By Peter Chairs The University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) commitment to the use and development of artificial intelligence (AI) in production agriculture is fueling conversations throughout the citrus industry. For most of us, AI was not even on our radar a few years ago. Today, commercial and nursery growers are excited about the development of …
Florida Citrus Growers’ Institute Put Researchers Under One Roof
The 2025 Florida Citrus Growers’ Institute had a different setup compared to previous years. Scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) convened at South Florida State College in Avon Park on April 8 to share research that will help shape the future of the Florida citrus industry. Chris Oswalt, UF/IFAS citrus Extension agent who …
Mechanism of Resistance to HLB Identified
A research team led by Jian Ye from the Institute of Microbiology of the Chinese Academy of Sciences has identified the first mechanism of citrus resistance to HLB. Results of the study were published in Science. Utilizing artificial intelligence (AI), the team has also developed antimicrobial peptides that offer a promising therapeutic approach to combat the disease. This discovery addresses …
Biosolids: The Scoop on Processed Poop
By William Mitchell, Taylor O’Bannon and Michelle Danyluk Biosolids, sometimes referred to as sewage sludge, are a primarily organic solid product produced by wastewater treatment processes. These organic solids are often used as an inexpensive soil amendment to enhance soil quality. KNOW THE RULES AND RISKS The Food Safety Modernization Act (FSMA) Produce Safety Rule (PSR) prohibits the use of …
AccuWeather Issues Hurricane Season Forecast
The AccuWeather 2025 Atlantic Hurricane Season forecast predicts 13 to 18 named storms this year. Seven to 10 of those storms are expected to strengthen into hurricanes. Three to five of the storms are predicted to strengthen into major hurricanes (Category 3 hurricane or higher on the Saffir-Simpson Hurricane Wind Scale). Category 3 hurricanes have maximum sustained winds of 111 …
Book Chronicles Florida Citrus’ Rise, Fall and Future
Fifth-generation Floridian David Sumner, who grew up in a citrus family, has written “The Rise, Fall, and Future of Florida’s Citrus Industry.” The 327-page book includes historic citrus photos dating back to the late 1800s. Sumner tells the story of Florida citrus from the end of the Civil War to the present. He visited Florida archives and conducted 53 interviews …
PIECES OF THE PAST: A Lakeland Citrus Story
By Brenda Eubanks Burnette I was recently at the opening of the Lakeland History and Culture Center’s new citrus exhibit called “From the Groves, Lakeland’s Citrus Story,” located in the Lakeland Public Library by Lake Morton. Lakeland was once called the “World’s Citrus Center,” so this exhibit is long overdue. It’s been two years in the making by LuAnn Mims, …
Sneak Peek: May 2025 Citrus Industry
The May issue of Specialty Crop Grower magazine is where to find the latest Citrus Industry articles. If your grove is in Florida, there’s a good chance ghost snails have haunted your trees and irrigation equipment. An article from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professors Lauren Diepenbrock and Nicole Quinn offers some advice on …
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 …
Bill Seeks Citrus Alternative Crops
A bill passed unanimously by the Florida Senate and awaiting House approval would fund a $1 million Florida A&M University (FAMU) research project to identify alternative crops for former citrus lands. While the legislation authorizes the study, it is contingent on funding approval. The $1 million budget allocation for the FAMU project is part of a larger agricultural relief effort …
Another Above-Average Hurricane Season Expected
Colorado State University (CSU) hurricane researchers are predicting an above-average Atlantic hurricane season in their initial 2025 forecast report. The CSU team is predicting 17 named storms during the season, which runs from June 1 to Nov. 30. Of those, researchers forecast nine to become hurricanes and four to reach major hurricane strength (Category 3, 4 or 5) with sustained …
University of Georgia Honors Jake Price
Jake Price, who has helped introduce cold-hardy citrus to Georgia, was recently honored by the University of Georgia (UGA). He is one of five UGA faculty and staff members recognized for their commitment to public service and outreach. Price won a Walter Barnard Hill Award, named for UGA Chancellor Walter B. Hill. Each award recipient receives a medallion, a permanent …
Fundecitrus Researchers Visit Australia on Greening Mission
Fundecitrus researchers Juan Arenas, Mônica Neli Alves and Sílvio Lopes recently participated in the Conference of the International Organization of Citrus Virologists in Mildura, Australia. Alves discussed research conducted by Fundecitrus exploring the use of species in the genetic improvement of citrus trees resistant to greening. Lopes presented a comparative overview of greening and citrus variegated chlorosis, two of the …
Citrus Seminars Provide Research Updates
Researchers from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture (USDA) delivered several presentations to a standing-room-only audience during the citrus seminars at the Florida Citrus Show in March. VARIETIES AND ROOTSTOCKS The citrus session began with a breeder panel discussing research on varieties and rootstocks. Participants were Manjul Dutt and Jude …
Nitrogen Reduction Needed in Cold-Hardy Citrus Region
Growers in the cold-hardy citrus region are applying too much nitrogen to their groves. Muhammad Shahid, assistant professor of horticulture at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), discovered that unfortunate reality while conducting a research project in North Florida. Most citrus growers were following recommendations in the UF/IFAS Florida Citrus Production Guide, which are mostly …
Brazilian Psyllid Population Drops
The population of HLB-transmitting psyllids in Brazil dropped a significant 40% in 2024 from the prior year. Despite that drop, the psyllid population remains above the average recorded between 2014 and 2019, a period before the insect’s resistance to some insecticides was identified. This data reinforces the need for effective control strategies to prevent new psyllid population increases, according to …
Improving Diaprepes Root Weevil Management
By Maegan Beatty During a recent citrus insect management workshop at the Citrus Research and Education Center, Larry Duncan, University of Florida Institute of Food and Agricultural Sciences professor, addressed diaprepes root weevil management. This Caribbean pest was introduced to Florida in the 1960s. The adult pests feed and lay eggs in citrus tree canopies. The larvae feed on roots …
Alternate Bearing of Georgia Satsumas
Jake Price and Mary Sutton of University of Georgia Extension recently wrote an article about alternate bearing of satsumas in Georgia. Edited excerpts follow. Satsumas tend to alternate bear, which can be a problem in commercial production. The freeze at the end of 2022 contributed to the majority of satsuma trees in Georgia having a light crop in 2023. This …
Irrigation Comparison for Young HLB Trees
By Davie Kadyampakeni, Kondwani Kamsikiri and Alisheikh Atta Water scarcity is one of the major constraints in Florida citrus production systems, primarily due to erratic rainfall patterns and the low water- and nutrient-holding capacity of the predominantly sandy soils. The state’s soils contain more than 95% sand and have low organic matter (<1%) and very low water-holding capacity. These challenges …
All In for Citrus Podcast, April 2025
April is a busy month for citrus events. The Florida Citrus Growers’ Institute was held in Avon Park early in the month followed by a citrus field day at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SFWREC) in Immokalee. These events are the topic of the April episode of the …