As every Florida citrus grower knows, it has been difficult to grow trees and fruit profitably since huanglongbing (HLB) disease was discovered in the state in 2005. Soon after the disease was discovered, officials determined it couldn’t be eradicated largely because the Asian citrus psyllids (ACP) that spread it showed up years earlier and were in virtually all citrus-producing regions. …
Florida Citrus Commission Exercises Rights to Varieties
The Florida Citrus Commission (FCC) on Sept. 17 approved a Florida Department of Citrus (FDOC) request to exercise the right to eight new varieties from the Florida Foundation Seed Producers (FFSP). These varieties were developed by the University of Florida Citrus Research and Education Center Citrus Breeding Program. The FCC, which governs the FDOC, will retain exclusive rights to the varieties …
UF/IFAS Hosts Citrus Packinghouse Day
The 64th annual Citrus Packinghouse Day was held in early September at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. The event drew fresh fruit growers and packers from various parts of Florida. Presentations were given on shipping regulations, new varieties and citrus under protective screen (CUPS). Fresh fruit, …
Brazilian Orange Forecast Revised
On Sept. 10, Brazil reduced the 2025–26 orange forecast for the São Paulo and Triângulo/Southwest Minas Gerais Citrus Belt by 2.5% from the season’s initial forecast, to 306.74 million boxes. This was the first revised forecast issued by Fundecitrus since May. The reduction was mainly due to the increased projected fruit drop rate, which was a result of the increased …
Florida Citrus Summary: Production and Prices
The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS), cooperating with the Florida Department of Agriculture and Consumer Services, recently released Florida’s 2024–25 Citrus Summary: Production, Price Per Box and Production by County. PRODUCTION PLUNGESFlorida’s citrus production in 2024–25 was 14.6 million boxes, down 28% from the previous season’s 20.3 million boxes. Orange production dropped 32% to …
Factors That Influence Juice Quality
By Tripti Vashisth, Johann Hiller and Taylor Livingston Poor fruit quality has long been a significant hurdle for sweet orange growers in the HLB era. With high fruit drop rates and challenges in harvest management, many growers find themselves picking fruit earlier than ideal, resulting in subpar Brix levels. To effectively improve the Brix of the fruit, it is essential …
Oxytetracycline Aids Fruit Quality for Some Scions
A presenter at the recent Citrus & Specialty Crop Expo said oxytetracycline (OTC) trunk injections improved fruit quality in several citrus scions that were studied. The presenter was John Chater, assistant professor and citrus genetic improvement horticulturist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. Chater opened his presentation with these …
Florida Citrus Acreage Down but New Plantings Up
Florida’s annual Commercial Citrus Inventory Preliminary Report, released Aug. 29, shows total citrus acreage is 208,183 acres. This is a 24% decrease from last year. The net loss of 66,522 acres is the second most reported in a Commercial Citrus Inventory in the past 25 years. It trails only the 127,182 acres reported lost in 2006, the year after the …
Expo Delivers Research Updates and Practical Tools for Growers
By Michael E. Rogers The 2025 Citrus & Specialty Crop Expo took place Aug. 20–21 at the Florida State Fairgrounds in Tampa. The event brought growers, researchers and industry professionals together for two full days of education and discussion. This year’s program featured what may have been a record number of University of Florida Institute of Food and Agricultural Sciences …
PIECES OF THE PAST: The Turnbull Story
By Brenda Eubanks Burnette I often wondered about the information on the Turnbull label that reads: “Turnbull Hammock. Settled in 1767 by Andrew Turnbull. Home of the Famous Indian River Oranges and Grapefruit. Grown and Packed by Oak Hill Citrus Growers Assn. – Oak Hill, Florida.” I was astounded to find out that a family in Vero Beach was direct …
Alico Posts Results After Last Major Citrus Harvest
Alico, Inc. on Aug. 12 announced its financial results for the third quarter ended June 30, following completion of its last major citrus harvest. John Kiernan, Alico president and chief executive officer, said the harvest marks “a significant milestone in our strategic transformation to become a diversified land company. This harvest concludes the majority of our capital-intensive citrus production operations, …
Reducing Fruit Drop in HLB Citrus
By Tripti Vashisth Fruit drop has become one of the biggest challenges for Florida citrus growers, especially in groves hit hard by HLB. On top of the disease, recent hurricanes like Ian and Milton have made the problem worse, causing fruit to drop not just during the storm but often weeks later. Other stresses — such as drought, flooding or …
Gene-Edited Citrus Comes Closer to Commercial Realization
In 2012, Jennifer Doudna, Emmanuelle Charpentier and their research team published a paper in the journal Science describing the CRISPR-Cas9 system as a precise gene-editing tool. It was considered a major scientific breakthrough with huge possibilities in human medicine and in agriculture. Doudna and Charpentier were awarded the Noble Peace Prize in chemistry in 2020 for their pioneering work with …
CUPS Performance Continues to Shine
Citrus under protective screen (CUPS) performance in Florida got a big thumbs up from researcher Arnold Schumann in a virtual presentation on Aug. 7. Schumann, a University of Florida Institute of Food and Agricultural Sciences professor, reported on findings from his research at the Citrus Research and Education Center (CREC) as well as commercial CUPS in Florida. Schumann’s summary of …
Sneak Peek: August 2025 Citrus Industry
August signals that the Citrus & Specialty Crop Expo is soon to come! The August issue of Specialty Crop Grower magazine previews the show growers look forward to every year. The not-to-be-missed event takes place Aug. 20–21 at the Florida State Fairgrounds in Tampa. In the Citrus Industry section of the magazine, growers can get an update on the progress …
Emerging Trends in Nutrient Rate Studies
By Davie Kadyampakeni, Noor Basar, Alisheikh Atta, Muhammad Shahid, Shahid Iqbal and Alan Wright Citrus trees in Florida impacted by HLB have limited nutrient uptake largely due to limited root mass, compromised physiology and extremely sandy soil. The state’s current nutrient management guidelines were developed based on data prior to the spread of HLB, when trees had dense canopies and …
Water Use Under Individual Protective Covers
By Fernando Alferez and Osbaldo Vasquez During the last seven years, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SWFREC) in Immokalee has been performing comprehensive studies on the use of individual protective covers (IPCs). This tool is now adopted by most growers planting new citrus trees in Florida both in …
The Potential of Trunk Injection for Fresh Market Citrus
By John M. Chater Citrus tree trunk injection of antibiotics has been recently and widely used in Florida. The success of oxytetracycline (OTC) in sweet orange to mitigate huanglongbing (HLB or citrus greening) disease has been documented by the laboratory of Ute Albrecht, associate professor at the University of Florida. Some results suggest that OTC injection can improve Brix, ratio, …
Final 2025 U.S. Citrus Crop Forecast Issued
The U.S. Department of Agriculture National Agricultural Statistics Service (USDA/NASS) released its last citrus crop forecast update of the 2024-25 season on July 11. The Florida Valencia orange forecast increased 2%, from 7.4 million boxes in June to 7.55 million boxes. That increased the Florida all-orange forecast from 12 million boxes in June to 12.15 million boxes. Florida’s all-grapefruit forecast …
Biomass and Carbon Stock in Brazil’s Orange Trees
Fundecitrus and Embrapa Territorial carried out a joint scientific research project to quantify carbon stocks and identify wildlife in Brazil’s Citrus Belt of São Paulo and Triângulo/Southwest Minas Gerais. The work, supported by resources from Innocent Drinks, resulted in the publishing of an article titled “Estimating biomass and carbon stock in orange trees (Citrus sinensis L. Osbeck) of the São …





























