University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researcher Fernando Alferez recently visited Brazil’s Fundecitrus, as well as orchards and experiments in Brazil’s citrus region. Alferez, an associate professor of horticulture at the Southwest Florida Research and Education Center, was accompanied by researchers from Fundecitrus and Embrapa Cassava & Fruits. The project coordinator of Florida’s Citrus Research …
Lindy Savelle: A Voice for Georgia Citrus Growers
Lindy Savelle took an unconventional route to becoming a leader for Georgia citrus. Turns out, her path was paved with success. The former federal law enforcement investigator decided to pursue a second career as a Georgia citrus grower and became a voice for the state’s blossoming industry. Almost 10 years after planting her first trees, Savelle has emerged as a …
Clemson to Host Southeast Citrus Expo
With citrus crops gaining popularity in South Carolina, Clemson University announced that the 2024 Southeast Citrus Expo will be held Nov. 22–23 in Charleston. The event will feature drop-in tours, a banquet and a full day of educational sessions. Zack Snipes, horticulture agent with Clemson University Cooperative Extension Service, is the event coordinator. “More and more people are asking for …
The Real Reason Behind Citrus Decline
Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, answers questions related to trunk-injection applications to treat HLB. Q: What is the biggest problem for Florida’s citrus growers to overcome? Tom Johnson: In the general news media, you can read all manner of uninformed reasons as to why citrus production has declined so dramatically in the past …
Citrus-Derived Endophytes Have HLB Management Potential
Florida-based scientists published an article in Microorganisms indicating citrus-derived endophytes have potential for managing HLB. Endophytes are endosymbionts, often bacteria or fungi, which live within a plant for at least part of its life cycle without causing apparent disease. The authors of the article are Jessica Dominguez, Krishnaswamy Jayachandran and Kateel G. Shetty of Florida International University, and U.S. Department …
Brazilian Citrus Researchers Discuss Pest Management
Fundecitrus researchers Marcelo Miranda and Wellington Ivo Eduardo participated in the recent XXIX Brazilian Congress of Entomology in Uberlândia in the state of Minas Gerais. In a round table discussion on fruit plant pests, Miranda addressed the challenges of implementing integrated pest management in citrus for insect vectors of pathogens. This includes the leafhopper that transmits citrus variegated chlorosis and …
Hurricane Milton: Spotty Citrus Damage, Some Severe
A few themes are unfolding as Florida’s citrus industry begins to assess Hurricane Milton’s damage. First, it could have been worse. The overall citrus losses do not appear to be as bad as those incurred from Hurricane Ian in 2022. Second, the hurricane affected nearly the entire Florida Citrus Belt, but damage varies greatly depending on the specific area. Reports …
Bleak Outlook for Florida Citrus Production
The U.S. Department of Agriculture Agricultural Statistics Board released its first forecast of the 2024–25 citrus season on Oct. 11. The report does not reflect the damage to the Florida citrus industry inflicted by Hurricane Milton. The Dec. 10 forecast update is expected to take that damage into account. “The forecast for the season is extremely discouraging,” said Matt Joyner, …
Scouting Critical for Georgia’s Citrus Industry
Regular scouting for Asian citrus psyllids and citrus greening disease is critical for Georgia’s citrus industry to remain healthy. That advice applies to both commercial growers and homeowners, Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, said during the recent Citrus Grower’s Summer Update meeting in Valdosta. Oliver encouraged all growers to scout for the disease …
Commercial Citrus Impacted by Expanded HLB Quarantine
The area quarantined for HLB in San Diego County, California, has been expanded, the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) announced on Sept. 23. USDA APHIS took the action in cooperation with the California Department of Food and Agriculture (CDFA). HLB, a plant disease caused by Candidatus Liberibacter asiaticus, is also known as citrus …
CITRUS NURSERY SOURCE: Get Out and About at Variety Displays and Field Days
By Peter Chaires Each year, citrus breeding and research teams go to great lengths to host variety displays, research reviews, tours and field days. These events not only showcase the collective pursuit of industry needs and priorities, but they afford stakeholders an opportunity to monitor the progress and interact directly with scientists and support staff. This is an investment of …
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 …
HLB Incidence Exceeds 44% in Brazil’s Citrus Belt
Fundecitrus’ annual survey of HLB in Brazil indicates that disease incidence rose from 38.06% in 2023 to 44.35% in 2024 throughout the Citrus Belt of São Paulo and Triângulo/Southwest Mineiro. This is the seventh consecutive year of growth for the disease. HLB was found in approximately 90.36 million trees. In total, there are 203.74 million orange trees throughout the Citrus …
HLB and Psyllids in Georgia Commercial Citrus
One of Georgia citrus growers’ worst fears is slowly becoming a reality. Citrus greening, also known as huanglongbing (HLB), was observed in a Georgia commercial citrus grove for the first time in 2023. This is alarming news for the industry, says Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist. “We knew HLB was here in residential …
Fundecitrus Researchers Participate in Northeast Citrus Show
Fundecitrus researchers Silvio Lopes and Wellington Ivo Eduardo participated recently in the second edition of the Northeast Citrus Show in Aracaju, Brazil. Lopes gave a lecture on the two main Brazilian citrus diseases: citrus variegated chlorosis (CVC) and citrus greening. “In the orchards of Bahia and Sergipe, greening has not yet been detected, but there are psyllids,” Lopes reported. He …
The Future of Citrus
By Rob Gilbert, ragilber@ufl.edu Last month I went to Lake Alfred for a look at the future of the citrus industry. You’ll like what I saw. BREEDING EFFORTS What I saw first was a lab focused on finding an HLB-tolerant tree that has doubled in size since my last visit to the Citrus Research and Education Center. Nian Wang can …
CITRUS NURSERY SOURCE: What’s on Tap for 2024–25
By Peter Chaires The New Varieties Development and Management Corp. (NVDMC) has awarded funding to citrus projects for the 2024–25 season. Exciting things are happening in crop transformation, but significant progress is also being made in conventional breeding. The NVDMC board continues to support conventional breeding projects, each with a focus on near-term results, while still setting a foundation for …
Greening Bacterium Causes Changes in Psyllids
Recent studies, including a partnership project between Fundecitrus and the University of California, revealed that the citrus greening bacterium Candidatus Liberibacter asiaticus causes physiological changes in psyllids, posing additional challenges to management strategies. An increase in the number of eggs, more frequent dispersal flights over longer distances and greater attractiveness to the host are some of the changes observed in …
Savelle Named Executive Director of Georgia Citrus Association
Georgia’s citrus industry has a new leading lady. Actually, she’s a familiar face who has a new title. While Lindy Savelle will continue to promote Georgia citrus, it will be under the title of executive director of the Georgia Citrus Association (GCA). Savelle was the president of GCA for almost eight years. Now, the association has put a succession plan …
Task Force and Credit Line to Assist Brazil with Greening
Fundecitrus recently announced two efforts aimed at assisting Brazilian growers with citrus greening. A São Paulo task force will include a focus on the disease, and a credit line will be available for growers with greening in their orchards. In addition to greening, the public/private task force will address development of biofertilizer and biological research, studies to increase productivity in …




























