Florida Agriculture Commissioner Adam Putnam, with the concurrence of the Environmental Protection Agency, has issued a Crisis Declaration that makes the use of three bactericides legal as of today. See the Crisis Declaration for details. Growers should make sure to have a copy of the Crisis Declaration and other portions of the attachment in their possession when utilizing these products. …
Legislative Progress for Florida Citrus Growers
In a message below, Mike Sparks, executive vice president/CEO of Florida Citrus Mutual, reports positive news on the current status of the citrus industry’s agenda items in the legislative session. Dear FCM Board and Members: It’s been a whirlwind 2016 in Tallahassee and with a week left in the scheduled legislative session, I have some very positive news to share. …
CITRUS NURSERY SOURCE: Moving From Creation to Adoption
By Peter Chaires Growers and nurserymen have come to understand that citrus breeding is a continuum. It can’t be turned on and off like a light switch. Though priorities of emphasis, available techniques, tools and technologies may change, large shifts in breeding objectives take time and can produce delays and inefficiencies. Making crosses is a relatively quick process. Knowledgeable breeders …
Season’s First Forecast Shows Stark Contrasts Among Citrus-Producing States
U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) released its first citrus crop forecast of the 2026–27 season on Oct. 9. The federal forecast for all Florida citrus varieties, with the exception of lemons, is down from last season. All citrus crops in other states are expected to increase. FLORIDA The Florida all-orange crop is expected to plummet …
Consistent Irrigation Needed To Avoid Fruit Split
Consistent irrigation is needed during the final few weeks of production for this year’s crop in the cold-hardy citrus region. That management tactic will help prevent fruit splitting, said Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist. Sutton said she has seen fruit split in a couple of spots that was caused by extended dry, hot …
RAISE Act Targets Faster Disaster Aid
U.S. Reps. Debbie Wasserman Schultz (FL-25), Scott Franklin (FL-18), Darren Soto (FL-09) and Kat Cammack (FL-03) introduced the Restore Agricultural Investment, Stability and Expansion (RAISE) Act of 2026, to provide the U.S. Department of Agriculture (USDA) with the standing authority to help growers recover after natural disasters by issuing block grants. “Florida’s citrus industry knows firsthand the devastating impacts of …
Digital Twins Present New Possibilities for Citrus
Digital technology that creates virtual versions of orchards, trees and fruit shipments could eventually help citrus growers make more informed decisions about production and fruit quality, according to a new review of research. A digital twin combines real-world information, such as weather data, sensor readings and satellite or drone images, with computer models and artificial intelligence. The resulting virtual representation …
ReMedium TI® Demonstrates Proven Performance in Citrus Greening Management
Sponsored Content In the ongoing battle against citrus greening (also known as huanglongbing or HLB), a disease that has devastated Florida’s citrus industry, the trunk-injection product ReMedium TI® has demonstrated promising performance. Since its commercial release in January 2022, ReMedium TI® has continued to generate interest and optimism among Florida citrus growers seeking economically viable tools to manage the disease. Recent research …
FFVA Names Researcher of the Year
Florida Fruit & Vegetable Association (FFVA) recently presented Kim Bowman its 2026 Researcher of the Year Award. For more than 30 years, Bowman has led citrus rootstock research at the U.S. Department of Agriculture, Agricultural Research Service, U.S. Horticultural Research Laboratory in Fort Pierce, Florida. He has worked to develop innovative solutions to improve citrus production and help growers address …
Combining PGRs and OTC Boosts Returns
By Prudhvi Vulchi, Amit Levy and Tripti Vashisth A three-year commercial grove study evaluated plant growth regulators (PGRs) and oxytetracycline (OTC) in HLB-affected Valencia trees. The results suggest that these practices help HLB-affected trees by two distinct mechanisms. PGRs mainly supported tree growth and productivity by reducing callose accumulation and improving growth-promoting hormone levels in leaves. OTC reduced Candidatus Liberibacter …
Unraveling the Greasy-Green Mystery in Florida Grapefruit
By Megan M. Dewdney, Eva L. Mulandesa and Mark A. Ritenour Greasy-green began to be reported as a problem in Florida by fresh fruit packers and growers around 2020. The disorder, with green blotches on the grapefruit surface, appeared to be different from other known rind disorders. The effect was costly for growers and packers, with reported losses between $20,000 …
Grosser’s Promising Citrus Picks
During a recent webinar, Jude Grosser, University of Florida Institute of Food and Agricultural Sciences professor of plant cell genetics, presented a three-legged stool approach to achieving sustainability in citrus production. Those legs consist of: For the first two legs, Grosser said enhanced tolerance to HLB is a primary goal, along with improving yield and juice quality. During the presentation, …
Sneak Peek: October 2026 Citrus Industry
The October issue of Specialty Crop Grower magazine features citrus research updates, industry developments and more. Coverage ranges from a grapefruit disorder to citrus breeding efforts to rebuilding Florida’s production. The Citrus Industry section, begins on page 22 with “Unraveling the greasy-green mystery in Florida grapefruit,” by Megan M. Dewdney, Eva L. Mulandesa and Mark A. Ritenour. University of Florida …
Cooler Weather Key to Cold-Hardy Citrus Quality
Cold-hardy citrus producers are yearning for some cooler weather. It would not only provide some relief from the warm temperatures being experienced across North Florida, South Georgia and South Alabama, cooler temperatures will aid in color development in this year’s fruit, among other benefits. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, discussed the impact of …
Longer-Lasting Psyllid Control With Nanoparticle Formulation
Chinese researchers have developed a nanoparticle-based formulation that combines an insecticide and a plant-derived repellent to provide longer-lasting control of HLB-spreading Asian citrus psyllids (ACP). An article about their study, published in Nanomaterials, explores a way to extend pesticide effectiveness while reducing damage to citrus leaves. The article was written by Wenhua Rao, Qianying Li, Kaidi Wang, Chao Shen, Guocheng …
Silicon and Salicylic Acid May Benefit W. Murcott
Preharvest silicon (Si) applications, when combined with postharvest salicyclid acid (SA), may increase W. Murcott mandarin fruit size, according to research from Ege University in Türkiye. The study, published in the Ege University Faculty of Agriculture Journal, examined whether the Si and SA applications could help maintain mandarin quality during extended cold storage. The authors are İzzet Atakan Erdallı, Fatih …
A New Way To Stay Current With PULAs
The U.S. Environmental Protection Agency (EPA) announced a new email subscription feature to help pesticide users quickly receive updates from the Bulletins Live! Two system. The updates will include notifications about new Pesticide Use Limitation Areas (PULAs) and changes to existing PULAs. EPA developed this feature in response to requests from pesticide users who asked for better access to Bulletins …
Managing Alternate Bearing With Fruit Thinning
Three University of Florida Institute of Food and Agricultural Sciences researchers recently authored an article explaining how to manage alternate bearing in citrus with fruit thinning. Alternate bearing is the tendency for trees to carry a heavy crop one year, followed by a season of very little fruit. The authors are Masood Jan and Muhammad Shahid with the North Florida …
Nearly Half a Century of Service to Florida Citrus Mutual
Florida Citrus Mutual (FCM) field representative Rusty Wiygul is preparing to retire after 48 years. For nearly half a century, he talked to growers in their groves, listened to their concerns, helped solved problems and built relationships. “Rusty’s career has spanned some of the most significant changes and challenges Florida citrus has ever faced,” FCM stated. “He joined the team …
Challenge 250 to Strengthen Response to Invasive Species
A new initiative aims to strengthen the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) ability to respond rapidly when a new invasive pest or plant disease threatens. Edward “Gilly” Evans, director of the UF/IFAS Tropical Research and Education Center (TREC), launched the Challenge 250 initiative. Named in recognition of the nation’s 250th anniversary, it aims to raise …