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Below you'll see everything we could locate for your search of “oxytetracycline”
By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Two and a half years ago, Riley McKenna leveled with his dad. Without a tool that made a noticeable difference in the grove soon, it might be time for dad to retire and Riley to seek a new career. So why was he spending an April day with me and his cousin Morgan McKenna …
By Randall P. Niedz and Michelle Heck Grove-First is a collaborative research initiative developed by U.S. Department of Agriculture Agricultural Research Service (USDA/ARS) scientists and partners to solve citrus greening (HLB) by evaluating potential treatments directly in the field. This direct-to-field strategy is based on the idea that only field testing can determine whether a treatment can rejuvenate HLB-infected trees …
The U.S. Department of Agriculture National Institute of Food and Agriculture (USDA/NIFA) announced May 28 it has invested nearly $23 million in 14 HLB projects in 2025. The projects seek to find solutions to combat and prevent HLB in citrus. The projects are part of the Emergency Citrus Disease Research and Extension Program. The University of Florida is the only …
Trunk injection of oxytetracycline (OTC) to treat HLB is widely regarded as one of the biggest breakthroughs in the long fight against the disease. After two seasons of treatments, where do Florida citrus growers stand when it comes to the treatment? Tara Wade answers that question in the latest episode of the All In For Citrus podcast. The University of …
By Ute Albrecht, Gabriel Pugina, Caroline Tardivo, Jasmine de Freitas and Deived de Carvalho The month during which oxytetracycline (OTC) injections are performed can have a considerable impact on fruit size, juice quality and OTC fruit residues. Citrus fruit development can be divided into three overlapping stages: If injections are performed during Stage I, they promote cell division, which increases …
The June issue of Specialty Crop Grower magazine honors the winner of the 2025 Citrus Achievement Award. Ben Albritton, this year’s recipient, is a fourth-generation citrus grower and Florida politician. Learn all about his career and accomplishments in the cover story. Don’t miss the digital edition of the magazine to see an exclusive video interview. Albritton and Specialty Crop Grower …
Flavia Zambon, assistant professor with the University of Florida Institute of Food and Agricultural Sciences, recently provided an update about Millennium Block research at the Indian River Research and Education Center. The block, established in 2019–20, is a large-scale, 5,500-tree trial seeking HLB-tolerant citrus varieties. Zambon says some varieties in the trial are showing strong fruit attributes without the need …
The May All In For Citrus podcast features highlights from a recent OJ Break hosted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred. Podcast host Frank Giles caught up with Michael Rogers, CREC director, during the event. Rogers summarized some of the information presented at the OJ …
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar on May 14. The speakers provided updates on developing a gene-edited citrus tree with resistance to HLB and how growers can use existing tools to mitigate the disease. Nian Wang, UF/IFAS professor, provided an update on the status of …
Tripti Vashisth, associate professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been studying the use of plant growth regulators (PGRs) to improve citrus tree health and fruit retention for several years now. Her work has culminated into a systems approach of when to use a particular PGR at a certain time …
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 …
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 …
By Fernando Alferez, Divya Aryal and Saoussen Ben Abdallah In the last few years, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus horticulture team at the Southwest Florida Research and Education Center (SWFREC) in Immokalee has performed several research trials in commercial farms and at the experimental farm at the SWFREC to elucidate the effect of …
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center in Immokalee hosted a citrus field day on April 10. The event showcased the research being conducted at the center. One of the tour stops featured individual protective cover (IPC) research led by Fernando Alferez, UF/IFAS associate professor of citrus horticulture. Thanks in …
In a time when hope can be hard to find for the Florida citrus industry, one grower left last week’s Florida Citrus Growers’ Institute feeling encouraged. Whether it was meeting with fellow growers or learning about ongoing research that has long-term ramifications, Paul Koukos felt optimistic following the April 8 meeting. “It’s always good to get together with other growers, …
Growers gathered in Avon Park for the annual Florida Citrus Growers’ Institute at South Florida Community College in early April. Scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) presented updates on their work and the latest efforts to help in the fight against HLB. New this year, the scientists also hosted learning stations to further …
Florida Citrus Mutual Executive Vice President and Chief Executive Officer Matt Joyner’s optimism about the industry’s future comes on the heels of a major citrus grower stepping out of production. Alico’s departure from the citrus industry earlier this year was a body blow to the industry, according to one industry expert. Joyner feels similarly but also believes there are extenuating …
By Steven Hall The Citrus Research and Field Trial (CRAFT) Foundation received applications in Cycle Six for almost 10,000 acres of New Tree Planting (NTP) proposals and applications for nearly 47,000 acres for inclusion in Cycle Three of the Existing Tree Therapies (ETT) program. WAITLIST ESTABLISHED This demand exceeded the funding available for both programs. The selected applicants have received …
The future of Florida’s citrus industry rests on short-term survival while building a future that does not include citrus greening disease. Rick Dantzler, Citrus Research and Development Foundation chief operating officer, spoke at this year’s Georgia Citrus Association annual meeting in Tifton. He emphasized that while tools like oxytetracycline (OTC) provide growers relief, its long-term effectiveness is not guaranteed. Therefore, …
It can be hard to have hope if you are a farmer in today’s agricultural climate. It can be even harder to have optimism if you are a Florida citrus grower. Yet, Matt Joyner, Florida Citrus Mutual executive vice president and chief executive officer, has hope that the industry is trending upward even amid HLB and multiple hurricanes in previous …
