treatment

Teenager Awarded for Investigation of Alternative Trunk-Injection Treatment

Daniel CooperAwards, HLB Management, Research

Tanishka Balaji Aglave of Valrico, Florida, received the $10,000 H. Robert Horvitz Prize for Fundamental Research for her investigation into a natural alternative treatment against citrus greening disease (known as huanglongbing, or HLB). Aglave, a 15-year-old who attends Strawberry Crest High School and grew up on a citrus farm, injected the trunks of infected citrus trees with an extract from …

July

Sneak Peek: July 2024 Citrus Industry

Daniel CooperHLB Management, Sneak Peek

The conversation in Florida citrus continues to center around trunk injection of oxytetracycline (OTC). The July issue of Citrus Industry magazine presents the latest information on the OTC topic. OTC product labels require a one-year pause in application after two years of use. This requirement was put in place to prevent pathogen resistance to the product. Florida growers who have …

Citrus Achievement Award

Brenda Eubanks Burnette Takes Home Citrus Achievement Award

Daniel CooperAwards, Events

One of the highlights of the Florida Citrus Industry Annual Conference is the presentation of the Citrus Achievement Award trophy. This year’s winner, Brenda Eubanks Burnette, was presented with the trophy during the event’s industry luncheon. Burnette received several standing ovations as she was presented with the award. Frank Giles, editor-in-chief of AgNet Media, said it was refreshing to step …

june

All In For Citrus Podcast, June 2024

Daniel CooperAll In For Citrus Podcast

The educational seminars at the June Florida Citrus Industry Annual Conference covered a wide range of topics intended to give growers hope that progress is being made in the fight against HLB. During the June All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, …

growers

CITRUS NURSERY SOURCE: What Florida Citrus Growers Are Talking About

Daniel CooperCitrus Nursery Source

By Peter Chaires When June rolls around, the last of the oranges are generally coming in and it’s time to reassess what worked and identify areas for improvement. Research-based entities are making every effort to steer dollars to where they will have the most immediate impact. The name of the game right now is capacity preservation. We must do what …

Ask The OTC Expert

Have Questions about Trunk Injection? Ask the Expert for Answers In this special series, Tom Johnson, owner of TJ BioTech, tackles questions about optimizing trunk injection applications to treat HLB. Get technical tips and more advice on how to get the most out of your oxytetracycline treatment. Have a question? Email your questions to CitrusIndustry@AgNetMedia.comOctober 29, 2025The Road to HLB …

science

Supporting Citrus Science

Daniel CooperResearch

By Rob Gilbert, ragilber@ufl.edu, @IFAS_VP Let’s start with the most important thing. Citrus science remains a top priority of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Citrus is special. My goal for citrus is sustainability. That means profitability. Here are a few new ways UF/IFAS has demonstrated its support for citrus science during the past five …

root recovery

Have Questions About Trunk Injection? Ask the Expert for Answers

Daniel CooperHLB Management, OTC Expert

Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, tackles questions about optimizing trunk-injection applications to treat HLB. Q: Are there any advantages or disadvantages to making a ReMedium TI® Injection in the rootstock or the scion? Tom Johnson: To start, agronomically there is really no difference in a ReMedium TI® injection into the rootstock or the …

roots

The Relationship Between Roots and OTC Treatments

Daniel CooperHLB Management, Root health

Back in the early days of the HLB fight, it was observed that what is going on underground in citrus tree root systems is just as important as what is happening aboveground. In 2013, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture-Agricultural Research Service researchers published that 27% to 40% root loss due …

Argentine ants

Fighting Argentine Ants to Assist ACP Biocontrol

Daniel CooperCalifornia Corner, HLB Management, Pests

Agriculture officials and researchers in California have drastically reduced populations of HLB-spreading Asian citrus psyllids (ACP) through biocontrol measures. Now they’re working on ways to control other insects that are intent on protecting the ACP — Argentine ants. Mark Hoddle, professor of Extension in biological control at the University of California, Riverside, Department of Entomology, explained the ACP/Argentine ant dynamics …

hurricane

Standing Up Against Hurricanes

Daniel Cooperhurricane, Research, Rootstocks

By Ute Albrecht, Bo Meyering, Carol Tardivo, Gabriel Pugina and Kim D. Bowman The approaching hurricane season poses the question of why strong winds cause some citrus trees to topple over while others remain firm in the ground. Grove location, grove topography and soil type are factors that influence a tree’s ability to withstand tropical-force winds. The tree’s root structure …

biological control

Biological Control Leads to ‘Massive Decline’ in Psyllids

Daniel CooperBiologicals, California Corner

Repeated evaluations throughout California showed “a massive decline – greater than 70%” in HLB-spreading Asian citrus psyllid (ACP) densities since the inception of a biological control program, a researcher reported recently. Mark Hoddle said the University of California, Riverside (UCR) and the California Department of Food and Agriculture (CDFA) turned to biocontrol because insecticide spraying wasn’t adequately controlling the psyllid. …

cutrale

Cutrale to Close Florida Juice Plant

Daniel CooperOrange Juice

The Cutrale Citrus Juices USA plant in Leesburg, Florida, will close and lay off 117 employees beginning in late July. A notice from Cutrale posted on the Florida Department of Commerce website gave the reason for the closing as “primary business partner has decided to move packaging operations from the Leesburg facility to their own facilities.” The notice is required …

Nutrient Recommendations

Digging Into New Citrus Nutrient Recommendations

Daniel CooperAll In For Citrus Podcast, BMPs, Nutrition

In 2022, the Florida Legislature allocated $8.7 million in funds to the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to update nutrient recommendations for several specialty crops, including citrus. In some cases, it had been decades since the recommendations were updated. The case was made that it was time for nutrient recommendations for citrus that consider new …

expanded

Citrus Greening Quarantine Expanded in Texas

Daniel CooperDiseases, Regulation, Texas

Agriculture officials have expanded the areas quarantined for citrus greening (huanglongbing; HLB), caused by Candidatus Liberibacter asiaticus, in Texas. All of Zapata County has been added to the quarantined areas. The action was taken by the U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the Texas Department of Agriculture (TDA). The action was taken …

citrus

All In For Citrus Podcast, May 2024

Daniel CooperAll In For Citrus Podcast

Late spring and early summer are busy times for University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists. They are out in the field preparing new research projects for the coming season and assessing data from ongoing projects. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, discusses some of that work during the May …

trunk injection

Where Do Growers Stand With Trunk-Injection Therapy?

Daniel CooperHLB Management

Florida growers are well into their second application of oxytetracycline (OTC) trunk injection as the 2023–24 season winds down. The results of the first application made last year are becoming somewhat clearer, but there’s still more to observe and learn about trunk injection. Ute Albrecht, associate professor of plant physiology with the University of Florida Institute of Food and Agricultural …

Jake Price

Georgia Research Projects Underway

Daniel CooperGeorgia, Rootstocks

Jake Price, University of Georgia (UGA) county Extension coordinator, recently provided a summary of citrus projects he has been working on: Source: Georgia Citrus Association Sponsored ContentTake Advantage of Rising Temperatures to Treat for Fire AntsJuly 1, 2025Take the Sting Out of Fire AntsJune 1, 2025A Simpler, Safer and More Effective Way to Fight HLBOctober 25, 2024

hurricane

Have a Hurricane Plan in Place

Daniel Cooperhurricane

Florida citrus growers are all too familiar with the fallout from hurricanes in recent history. In 2017, Hurricane Irma came up the spine of the state causing an estimated $760 million in damage to the citrus industry. Then in 2022, Hurricane Ian took an even more direct path over key citrus-production areas causing another $247 million in losses, according to …