owari

In Georgia Owari Trial, Yields Peaked in 2021

Daniel Cooper Georgia, Research, Rootstocks

University of Georgia Extension agent Jake Price recently summarized yields for three recent seasons from Owari satsuma trees in a rootstock trial. Last year, 2023, was the last harvest year for data collection in the trial. Price reported that yield in the trial plot peaked in 2021 with a yield of about 20,300 pounds on 60 trees, which would be …

hlb

Rigorous HLB Control Works at Brazilian Farm

Daniel Cooper Brazil, HLB Management

Fabrício Eustáquio Lanza, research coordinator at Brazil’s Cambuhy Agricola, recently told how his company has kept HLB at low and economically acceptable incidence levels. His presentation at the recent International Research Conference on HLB was based on a report he co-authored with Alexandre Tachibana, Ivan Brandimarte, Antonio Juliano Ayres and Renato Beozzo Bassanezi. The report follows: MANAGEMENT MEASURES Huanglongbing (HLB), …

planting

Determining Planting Density

Daniel Cooper Economics, planting

As growers grapple with planting new blocks in the HLB era, there has been considerable discussion about planting densities to optimize growth and yield. John Chater, assistant professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been working with growers in evaluating new varieties and rootstocks as trees are planted. TRENDING HIGHER …

Citrus Congress

Fundecitrus Participates in Australian Citrus Congress

Daniel Cooper Events, International

General Manager Juliano Ayres and researcher Franklin Behlau of Brazil’s Fundecitrus participated in the recent Australian Citrus Congress. Attendees discussed the impacts caused by citrus greening in affected countries like Brazil and worked to establish strategies for preventing and detecting the disease in Australia. During the event, Behlau gave a lecture at the Citrus Australia Biosafety Symposium and provided an …

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 …

growing

Growing Citrus With Soil Health in Mind

Daniel Cooper Cover Crops, Georgia, Soil Health

Herb Young enjoyed a 40-year career in the agricultural chemical industry, starting as a technical service representative and eventually becoming a product manager. During those years, he worked on various specialty crops across the country. About 25 years of his career was spent in field research roles. So, experimentation with crops and growing practices comes naturally to Young. He has …

online

Find UF/IFAS Citrus Resources Online

Daniel Cooper Education, Tip of the Week

By Michael E. Rogers Were you unable to attend a recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) event and want to hear what you missed? Many past presentations are available online. The UF/IFAS Citrus Research Website archives presentations made by UF/IFAS faculty at various meetings across the state. These can be found by scrolling down and …

Zambon

All In For Citrus Podcast: Meet Flavia Zambon

Daniel Cooper All In For Citrus Podcast

Last year, Flavia Zambon was named University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor of production horticulture of citrus and other tree crops. She is based at the Indian River Research and Education Center (IRREC) in Fort Pierce. In the February episode of All In For Citrus, Zambon discussed her new position and how she plans …

lennon

Surviving to Fight Another Day

Daniel Cooper Florida, HLB Management

Bill Lennon is working with researchers to learn more about survivor trees that are standing up to HLB. Bill Lennon is a fifth-generation citrus grower who can recall the industry’s glory days when Central Florida had hundreds of thousands of citrus acres before the 1980s freezes pushed production southward in the state. But he’s remained dedicated to the area, managing …

cold hardiness

Factors Influencing Cold Hardiness of Citrus

Daniel Cooper Cold Hardy, Georgia

Jake Price, University of Georgia county Extension coordinator, recently reported on the factors that influence cold hardiness of citrus. Excerpts follow: VARIETY The most obvious factor is the variety of citrus. In order of cold hardiness, the three main classes of citrus are mandarins, sweet oranges and grapefruit. Acid types of citrus such as lemons and limes are the least …

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 …

CRAFT program

Update on Florida’s CRAFT Program

Daniel Cooper CRAFT, Florida Department of Citrus

Florida’s Citrus Research and Field Trial (CRAFT) board of directors recently approved a slate of Cycle 5 solid set Program for Expedited Propagation (PEP) projects following recommendations from the Technical Working Group. Eleven projects totaling 455 acres were approved. Projects will focus on comparisons of five scions (Parson Brown, Roble, Carney 2, Carney 3 and Donaldson) on the same rootstock. …

CRDF Off to a Busy Start in 2024

Tacy Callies CRDF, HLB Management, Pest Management

The Citrus Research and Development Foundation (CRDF) kicked off the new year with a full agenda for its monthly board meeting. New members were welcomed to the board. Growers Matt Machata, Sarah Spinosa and Trevor Murphy joined the group. On the research front, the board funded continued work by Ping Duan, a plant pathologist with the U.S. Department of Agriculture. …

Sneak Peek: February 2024 Citrus Industry

Tacy Callies HLB Management, Sneak Peek

The February issue of Citrus Industry magazine takes a look at efforts to combat HLB. Some strategies are already available for growers to implement in their groves, while others offer hope for long-term solutions. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently launched a new Crop Transformation Center. The goal of the center is to use …

Taking Available Tools to the Grove

Tacy Callies HLB Management

The quest for long-term solutions to HLB is well underway. Technology like CRISPR is being developed to introduce tolerance or resistance to HLB. Conventional breeding also is seeking rootstocks and varieties that can resist the disease. In the meantime, growers are reminded to utilize available tools that help trees remain productive in an HLB environment. During the August Citrus & …

Florida Citrus Industry Survey Reflects Industry Optimism

Tacy Callies Florida, Survey

By Frank Giles Last year’s citrus season was marred by continuing production declines from HLB and hurricanes. The combined effect of both dropped the final all-orange output to 15.8 million boxes. Certainly, the numbers reflected the dire situation the industry found itself in after the storms. But after last year’s harvest, growers were given clearance to utilize new trunk-injection therapies …

Updates on FDOC Research Projects

Tacy Callies Florida Citrus Commission, Florida Department of Citrus, Research

Florida Citrus Commission (FCC) members on Jan. 17 heard an update on one recent Florida Department of Citrus (FDOC) scientific research project and learned about some future research plans. Rosa Walsh, FDOC director of scientific research, presented the information. PROGRAM FOR EXPEDITED PROPAGATIONWalsh reported that the 2022–23 Program for Expedited Propagation of HLB Tolerant and Resistant Trees was successful. She …

CITRUS NURSERY SOURCE: Seeds Aplenty

Tacy Callies Citrus Nursery Source

By Peter Chaires Beginning this month, Citrus Nursery Source (CNS) transitions to Citrus Industry magazine after 14 years in Florida Grower magazine. For those unfamiliar with this column, CNS covers citrus industry issues that are of potential interest to nurseries and the growers they serve. Recognizing that it is difficult for nursery owners and staff to regularly attend meetings, this …

HLB-Affected Trees Use Less Water

Tacy Callies HLB Management, Irrigation, Tip of the Week

By Davie Kadyampakeni  Huanglongbing (HLB) is a citrus disease that affects the growth of the fibrous roots of citrus trees. This means that HLB-affected trees may have reduced root volume, which impacts water uptake. A greenhouse study was conducted from October 2019 to July 2021 at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and …

Taking a ‘Long Shot’ at HLB-Tolerant Grapefruit

Tacy Callies Citrus, Grapefruit, HLB Management, Research

A U.S. Department of Agriculture (USDA) scientist and his team are hopeful that some so-called “long-shot” varieties will pay off in the effort to find HLB-tolerant grapefruit. Matthew Mattia of the USDA Agricultural Research Services (ARS) U.S. Horticultural Research Laboratory in Fort Pierce, Florida, found the varieties at the A.H. Whitmore Foundation Farm in Groveland, Florida. The varieties are Florida …