Asian citrus psyllids are detected sporadically in the San Joaquin Valley — home to most California oranges and mandarins — and are endemic in Southern California lemon country. But as far as anyone knows, the pests that spread HLB in Florida and Texas have not spread the disease into California’s commercial citrus groves. California HLB detections have been limited to 17 …
HLB Quarantine Expansions Impact California Commercial Citrus
Agriculture officials have expanded the areas quarantined for citrus greening disease (known as huanglongbing or HLB) in California. The quarantined area in the Corona area of Riverside County was expanded by 37 square miles. The San Juan Capistrano quarantined area of Orange County was expanded by 18 square miles. The actions were taken by the U.S. Department of Agriculture Animal …
Fundecitrus Honors California Researcher
Brazilian citrus research organization Fundecitrus (Fund for Protection of Citriculture) recently honored University of California Davis (UC Davis) Distinguished Professor Walter Leal for his outstanding contribution to citriculture. Fundecitrus emphasized the importance of Leal’s work on the Asian citrus psyllid (ACP) and citrus fruit borer. Brazilian native Leal is a member of the Department of Molecular and Cellular Biology faculty …
Citrus Greening Quarantine Expanded in California
Federal and state agriculture officials have expanded the quarantine for citrus greening in the Perris area of Riverside County in California by 33 square miles. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the California Department of Food and Agriculture (CDFA) expanded the quarantine. The measure parallels the intrastate quarantine that CDFA established …
Citrus Mealybug Activity Peaking in California
An August citrus mealybug (CMB) pest memo released by University of California Agriculture and Natural Resources warned that CMB activity typically peaks during the summer months. Highlights from the memo follow: In August, it is critical to access both pest pressure and natural enemy activity. This is a crucial period for making informed decisions that support biological control and avoid …
Fundecitrus Hosts California Delegation
Brazil’s Fundecitrus recently hosted a delegation of approximately 20 agricultural leaders from California. Karen Ross, secretary of the California Department of Food and Agriculture, led the delegation. The group visited Brazil to learn more about Fundecitrus’ research, education, training and sustainability initiatives focused on citrus farming. The Californians participated in technical discussions with researchers and took a tour of Fundecitrus’ …
Citrus Greening Quarantines Expanded in California
Federal and state agriculture officials recently expanded the areas quarantined for citrus greening disease in California. They expanded the quarantined area in the Coto de Caza area of Orange County by 11 square miles, the Rancho Santa Margarita area of Orange County by 93 square miles, the Perris area of Riverside County by 37 square miles, and the Rancho Cucamonga …
Innovation and Sustainability: Lessons From California for Georgia Citrus
By Lindy Savelle In mid-April, members of the Georgia Citrus Association (GCA) traveled to California’s Central Valley to study the systems, innovations and strategies that have made the state a powerhouse in citrus production. Our goal was clear: to bring back ideas, solutions and inspiration that can help shape the future of Georgia’s growing citrus industry. Our group included growers, …
What the Georgia Citrus Association Learned in California
By Clint Thompson and Nick Papagni The Georgia Citrus Association’s trip to California last week allowed industry leaders to look for opportunities to advance citrus in the cold-hardy region. One of the focuses was learning about the different varieties produced in California that could have a potential future in the Southeast. Lindy Savelle, executive director of the Georgia Citrus Association …
California’s Citrus Showcase Set for March 12
California Citrus Mutual (CCM) is inviting growers and allied agricultural industry members to the 2025 Citrus Showcase March 12 at the Visalia Convention Center in Visalia, California. The event will feature informational seminars, free continuing education unit-approved courses, a trade show and an industry luncheon. The event’s morning session will feature Marisa Zansler, director of economic and market research at …
HLB Confirmed on California Inactive Citrus Acreage
The California Department of Food and Agriculture (CDFA) has confirmed the detection of the citrus plant disease huanglongbing (HLB) in inactive citrus acreage in the city of Yorba Linda, Orange County. The detections mark the first time HLB has been confirmed in plant samples on non-residential, non-nursery citrus acreage. The detection site, which is not currently operational or being cultivated …
Citrus Disease Quarantines Expanded in California
U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) officials, in cooperation with the California Department of Food and Agriculture (CDFA), recently expanded the areas quarantined for huanglongbing (HLB) and sweet orange scab (SOS) in the state. HLB The quarantined area in Los Angeles, Orange and Riverside counties has been expanded by approximately 50 square miles. Additionally, the …
California Growers Gear Up for Citrus Thrips Threat
Citrus thrips caused serious problems for many California growers last year. This year, growers appear to be gearing up in case it is another bad season for thrips. “Going into this spring, there’s a lot of eyes on it,” said Colby Campbell, general manager of Cobblestone Fruit. “Everybody’s watching, and I think everybody has made preparations. Guys have called ahead …
Citrus Showcase Coming to California
California Citrus Mutual (CCM) will host the 2024 Citrus Showcase on March 14 at the Visalia Convention Center in Visalia, California. The event will feature informational workshops, continuing education unit-approved courses, a trade show and an industry luncheon. The luncheon keynote speaker will be California Department of Food and Agriculture Secretary Karen Ross. “We are extremely pleased to have a …
Measuring California’s Citrus Environmental Benefits and Impacts
Major retailers have been asking questions about the citrus industry’s sustainability efforts. In response, a California citrus industry life cycle analysis project will quantify the net environmental benefits and impacts of citrus production in a typical year. The information will be gathered from a survey developed by researchers at the University of California, Davis (UC Davis), with support from the …
Fruit World on Certification, California’s Citrus Season and More
Fresh fruit produce company Fruit World announced its recent Equitable Food Initiative (EFI) certification out of its Reedley, California facility. The company also reported that the California citrus season is late this year, and that Fruit World’s chief executive officer will participate on a panel discussing the upcoming Strengthening Organic Enforcement (SOE) rule. According to Equitable Food Initiative’s website, it …
Citrus Thrips Reduce California Production
California citrus growers faced significant citrus thrips challenges this season due to the unprecedented rainfall, California Citrus Mutual (CCM) reported. The unusual weather pattern led to uncontrollable conditions in the field. Reports from the CCM Pest and Disease Task Force indicated that some growers have experienced exterior fruit scarring on as much as 80% of the fruit in individual blocks. …
Egyptian Citrus Imports Would Be ‘Calamity’ for California Growers
Egyptian citrus could be on the way to the U.S. market after a request was made to the U.S. Department of Agriculture (USDA). A pest risk assessment has been drafted by USDA’s Animal and Plant Health Inspection Service (APHIS). Jim Cranney, president of the California Citrus Quality Council (CCQC), said the assessment is for fresh oranges and tangerines, which would …
California and Arizona Citrus Projects Funded
The California and Arizona departments of agriculture received funding for four citrus-related projects from the U.S. Department of Agriculture’s (USDA) Agricultural Marketing Service (AMS) for 2023. Nationwide, USDA AMS allocated $72.9 million in Specialty Crop Block Grant Program funding. DROUGHT-TOLERANT VARIETIESThe California Department of Food and Agriculture (CDFA) received $499,921 for designing drought-tolerant specialty crops using metabolic modeling. The University …
Managing Citrus Thrips in California
In California’s Central Valley, citrus thrips are one of the most concerning pests for growers. Citrus thrips feed on young fruit, which results in scarring damage. “Those cuts are then downgraded in the packinghouse, costing our growers money, which is why managing thrips is so important,” said Sandipa Gautam, University of California Cooperative Extension area citrus integrated pest management advisor. …





























