A failed field test has revealed a significant discovery about the Asian citrus psyllid, the vector of Huanglongbing (HLB). Research indicates that the bacteria causing citrus greening can disrupt the …
Five HLB-Positive Trees Detected in San Diego County
The California Department of Food and Agriculture (CDFA) has confirmed the presence of Huanglongbing (HLB) in five trees in San Diego County. The HLB-positive trees were found in a residential …
First HLB Detection in Ventura Prompts Quarantine
The California Department of Food and Agriculture (CDFA) has imposed a quarantine in Ventura County due to the discovery of Huanglongbing (HLB). This marks the first instance of HLB-positive trees …
CLas-Positive ACP Confirmed in Ventura County
An Asian citrus psyllid (ACP) carrying Candidatus Liberibacter asiaticus (CLas) has been identified on a residential property in Ventura County. The confirmation comes from the Citrus Research Board’s Jerry Dimitman …
Officials Respond to Confirmed ACP Discovery in Sonoma
Asian Citrus Psyllid (ACP) has been confirmed in Sonoma Valley. Local officials with the Sonoma County Department of Agriculture will be coordinating responsive action. with the California Department of Food …
Less Than Four Percent of ACP Tested Carry HLB Bacterium in Groves
An ongoing study in coastal Southern California citrus groves has found that just over 3.5% of Asian citrus psyllids (ACP) tested are carrying the bacterium that can cause HLB. ACP …
ACP Detection Response: ‘The System is Working’
County and state officials have been actively responding to various Asian citrus psyllid (ACP) discoveries in the Central Valley in recent weeks. Kern, Tulare, and Fresno counties have all reported …
Multistate Scientists Seek HLB Tolerance
A $1.5 million emergency grant is enabling scientists in citrus-producing states to find trees tolerant to the devastating citrus disease HLB. The disease has crippled Florida’s citrus industry and has already …
Controlling Psyllids in Organic Citrus Production
Organic citrus producers have fewer materials available than conventional producers, making pest control even more challenging. Assistant Cooperative Extension Specialist at UC Riverside, Monique Rivera has been working with organic …
Free Canine-Assisted ACP Scouting Available to Industry Members
Citrus industry members have a resource available to help combat the spread of Asian Citrus Psyllid (ACP) using detection dogs. Canine-assisted ACP scouting has shown to be more than 90 …
Data Shows that Citrus Tarping Having Positive Impact on ACP Movement
Data shows that regulated tarping practices for citrus are having a positive impact on mitigating the movement of Asian citrus psyllid (ACP). Researchers at the Data Analysis and Tactical Operations …
2020 ACP Blowups Manageable for Central Valley
Asian citrus psyllid detections in the Central Valley spiked in the wrong direction last year but experts believe that is manageable and expected. Since 2016, the amount of ACP detections …
Citrus Survey Part of Larger Ongoing Research Project
Industry members are being asked to provide information as part of an ongoing citrus survey. The survey centers on growers’ knowledge of Asian citrus psyllid (ACP) and Huanglongbing (HLB). Researchers …
CLas-Positive ACP Found in San Diego County
San Diego County reported its first confirmed presence of the bacteria that causes huanglongbing (HLB) disease in citrus. Even though Asian citrus psyllids (ACP), the vector for huanglongbing disease, are …