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 …
Second CLas-Positive Psyllid Sample Found in California Grove
An Asian citrus psyllid (ACP) sample confirmed positive for Candidatus Liberibacter asiaticus (CLas) — the bacteria that causes huanglongbing (HLB) — was collected from a commercial citrus grove in the Pauma Valley area of California’s San Diego County. This confirmation marks the first CLas-positive ACP found in a commercial grove in San Diego County and only the second grove detection …
California’s Oldest Orange Approved for Production
The 1,000th tree okayed for growing by California’s Citrus Clonal Protection Program happens to be California’s oldest orange variety in the state. Dubbed the Mother Orange Tree, Bidwell’s Bar is a sweet Mediterranean orange brought to California from Mazatlán, Mexico, and planted in 1856. It was first planted near the Bidwell Bar Bridge near Oroville. The tree’s survival skills are some …
California Panel Issues HLB Update
California’s commercial citrus groves remain free of HLB disease 14 years after Asian citrus psyllids (ACP) were first detected there. The state’s Citrus Pest and Disease Prevention Program (CPDPP) described that as “no small feat” in its recently released 2020-21 annual report. “The past fiscal year presented its fair share of headwinds for citrus-growing operations,” the report stated. “From pandemic-induced …
ACP Found at Packinghouse and Juice Plant in California
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 …
Review of the 2020–21 California Citrus Season
California Citrus Mutual (CCM) released its 2020–21 Final California Citrus Season Perspective report, which included the following summary conclusion: For the majority of the season, the fruit quality was excellent. The movement was steady, and shippers managed to hold prices fairly steady. The crop size, however, proved challenging as the season drew on. The 2020–21 season may go down in …
April Citrus Forecast: Florida Down, California Up
Florida’s Valencia orange crop forecast was cut by 13%, and the state’s grapefruit crop projection was trimmed by 8% in the April 8 forecast by the U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service. The Valencia crop projection was reduced by 3 million boxes, to 20 million boxes. Final fruit size is below the minimum, requiring 273 pieces of …
Coordinated HLB Treatment Critical in California
In an open letter to California citrus growers, Jim Gorden, chair of the Citrus Pest & Disease Prevention Committee, emphasized the importance of cooperation of all growers to keep huanglongbing (HLB) at bay. Growers need to work together to coordinate treatments for maximum effectiveness. “As the threat of HLB continues, industry members know that the best way to prevent HLB …
Big Dips in California Navel and Mandarin Forecasts
The California Citrus Mutual (CCM) Marketing Committee estimates that the total navel orange crop for the 2021-22 season will be down 20% from the previous season’s final utilized, or sold, production. The committee also estimates that the mandarin crop will be down as much as 45% from the 2020-2021 season. According to the California Department of Food and Agriculture’s 2021-22 California …
Medfly Quarantine in Southern California
A portion of San Bernardino and Los Angeles counties have been placed under quarantine for the Mediterranean fruit fly (Medfly) following the detection of two wild flies in and around the city of Upland in San Bernardino County. The U.S. Department of Agriculture (USDA), California Department of Food and Agriculture (CDFA), and the San Bernardino and Los Angeles county agricultural …
California Navel Crop Forecast
The California Department of Food and Agriculture, working with the U.S. Department of Agriculture, has announced that the initial 2021-22 California navel orange forecast is 70 million cartons, down 14% from the previous year. Of the total navel orange forecast, 67 million cartons are estimated to be in the Central Valley. Cara Cara variety navel orange production in the Central …
Soaring Costs for California Citrus Growers
A report issued by California Citrus Mutual (CCM) says that COVID-19 and now a devastating drought have resulted in staggering increases in costs for citrus growers, with only a minimal price correction in the market. Additionally, earlier this year, some growers in Ventura and San Diego counties reported losses due to a severe storm that uprooted trees. The storm also damaged …
California to Launch CRaFT Project
The Citrus Research Board (CRB) has been awarded $3,438,059 in funding from the Huanglongbing Multi-Agency Coordination Group (HLB MAC) to support its California-focused Citrus Research and Field Trials (CRaFT). The overarching goal of the CRaFT project is to demonstrate additional mitigations to improve psyllid control within commercial groves across the various citrus-growing regions in California. This information will inform areawide …
California Reports Two Citrus Pests
The Citrus Pest & Disease Prevention Program in California recently detected sweet orange scab (SOS) in new areas of the state. Additionally, an unofficial lime swallowtail butterfly (LSB) sample was identified from Los Angeles County, and several LSB sightings have been reported in Los Angeles and San Luis Obispo counties. SWEET ORANGE SCABSOS is a cosmetic fungal disease that impacts …
Combating California Red Scale
California red scale (CRS) is one of the key pests for growers in the San Joaquin Valley, home to 75% of the state’s citrus production. CRS is a sap-sucking insect that attacks all parts of citrus trees. It causes dieback of branches, yield loss and downgrading of fruit. According to Sandipa Gautam, University of California assistant research entomologist at the …
Keeping HLB out of California Groves
The recent annual report from California’s Citrus Pest & Disease Prevention Program (CPDPP) offered insights into ways the state’s citrus industry has kept HLB out of commercial groves. Jim Gorden, chair of the group’s Citrus Pest & Disease Prevention Committee, stated that the California industry has “invested countless hours, leveraged millions of dollars and created dozens of innovative partnerships” in …
Florida Grower Advises California on HLB
Pete Spyke, a Florida gift fruit citrus grower and shipper, recently offered some advice to California citrus growers for dealing with HLB. In a letter to California’s Citrus Pest & Disease Prevention Program, Spyke suggested that growers continue to detect and remove HLB-infected trees. Spyke’s letter follows: Dear California Citrus Growers, Based on my observations and discussions with growers and …
Scholarships From California Citrus Mutual
California Citrus Mutual (CCM) is offering agricultural scholarships to high school and college students looking to pursue careers in the industry. Over the last 25 years, the CCM Scholarship Foundation has awarded a total of $80,000 to 59 students. Casey Creamer, CCM president and CEO, said that supporting the next generation of agriculturalists is crucial for overall industry longevity. Having …
California Funding to Reduce Wildfire Threat
California citrus growers joined their fellow farmers and ranchers in suffering through the worst wildfire season in California history. Some groves were directly threatened by wildfire, and many were located in growing areas that were blanketed with smoke for weeks or months. Smoke exposure resulted in employee time loss due to respiratory illness, and an increase in asthma and allergy …
California Growers Needed for Thrips Study
Researchers from the University of California’s Kearney Agricultural Research and Extension Center are asking for help from industry members as they investigate citrus thrips. Thrips are a serious headache for citrus growers. They cause issues in all varieties of citrus, particularly in the San Joaquin Valley. Additionally, the pest has been known to rapidly develop resistance to management materials. Growers …