oxytetracycline

Tips for Trunk Injection of Oxytetracycline

Daniel Cooper HLB Management, Tip of the Week

By Ute Albrecht and Ozgur Batuman Follow these important tips for proper trunk injection of oxytetracycline as a citrus therapeutic. APPLICATION TIMING INJECTION TECHNIQUE ADDITIONAL ADVICE Ute Albrecht (ualbrecht@ufl.edu) and Ozgur Batuman (obatuman@ufl.edu) are associate professors at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center in Immokalee. Sponsored Content5 Facts About Fire …

How Much Yield Is Needed to Offset the Cost of Injecting Trees With Oxytetracycline?

Josh McGill Economics, HLB Management

By Ariel Singerman Citrus growers in Florida are now allowed to inject their trees with oxytetracycline (OTC) to try to control Candidatus Liberibacter asiaticus and/or suppress citrus greening. The use of OTC is expected to improve the trees’ health and, in turn, increase yield. In this article, cost estimates are used to address the question of what yield response is …

Research Update on Oxytetracycline Injection for HLB Management

Josh McGill HLB Management, Research

By Ute Albrecht The German scientist Paul Ehrlich pioneered the research for “magic bullets” — chemicals that could kill a microorganism but did not harm the patient. He also coined the term “chemotherapy” and paved the way for developing synthetic drugs. The first synthetic antibiotic (the first sulfa-type antibiotic) to successfully treat human bacterial diseases without major side effects was …

Latest CRDF Funding Includes Oxytetracycline Hydrochloride Projects

Josh McGill CRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors convened its March meeting with a busy agenda, addressing fast-moving current events. Discussion focused on newly approved oxytetracycline hydrochloride (OTC-HCl) trunk-injection products currently being applied in groves. The board funded a project to measure the impact of OTC-HCI applications on the Asian citrus psyllid (ACP). Specifically, the study will determine …

Citrus Agent Discusses Oxytetracycline Hydrochloride Products

Josh McGill HLB Management, Pesticides

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Ajia Paolillo recently provided information about two commercial oxytetracycline hydrochloride products approved for use against HLB. TJ Biotech LLC was the first company to receive approval from the Environmental Protection Agency (EPA) for trunk injection of this formulation. EPA granted TJ Biotech a Federal Insecticide, Fungicide, …

Injectable Oxytetracycline Registered

Josh McGill Pesticides

The Florida Department of Agriculture and Consumer Services (FDACS) on Oct. 28 granted a 24(c) special local need registration for the injection of ReMedium TI for the control or suppression of HLB. The TJ BioTech product is oxytetracycline (OTC) hydrochloride, an antibiotic. “EPA (the federal Environmental Protection Agency) has 90 days to object, but it is my understanding that growers …

Oxytetracycline Product Promises Timely Relief From HLB

Josh McGill HLB Management

What may be the closest thing yet to a timely silver bullet for HLB was discussed Oct. 26 at Lake Alfred’s Citrus Research and Education Center. Josh Steinbronn, director of research and development at TJ BioTech, said trunk injection of his company’s ReMedium TI oxytetracycline product suppresses Candidatus Liberibacter asiaticus (CLas), the causal agent of HLB. He added that injection …

Citrus Industry Weighs In on Oxytetracycline Trunk Injection

Josh McGill HLB Management, Pesticides

Trunk injection of oxytetracycline (OTC) has been proposed as a means to manage HLB in citrus. University of Florida research shows OTC injections increase yield and fruit quality but cause tree injury. TJ BioTech expects to receive EPA registration in late fall of this year for an OTC product that could be injected into trees. Florida citrus industry growers and …

Adjuvants Did Not Improve Delivery of Foliar-Applied Oxytetracycline

Tacy Callies Citrus Expo

In 2016, federal authorities began allowing Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. Since then, researchers have been investigating oxytetracycline delivery methods. In a Citrus Expo presentation, Christopher Vincent, assistant professor of horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, shared …

Florida orange

Oxytetracycline Sprays vs. Trunk Injections

Daniel Cooper Citrus Greening, HLB Management, Industry News Release, Research

Since 2016, federal authorities have allowed Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. A newly published University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study suggests that the bactericide would be more effective if it were injected into citrus tree trunks, a practice not currently approved under U.S. law. Citrus …

panel

Panel Discussions Highlight Florida Citrus Show Seminars

Daniel Cooper Breeding, HLB Management

A pair of panel discussions during the citrus seminars at the Florida Citrus Show gave growers the opportunity to engage with experts on top-of-mind topics. BREEDER RECOMMENDATIONS The citrus seminar program started with a discussion among citrus breeders moderated by Flavia Zambon, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor at the Indian River Research and …

irrigation

Podcast Addresses Recent Irrigation Research

Daniel Cooper All In For Citrus Podcast, Irrigation, PGRs

It was a dry April in most of Florida’s citrus-production areas. That means irrigation is vital to keep HLB-infected trees adequately watered. The drier months of the year from February through May are when flowering and fruit set are occurring. If trees are stressed due to water deficit during this time, they are more likely to suffer fruit drop and …

crdf

CRDF Board Passes Preliminary Budget and Funds Projects

Daniel Cooper CRDF

During its April meeting, the Citrus Research and Development Foundation (CRDF) board of directors passed its preliminary budget for the next fiscal year. It allows $1.4 million in new project funding. “This amount should be enough to fund the projects the board wishes to fund from our primary request for proposals, which are aimed at answering practical questions growers have …

phytophthora

Phytophthora: A Complex Problem

Daniel Cooper Diseases

While the recent Florida Citrus Growers’ Institute presentations focused mainly on HLB, other topics were addressed, including phytophthora root rot. This disease has become more problematic in recent years. Megan Dewdney, University of Florida Institute of Food and Agricultural Sciences associate professor of plant pathology, spoke on the topic. She noted that phytophthora already is a complex problem and that …

may

Sneak Peek: May 2024 Citrus Industry

Daniel Cooper HLB Management, hurricane, Sneak Peek

Inside the May issue of Citrus Industry magazine, you’ll find photos and coverage from the Florida Citrus Show. The annual grower-focused event was held in Fort Pierce on April 3. A high point of the day was the outdoor trade show of exhibitors serving an array of tailgate-style foods to attendees. Educational programs included a general session on current agricultural …

April

All In For Citrus Podcast, April 2024

Daniel Cooper All In For Citrus Podcast

April was a busy month for citrus events. The Florida Citrus Show was held April 3 in Fort Pierce followed by the Florida Citrus Growers’ Institute in Avon Park on April 9. These events were a topic of discussion between All In For Citrus podcast host Frank Giles and Michael Rogers, director of the University of Florida Institute of Food …

grower

Grower Panel: OTC a Net Positive So Far

Daniel Cooper Events, HLB Management

Florida Citrus Mutual recently hosted a roundtable discussion about the performance of trunk-injection therapies as growers are making their second round of applications. The grower participants included Jim Snively, Southern Gardens Citrus; Glenn Beck, Beck Bros. Citrus and Wes Soria, Sorrells Citrus. University of Florida scientist Ute Albrecht also joined the panel to provide a research update. Rick Dantzler, chief …

research

Evolving Research Priorities for Florida Citrus

Daniel Cooper CRDF, Research

Last week, growers convened in Avon Park for the annual Florida Citrus Growers’ Institute. The daylong seminar program provides updates on the latest research in the fight against HLB and other production issues facing growers. Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation (CRDF), presented an update on the organization’s research priorities. He noted that CRDF …

fresh

A Fresh Approach

Daniel Cooper CRAFT, Fresh, Packing

Despite the challenges of the Florida citrus industry, Feek Family Citrus continues to successfully grow, pack and ship fresh fruit. In an effort to discourage his son from working in the citrus business, Doug Feek’s father gave him all the worst jobs to do in the family’s small grove. “He wanted me to save my back and work a desk …

planting

CRAFT Program Promotes New Planting and Knowledge

Daniel Cooper CRAFT, planting, Research

Since its founding in 2019, the Citrus Research and Field Trial (CRAFT) program has been responsible for the planting of just under 10,000 acres of new trees. This includes about 6,000 acres of solid-set groves and just shy of 4,000 acres of resets. CRAFT is a first-of-its-kind program and considered an innovation among funding agencies needed to support such efforts. …