deadly to citrus, …

Successful HLB Management Strategy in CA Focuses on Everyone Doing Their Part

What Nobel Prize-winning Economics Research Tells Us About ACP and HLB Management in California As you have likely heard many times, coordinating management measures for the Asian citrus psyllid (ACP) and Huanglongbing (HLB) over a larger scale than individual properties is key to achieving effective control and limiting the spread of the disease. Coordination is important in terms of surveying …

ARS Citrus Rootstocks: A Success Story

Remember that old commercial that declared, “A day without orange juice is like a day without sunshine”? Thanks to the Agricultural Research Service (ARS), consumers can enjoy “citrus sunshine” whenever they like. Begun by USDA more than a century ago, the citrus research program has helped to ensure a bounty of not only oranges, but also grapefruits, mandarins, lemons, and …

Healthy Roots, Healthy Trees: HLB & Soil Microbes

The rhizosphere, defined as the soil environment that surrounds the plant roots, is a rich and diverse habitat for microbes. Some members of the rhizosphere microbiome (or collection of microbes), are good, others bad while many are just there and don’t provide any benefits or harm to the host. One function of the good microbes in the rhizosphere is to …

Tarped Against Asian Citrus Psyllid

Researchers at the California Data Analysis and Tactical Operations Center (DATOC) have analyzed Asian citrus psyllid (ACP) trapping data along major transportation routes before and after tarping regulations for bulk citrus shipments were enacted. The purpose was to determine the effectiveness of the policy. DATOC is an independent group of scientists sponsored by the Citrus Research Board and the California …

Adding ACP-Effective Materials to Suppress Kern County HLB Vectoring Pest in Citrus

ACP/HLB San Joaquin Valley Task Force – To Citrus Growers in the Kern County area: last fall and early this year, there has been a significant number of Asian citrus psyllid (ACP) trap detections (over 100) in Kern County. The detections occurred in residential properties, as well as commercial citrus areas in Kern County – especially the City of Bakersfield and …

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