productive

Growers Can Stay Productive in the Face of HLB

Daniel CooperHLB Management

Despite declaring there will be no silver bullet for HLB, Ozgur Batuman in a Jan. 21 virtual seminar said growers using integrated pest management (IPM) tools “can stay productive.” However, the University of Florida Institute of Food and Agricultural Sciences associate professor also warned that producing citrus juice in Florida “will not be easy or cheap.” Oranges are by far …

podcast

All In For Citrus Podcast, January 2026

Daniel CooperAll In For Citrus Podcast, HLB Management

In the latest 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, discussed a statewide citrus workshop hosted at the Southwest Florida Research and Education Center in January. The event provided a day full of educational presentations covering a wide range of topics. Rogers …

workshop

Oxytetracycline Performance Addressed at Citrus Workshop

Daniel CooperEvents, HLB Management

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a statewide citrus grower workshop in mid-January at the Southwest Florida Research and Education Center in Immokalee. The event offered a full day of education covering a wide range of topics, including management of pests, diseases, weeds and nutrients. Ute Albrecht, UF/IFAS associate professor of plant physiology, provided …

recovery

Grower Results With ReMedium TI® Mirror Researcher Results

Daniel CooperHLB Management, OTC Expert, Sponsored Content

Sponsored Content Question: Are there any updates on the performance of ReMedium TI® and citrus yield improvements? Answer: We are hearing from growers about groves in central and southern Florida where they are observing HLB recovery. I am getting reports from growers that have been steadfast users of ReMedium TI® that seem to be in agreement with much of the …

ascorbic acid

Amending Oxytetracycline With Ascorbic Acid

Daniel CooperHLB Management, Tip of the Week

By Lauren Fessler Mathews, Ana Redondo and Ozgur Batuman Trunk injections of oxytetracycline (OTC) have been proven to give huanglongbing (HLB)-affected citrus in Florida a boost in productivity and quality. However, previous studies have shown that even just six hours of exposure to heat and humidity in the grove can lead to OTC injections that no longer adequately suppress CLas …

brassinosteroids

Unraveling the Mechanisms Leading to Prolonged Tree Health by Combining IPCs and Brassinosteroids

Daniel CooperHLB Management, IPCs, Tip of the Week

By Fernando Alferez, Divya Aryal and Saoussen Ben Abdallah University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research in the last three years has found that the combined use of individual protective covers (IPCs) and brassinosteroids (BRs) enhances protection of citrus trees against HLB and other diseases that limit citrus production in Florida. The research has been conducted …

usda

USDA Research Priorities Cite Citrus Greening

Daniel CooperAgriculture, Citrus Greening, Research

The U.S. Department of Agriculture (USDA) recently issued a directive about its research and development priorities. The priorities, which cite citrus greening in item 3, are:  1. INCREASING PROFITABILITY OF FARMERS AND RANCHERS While research to increase productivity has allowed American farmers and ranchers to provide the safest, most abundant and most affordable food and fiber supply, the volatility in …

Why HLB Is So Difficult To Control

Daniel CooperBrazil, HLB Management

Brazil’s Fundecitrus recently published a scientific article explaining why HLB is so difficult to control. “Why is it so difficult to control huanglongbing (HLB)? Point of view” was published by the journal Scientia Agricola (Agricultural Science). It was authored by Fundecitrus researcher Renato Bassanezi and post-doctoral researcher Isabela Vescove Primiano, in collaboration with the late professor Armando Bergamin Filho of …

Florida

What We’ve Learned From 20 Years of HLB Research in Florida

Daniel CooperHLB Management, Research

By Michael Rogers It has now been two decades since huanglongbing (HLB), or citrus greening, was first detected in Florida. That announcement in August 2005 changed everything for the Florida citrus industry. At the time, Florida citrus was still a global powerhouse. Less than a year earlier, HLB had been confirmed in Brazil, and we were aware of its devastating …

winter

Implementing Insecticide Sprays for Winter Management of Psyllids

Daniel CooperHLB Management, Psyllids, Tip of the Week

By Jawwad A. Qureshi In winter, citrus trees enter a state of quiescence due to lower light and cooler temperatures, which slows their metabolic activity. Therefore, most citrus trees do not produce new shoots during this period. These young shoots are essential for the growth of the Asian citrus psyllid (ACP), Diaphorina citri. The ACP is a small sap-feeding insect …

trials

Trials Show Organic Tool Could Mitigate the Impact of HLB

Daniel CooperHLB Management, Organic

Mountain Valley MD Holdings Inc. (MVMD) recently reported positive results from ongoing citrus field trials in Brazil for its Agrarius™ signaling technology. Agrarius™ is designed to organically increase crop yields, reduce fertilizer and pesticide usage and enhance plant health. MVMD has been working with a client-directed third-party agricultural partner, FARM ATAC, in Brazil to assess the impact of the application …

citrus greening

Citrus Greening Seminar Featured International Experts

Daniel CooperHLB Management, International

Fundecitrus recently held an international seminar dedicated to citrus greening. The event had approximately 150 participants and featured experts from China and Brazil. GENOME EDITING Xuefeng Wang, from China’s Southwest University’s Citrus Research Institute, highlighted his interest in building a solid partnership in the area of ​​genome editing. He said his group has already identified promising genes that can contribute …

December

Sneak Peek: December 2025 Citrus Industry

Daniel CooperHLB Management, Sneak Peek

As the end of the year approaches, now is a good time to look back at what has been learned about huanglongbing (HLB) disease over the last 20 years. In the Citrus Industry section of the December issue of Specialty Crop Grower, Michael Rogers, Citrus Research and Education Center director, provides a comprehensive review of the progress made in fighting …

recovery

ReMedium TI®: Maximum Return on Investment

Daniel CooperHLB Management, OTC Expert

Sponsored Content Question: Are third-party research trials showing good improvement in HLB symptoms with the use of ReMedium TI®? Answer: There have been a number of research trials performed by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) over the past couple of years. ReMedium TI® results have been …

sprouting

Record Brazilian Sprouting Increases HLB Risk

Daniel CooperBrazil, HLB Management, Psyllids

The first half of November saw the most sprouting ever observed in Brazilian citrus by the Psyllid Alert, reaching 37.4%. This scenario raises an alarm for citrus growers, since the increase in sprouting is directly linked to the growth of the psyllid population, the insect vector of huanglongbing (HLB) disease. HLB is also known as citrus greening. According to the …

Eagle Lake

Eagle Lake Field Day Highlights Conventional Breeding Potential

Daniel CooperBreeding, Events, HLB Management

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) citrus breeding team hosted a field day on Nov. 19 at the UF/IFAS Eagle Lake Block. The Eagle Lake Block is a 30-acre property that was gifted to CREC as part of the Jim Hughes estate. The grove tour featured several selections being …

gene editing

Improved Citrus Gene Editing

Daniel CooperBreeding, HLB Management, Research

A University of Connecticut researcher recently made advancements in citrus gene editing techniques to reduce the drawbacks of traditional methods. The researcher is Yi Li, professor of horticultural plant breeding biotechnology in the College of Agriculture, Health and Natural Resources. BACKGROUND Scientists employ genome-editing technologies to precisely modify a plant’s own genes, either by inactivating or activating specific target genes …

ReMedium TI®

ReMedium TI® Approved for Fourth Year in Florida

Daniel CooperHLB Management

The Florida Department of Agriculture and Consumer Services recently approved TJ BioTech’s request for a Section 24(c) registration related to a fourth year of use of the oxytetracycline (OTC) product ReMedium TI®. The product is a systemic injectable antimicrobial for the control or suppression of huanglongbing (HLB) disease in citrus. The Section 24(c) registration is a special local need registration. …

recovery

Fruit Quality Improvement Takes Time

Tacy CalliesHLB Management, OTC Expert

Sponsored Content Question: Previous questions have been asked about increases in yield and quality of the citrus crop as groves begin to recover from HLB. Why does it take additional time to get quality to improve? Answer: The ability of any crop to produce both high yield and high quality is an agronomic function of a plant’s ability to intake …