The citrus research team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) generates a lot of information from the trials and experiments they conduct each year. That information can be a valuable resource to growers who are seeking production guidance for their groves. In the June episode of the All In For Citrus podcast, Michael Rogers, …
Irrigation Maintenance Is Essential
Microjet irrigation is the top method of freeze protection for citrus trees, but its effectiveness is only realized if growers perform proper maintenance of the sprinklers before a cold event occurs. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, emphasized that fact during the Georgia-Florida Irrigation Expo on June 10. Sutton said growers should treat their …
Brazilian Orange Tree Inventory Released
Brazil’s Fundecitrus recently released the orange tree inventory of the São Paulo and west-southwest Minas Gerais Citrus Belt. Fundecitrus conducted the inventory in March. Orange orchards occupy 410,974 hectares, an increase of 1.4% from the previous year. Out of this total, the main orange varieties account for 400,260 hectares. The remaining varieties, primarily destined for the fresh fruit market, occupy …
ReMedium TI Receives Full Section 3 Label
TJ BioTech LLC has announced that, as of June 11, 2026, ReMedium TI has received a full Section 3 label and registration from the U.S. Environmental Protection Agency, along with state approval from the Florida Department of Agriculture and Consumer Services. The approved label allows for two consecutive years of treatment, starting with the 2026–27 season, followed by a one-year …
CITRUS NURSERY SOURCE: NVDMC Research Focus for 2026–27
By Peter Chaires Spring is planning season for most Florida citrus organizations. New Varieties Development & Management Corp. (NVDMC) is no exception. The board recently met with all breeding teams to review 2025–26 sponsored projects and establish research priorities for 2026–27. Though some aspects of these projects will be covered in greater depth in future articles, this month’s column is …
Plant Growth Regulators in California Citrus
University of California Riverside Extension subtropical horticulturist Mary Lu Arpaia recently discussed the uses of the plant growth regulators 2,4-D, NAA and ethylene in California citrus. Her June 9 presentation was part of the Citrus Research Board Webinar Series. 2,4-D One use of 2,4-D in California is to increase fruit size of navel oranges, grapefruit, mandarins and mandarin hybrids. For …
Top Fungal Threats Behind Preharvest Fruit Rot
A new study has identified several fungal pathogens associated with preharvest sweet orange fruit spoilage. It provides insights that could help citrus growers better understand and manage fruit rot problems in the grove. The research, “Morphological Identification of Fungi Associated with Preharvest Spoilage of Sweet Orange (Citrus sinensis L.) Fruit in Bilo Nopha, Southwestern Ethiopia,” was published in the journal …
Ag Groups Ask for Fair and Balanced Trade
A coalition of fresh fruit and vegetable organizations from California, Florida, Georgia, Michigan and Texas on June 2 asked U.S. Trade Representative Jamieson Greer for a managed approach to import volumes. Their letter to Greer sought that managed approach “particularly during the domestic marketing seasons when the timing of foreign competition is itself the injury.” Citrus-specific associations signing the letter …
How HLB Research Has Evolved
Huanglongbing (HLB, or citrus greening) disease has been the focus of an enormous amount of scientific research over the past two decades. A new study — “Bibliometric Mapping of Citrus Greening Disease Reflecting Trends, Shifts and Focus Areas” — takes a unique look at that research. It analyzes thousands of scientific publications to identify where scientists have concentrated their efforts …
Honors Bestowed at Florida Citrus Industry Annual Conference
During the Florida Citrus Industry Annual Conference, Ned Hancock was presented with the Citrus Achievement Award trophy during a special ceremony at the event’s industry luncheon. Hancock was selected as this year’s winner for his years of dedicated service to the industry and optimism that the industry will overcome HLB and other challenges. In his acceptance speech, Hancock spent much …
Explore the 2026 Citrus Variety Guide
By Jamie Burrow and Tripti Vashisth If you haven’t had a chance yet, take a few minutes to explore the new 2026 University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Variety Guide. You’ll find it beginning on page 21 of the April 2026 issue of the UF/IFAS Citrus Magazine. WHAT IT INCLUDES This guide is designed to …
‘A Land Remembered’ TV Series Producer To Speak at Citrus & Specialty Crop Expo
For many Florida farmers and ranchers, “A Land Remembered” is a treasured piece of historical fiction. The novel chronicles the lives of three generations of the MacIvey family in Florida from the 1850s to the 1960s. There has been a lot of buzz about a new TV series that is being made based on the book. Todd Wiseman Jr., who …
Hancock Honored With Citrus Achievement Award
Some of Ned Hancock’s earliest memories illustrate what set him on the path to become a citrus grower. His grandfather would pick him up on Saturdays with some tasks to complete in the groves. Then his father awakened his entrepreneurial spirit in his early teens. “My dad had bought a piece of land that had some old seedling orange trees,” …
Gibberellic Acid Has Multiple Uses in California Citrus
There are numerous preharvest and postharvest uses of gibberellic acid (GA) in California citrus, a University of California Riverside Extension subtropical horticulturist reported during a June 9 webinar. Mary Lu Arpaia’s GA discussion was a major portion of her broader topic of plant growth regulators in California citrus. Her presentation was part of the Citrus Research Board Webinar Series. WHAT …
Agriculture Victories in Florida Budget
Florida Commissioner of Agriculture Wilton Simpson on June 2 highlighted the major agriculture victories included in the Florida Legislature’s 2026–27 state budget. CITRUS INDUSTRY Florida’s citrus industry received $196 million to support research, cost-share for equipment and infrastructure improvements at citrus nurseries and packinghouses, and the production and increased availability of healthy citrus rootstock. “Florida’s citrus industry remains resilient because …
Boost Natural Defenses Against Psyllids in Summer
By Lukasz Stelinski As summer takes hold in June, Asian citrus psyllid (ACP) populations are often high coinciding with availability of new flush. This is also a time when natural enemies can provide meaningful ACP suppression. Growers can improve biological control by making management decisions that help predators and parasitoids survive and function in the grove. MANAGE ANTS One important …
Take Advantage of Rising Temperatures to Treat for Fire Ants
Fire ants can quickly become a serious problem for landowners, producers, large-scale operations, and more. These aggressive invaders pose risks to livestock, people, equipment, and crops, building underground colonies that can thrive and expand if left unchecked. That’s why incorporating a spring fire ant treatment plan is key to sustaining control. Rising temperatures signal a seasonal shift, and an ideal …
Three Years of OTC Trunk Injection Provide Cumulative Benefits
By Ute Albrecht, Gabriel Pugina and Larissa Nunes According to a recent industry survey, 64% of Florida citrus growers have injected their trees for three consecutive years with oxytetracycline (OTC). This article reports the results from three research trials conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Plant Physiology Team at the Southwest Florida Research …
What’s Next for CRAFT: A Q&A With Steven Hall
The Florida Legislature this year mandated the merger of two major Florida citrus research organizations: the Citrus Research and Field Trial Foundation (CRAFT) and the Citrus Research and Development Foundation (CRDF). CRAFT Executive Director Steven Hall recently answered questions about the merger. Q: What are the steps and timeframe for the merger? A: The legislation requiring the merger specifies that …
Rootstocks May Hold Key to Boosting Citrus Fruit Nutrition
When citrus growers select a rootstock, they typically focus on traits such as tree vigor, yield potential, disease tolerance and adaptation to soil conditions. New research suggests there may be another important factor to consider: the nutritional quality of the fruit. A recent study in India found that rootstocks can significantly influence the mineral nutrient content of citrus fruit. The …





























