peel

Turning Orange Peel Into Heart-Healthy Gold

Daniel CooperResearch

For every gallon of Florida orange juice produced, nearly an equal amount of peel is left behind. Traditionally, this material has been used for cattle feed or compost. New research from Yu Wang and Hyun Jeong Jung at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center suggests a far more valuable use. …

management

Can Physical Barriers Improve Sting Nematode and Root Weevil Management?

Daniel CooperPests

Larry Duncan, professor of nematology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), recently presented his research regarding the management of sting nematodes and diaprepes root weevils. The presentation was part of an ongoing series of Zoom meetings organized by Mongi Zekri, UF//IFAS citrus Extension agent. STING NEMATODE Sting nematode is an important pest, especially in …

wish list

Holiday Wish List for Food Safety

Daniel CooperFood Safety, Tip of the Week

By Taylor O’Bannon, William Mitchell, Morgan Madison, Stephanie Brown, Keith Schneider and Michelle Danyluk The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Produce Safety Extension Team compiled a wish list of food-safety items for citrus growers to prepare for the new year. Some of these items are must-haves straight from the Food and Drug Administration’s Food Safety …

podcast

All In For Citrus Podcast, December 2025

Daniel CooperAll In For Citrus Podcast, freeze

As 2025 winds down, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC), took time to recognize Chris Oswalt during the December All In For Citrus podcast. Oswalt is retiring from his post as a citrus Extension agent, which he’s held for nearly 30 years. He served Polk …

fruit display

Greenie Gains Attention at Citrus Fruit Display

Daniel CooperEvents, Fresh, Varieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) hosted its last scheduled citrus fruit display of the year on Dec. 17 in Lake Alfred. The December display is considered the best of the season due to the number and diversity of varieties available. There were about 25 fresh fruit varieties on …

spray drift

How To Reduce Spray Drift

Daniel CooperPesticides, Safety

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provided the following tips for reducing spray drift in citrus groves: Source: UF/IFAS Sponsored ContentTake the Sting Out of Fire AntsMarch 6, 2026Grower Results With ReMedium TI® Mirror Researcher ResultsJanuary 21, 2026Take Advantage of Rising Temperatures to Treat for Fire AntsJuly 1, 2025

young citrus

Herbicide Safety Around Young Citrus Trees

Daniel CooperTip of the Week, weeds

By Ramdas Kanissery Young citrus trees are highly sensitive to herbicides. Even small amounts of drift onto green bark or foliage can significantly impact tree growth (Figure 1). Taking a few practical precautions during herbicide applications can help protect young trees and keep them growing strong during their early establishment years. AVOID HERBICIDE CONTACT WITH GREEN BARK The greatest risk …

hands

AI Center Goal: Put Technology in Growers’ Hands

Daniel CooperTechnology

The vision of researchers at Florida’s new Center for Applied Artificial Intelligence (AI) in Agriculture is to manage farm issues in real time, putting AI directly into farmers’ hands. Construction on the 40,000-square-foot AI facility is underway and is expected to be completed in early 2027. “We’re not just studying problems. We’re equipping farmers with solutions,” said Nathan Boyd 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 …

citrus Extension

Citrus Extension Agents Encourage Growers to Engage With Their Services

Daniel Cooperextension

Florida citrus Extension agents are a conduit to growers, connecting them with the educational and support resources of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Recently, two of those agents held stakeholder meetings to seek input from growers on areas where they would like to see more education and assistance from UF/IFAS. Alissa Hevesh is the …

podcast

All In For Citrus Podcast, November 2025

Daniel CooperAll In For Citrus Podcast

The November All In For Citrus podcast takes a trip around the globe. Faculty from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) join the show to describe citrus production in regions outside of the United States. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, gives an update on citrus in the Caribbean and …

acclimation

Understanding Acclimation and Protecting Trees From Freeze

Daniel Cooperfreeze, Tip of the Week, Weather

By Davie Kadyampakeni, Chris Oswalt and Muhammad A. Shahid With the onset of cooler temperatures, citrus trees cease active growth and become quiescent. This continued quiescence at lower temperatures results in a subsequent increase in cold hardiness, known as acclimation. Citrus trees proceed through many changes during acclimation, including: The above factors combine to increase the ability of citrus tissues …

CRDF

CRDF Considers Research Management Committee Recommendations

Daniel CooperCRDF, Research

The Citrus Research and Development Foundation (CRDF) convened its November board of directors meeting to take up recommendations from its Research Management Committee. According to Rick Dantzler, CRDF chief operating officer, one of those recommendations was funding a proposal from Swadesh Santra, who is a professor of chemistry with the University of Central Florida. “This funding would allow Dr. Santra …

soil moisture

Adequate Soil Moisture Is Key to Avoiding Fruit Drop

Daniel CooperFruit Drop, Irrigation, Weather

A lack of adequate soil moisture could make an already challenging situation for Florida citrus growers worse. It is imperative that producers keep applying irrigation amid any prolonged dry period, says Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus agent. Oswalt noted that many citrus-producing regions in Florida have had little, if any, rain in …

cold

Preparing Citrus Groves for Cold Fronts

Daniel Cooperfreeze, Tip of the Week

By Muhammad A. Shahid, Shahid Iqbal and Davie Kadyampakeni As temperatures begin to drop across citrus-growing regions, now is the time for growers to prepare their groves for potential freeze events. Citrus trees, especially young plantings, are susceptible to cold temperatures. Damage from a single freeze event can result in canopy dieback, fruit loss and even tree death. Proper planning …

updates

Florida Citrus Disease Updates

Daniel CooperDiseases

Plant pathologist Megan Dewdney on Nov. 20 presented updates on greasy spot, greasy-green, citrus black spot (CBS) and phytophthora brown rot. Dewdney is a University of Florida Institute of Food and Agricultural Sciences associate professor and Extension specialist at the Citrus Research and Education Center. GREASY SPOT AND GREASY-GREEN Dewdney reported that control measures for greasy spot, caused by 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 …

NVDMC

CITRUS NURSERY SOURCE: NVDMC’s Research Initiatives for 2025–26

Daniel CooperCitrus Nursery Source, Research

By Peter Chaires Last month’s Citrus Nursery Source article promised additional details on New Varieties Development & Management Corp.’s (NVDMC) 2025–26 sponsored projects. While there is only space for general summaries, it is important to highlight the areas of focus for each research team, and the emphasis on short-term benefits while continuing to build a foundation for the future. NVDMC …

replanting

What to Consider When Replanting a Grove

Daniel Cooperplanting, Tip of the Week

By Edwin Gutierrez-Rodriguez and Bosques Jonael Replanting a citrus grove can be an exciting prospect, but it’s not as simple as swapping trees. New cultivars, for example, may require a different setup. Here are some aspects to consider before jumping in: First steps: Newly released cultivars and rootstocks as wells as the Citrus Research and Field Trial programs are refreshing the …