improve

Improve Water and Nutrient Retention With Compost and Biochar

Daniel CooperHLB Management, Soil Health, Tip of the Week

By Tripti Vashisth, Abhishek Neupane and Taylor Livingston Florida citrus trees are under pressure from huanglongbing (HLB). The disease weakens root systems, reducing the tree’s ability to take up water and nutrients. Compounding this issue, most Florida groves sit on sandy soils with very little organic matter. These soils drain quickly, struggle to hold nutrients and allow both water and …

purity level

A Pure Product Pays Dividends

Daniel CooperHLB Management, OTC Expert

Sponsored Content Question: Does the purity level of ReMedium TI® help aid the therapeutic response to citrus greening with trees that are under environmental stress? Answer: During the research and development phase of ReMedium TI®, several things were observed that pertain to this question. First, trees that have been under relatively severe stress do have slower uptake of ReMedium TI®. …

plan

Georgia Needs Management Plan for Citrus Greening

Daniel CooperGeorgia, HLB Management

Citrus greening disease has yet to find its footing in Georgia’s commercial citrus. But if it does, Georgia’s growers need a plan in place to manage the disease. Lindy Savelle, executive director of the Georgia Citrus Association (GCA), emphasized that message during last week’s GCA annual meeting in Tifton. “There is a very small amount of the disease in commercial …

purity level

TJ BioTech and AgroSource Settle Patent Dispute

Tacy CalliesHLB Management, OTC Expert

Sponsored Content Question: What is the status of the civil action that TJ BioTech filed against AgroSource? Answer: TJ BioTech LLC filed a civil action in August 2025 and received a preliminary injunction through the district court. This preliminary injunction had the effect of removing AgroSource’s product Rectify™ from the market. This past week, a confidential settlement was reached between …

HLB

Invaio and Fundecitrus Collaborate on HLB Solutions

Daniel CooperHLB Management

Invaio Sciences, Inc. recently announced a collaboration with Fundecitrus (Fund for Citrus Protection), a research organization based in Araraquara, Brazil. The partnership aims to accelerate the development and evaluation of novel solutions — particularly peptide-based technologies — for controlling huanglongbing (HLB), also known as citrus greening disease. The collaboration combines Invaio’s Biologicals by Design™ platform and Fundecitrus’ expertise in grove …

research center

New Research Center in Brazil to Seek Citrus Greening Solutions

Daniel CooperCitrus Greening, International, Research

With an investment of $200 million (in Brazilian reals), three citrus research organizations in Brazil have partnered to create a research center in São Paulo to seek solutions to citrus greening. The São Paulo Research Foundation (FAPESP), Fundecitrus and Luiz de Queiroz College of Agriculture at University of São Paulo (ESALQ-USP) agreed on Jan. 12 to establish the Applied Research Center …

Millennium Block

Millennium Block HLB Findings Expected This Year

Daniel CooperHLB Management, Research

Fruit harvested at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Millennium Block from 2022 to 2026 will help determine the effectiveness of potential solutions to HLB. This season’s fruit will be harvested through early February, and research results are expected later this year.  The Millennium Block was planted in 2019 at the UF/IFAS Indian River Research …

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 …

purity level

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 …