quarantine

New HLB Quarantine Area for California

Daniel CooperCalifornia Corner, HLB Management, Regulation

A newly established quarantine area has been declared following the detection of HLB in five trees in the Valley Center area of California’s San Diego County. The trees were located on a residential property with non-commercial citrus acreage. This is the first time the disease has been confirmed in Valley Center, marking the third area in San Diego County to …

Oriental fruit fly

Oriental Fruit Fly Quarantine Expanded in California

Daniel CooperCalifornia Corner, Pests, Regulation

The Oriental fruit fly (OFFor Bactrocera dorsalis) quarantine in San Bernardino and Riverside counties in California was expanded in October and November by federal and state agriculture authorities. The actions were taken on Oct. 12, Nov. 3, Nov. 9 and Nov. 17 by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of …

medfly

Medfly Quarantine Expanded

Daniel CooperCalifornia Corner, Pests, Regulation

Federal and state authorities in early November expanded the Mediterranean fruit fly (Ceratitis capitata or Medfly) quarantine in the Leimert Park area of Los Angeles County, California. The action was taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA) on Nov. 1 and again on Nov. …

California Navel Orange Forecast

Josh McGillCalifornia Corner, Crop Forecast

The initial 2023–24 California navel orange forecast is 74 million cartons. This is up 1% from the previous year, the California Department of Food and Agriculture (CDFA) reported. The forecast is based on the results of the 2023–24 navel orange objective measurement survey, which was conducted from June 19 to Sept. 1, 2023. Estimated fruit set per tree, fruit diameter, …

First HLB Detection in Ventura County

Tacy CalliesCalifornia Corner, HLB Management, Regulation

The California Department of Food and Agriculture (CDFA) has declared a quarantine in Ventura 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 Santa Paula. These detections are the first HLB-positive trees in Ventura County. CDFA is working with the U.S. Department of Agriculture …

First CLas-Positive Psyllids Found in Ventura County

Josh McGillCalifornia Corner, HLB Management, Psyllids

A Candidatus Liberibacter asiaticus (CLas)-positive Asian citrus psyllid (ACP) sample has been collected from a residential property in California’s Ventura County. CLas is the bacterium that causes HLB. The Citrus Research Board’s Jerry Dimitman Laboratory confirmed the positive sample. This is the first confirmed CLas-positive ACP sample found in Ventura County. The positive sample, comprised of 12 adult psyllids from …

First U.S. Detection of Citrus Yellow Vein Clearing Virus

Josh McGillCalifornia Corner, Diseases

The first detection of citrus yellow vein clearing virus (CYVCV) has been made in Tulare, California. The disease was detected during the California Department of Food and Agriculture’s (CDFA) routine multi-pest survey. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has confirmed positive identifications of the disease. CDFA is surveying for the disease in Tulare County …

Oriental fruit fly

Oriental Fruit Fly Quarantine in Los Angeles County

Josh McGillCalifornia Corner, Pests

A portion of Los Angeles County has been placed under quarantine for the Oriental fruit fly following the detection of 14 flies in the North Hills area of the San Fernando Valley. The quarantine zone measures 89 square miles. It is bordered on the north by the Angeles National Forest, on the south by the Ventura Freeway, on the west …

California Growers Show Strong Support for Citrus Research Board

Josh McGillCalifornia Corner, Research

California citrus growers recently voted by a large margin to continue their support of the Citrus Research Board (CRB) in a state-mandated referendum. The recently concluded referendum, which must be held every five years, was conducted by the California Department of Food and Agriculture (CDFA). A majority of eligible citrus producers voted in the referendum. Their support was nearly unanimous …

Medfly

California Fruit Fly Quarantines Removed

Josh McGillCalifornia Corner, Pests, Regulation

Federal and state officials in late June removed Mediterranean fruit fly (Medfly) and Oriental fruit fly quarantines in California. The actions were taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA). MEDFLY The Medfly quarantine was removed in the Upland area of San Bernardino and Los …

California HLB Quarantine Areas Expanded

Josh McGillCalifornia Corner, HLB Management, Regulation

Federal and state officials in late June expanded the areas quarantined for huanglongbing (HLB, also known as citrus greening), caused by Candidatus Liberibacter asiaticus, in California. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) took the action in cooperation with the California Department of Food and Agriculture (CDFA). APHIS added portions of Los Angeles, Orange, Riverside …

ACP Found at Packinghouse and Juice Plant in California

Josh McGillCalifornia Corner, Psyllids

The California Department of Food and Agriculture (CDFA) recently urged all citrus industry members to be extra vigilant in their Asian citrus psyllid (ACP) mitigation steps and adherence to regulatory practices. The request is in response to ACP detections in the Central Valley over the last few weeks. ACP is the vector of HLB disease.  Multiple ACP were detected on …