genetic

Improving Citrus Using Genetic Tools

Daniel CooperBreeding

By Manjul Dutt Editor’s Note: This is the first in a series of two articles on plant improvement. Next month will feature the timeline for CRISPR-developed trees. Traditional methods for improving citrus, such as crossbreeding different varieties, can be time-consuming due to the creation of a random mix of genes from both parents through a process called genetic introgression, leading …

HLB management

HLB Management Requires an Integrated Approach

Daniel CooperCitrus Expo, HLB Management

At the recent Citrus & Specialty Crop Expo, Ozgur Batuman reminded seminar attendees there is no silver bullet for HLB management. Instead, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher proposes that growers integrate several tools for the management of HLB. These tools include a variety of ways to control HLB-spreading psyllids; oxytetracycline (OTC) trunk injection; …

October

Sneak Peek: October 2025 Citrus Industry

Daniel CooperSneak Peek

Breeding efforts to develop citrus trees resistant to HLB are well underway. But how long does the process take before trees are available to growers? Manjul Dutt, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, addresses this question and more in the Citrus Industry section of the October issue of Specialty Crop Grower magazine. His article …

crop forecast

First Citrus Crop Forecast of the Season Is Oct. 9

Daniel CooperCrop Forecast

After low yields in recent years due to hurricanes and HLB, Florida citrus growers are eager to see what the crop forecast will look like for the 2025–26 season. There is some optimism that the cumulative effects of oxytetracycline trunk-injection treatments may improve production this season. Growers will learn what the initial 2025–26 forecast is when the U.S. Department of …

policy

How To Determine if the Actual Production History Policy Will Be Beneficial

Daniel CooperInsurance, Tip of the Week

By Ariel Singerman Between the 2021–22 and 2023–24 citrus seasons, Florida orange growers were more likely to receive indemnity payments under the Actual Production History (APH) crop insurance policy compared to the Dollar Amount policy. Moreover, when indemnities were paid, the APH policy provided a higher average payout. This raises the question: Will APH continue to be advantageous for Florida orange …

incidence

Citrus Greening Incidence Increasing in Brazil

Daniel CooperBrazil, HLB Management

Fundecitrus’ annual survey of citrus greening incidence shows that in 2025 the disease affected 47.63% of orange trees in the Citrus Belt of São Paulo and the Triângulo/Southwest Minas Gerais region. This represents a 7.4% increase compared to 2024, when the incidence was 44.35%. SLOWER RATE OF INCREASE However, for the second consecutive year, a slowdown in the rate of …

Citrus Achievement Award

Grower Recognizes Citrus Achievement Award Winner

Daniel CooperAwards

Editor’s note: This is the first installment of four articles honoring Ben Albritton, the 2025 Citrus Achievement Award winner. With the 2024–25 citrus season complete, growers are now turning their attention to the coming year. That comes with a new sense of optimism as HLB therapies appear to be improving overall tree health and turning quality and production numbers in …

Blue Goose

PIECES OF THE PAST: True Blue Goose

Daniel CooperPieces of the Past

By Brenda Eubanks Burnette James S. Crutchfield came into the world on a summer day — July 3, 1874 — in the small farming town of Goshen, Kentucky. His folks, Albert and Hatta, worked the land, and that country know-how ran deep in Crutchfield from the start. He got his schooling in Louisville, then set his sights on Florida in …

weeds

The Relationship Between Snails and Weeds Needs Research

Daniel CooperPests, weeds

The preference of Bulimulus bonariensis snails to feed on weeds in citrus groves does not necessarily imply that increased weed management will lead to a reduction in pest populations. This relationship requires further research by Lauren Diepenbrock, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor and entomologist. “It’s something I think we really need to look …

podcast

All In For Citrus Podcast, September 2025

Daniel CooperAll In For Citrus Podcast

Varieties and rootstocks are the topics of the September episode of the All In For Citrus podcast. Earlier this month, a field day was held in Jason Griffin’s grove near Lake Alfred, Florida. He is collaborating with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to evaluate several rootstock/scion combinations developed by UF/IFAS citrus breeders. Griffin has …

brown rot

Putting Down Brown Rot

Daniel CooperDiseases, Tip of the Week

By Megan Dewdney Sometimes there is an unfortunate coincidence between the timing of fruit changing color and rain events. This can set up a situation where brown rot occurs unexpectedly and growers need to stop the disease after it has begun. CONTROL OPTIONS By this time of year, the traditional brown rot control measures are less effective. These are primarily …

snail management

Tools Available for Bulimulus Snail Management

Daniel CooperCitrus Expo, Pests

“Bulimulus snail management is an ongoing challenge, but we have some tools to help!” researcher Lauren Diepenbrock stated in her recent Citrus & Specialty Crop Expo presentation. CHALLENGES Diepenbrock, associate professor of entomology at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center, reported that not every Florida grove is infested with the snails. …

replanting

Replanting Is the Next Chapter for Florida Citrus

Daniel CooperFlorida Department of Citrus

By Marisa L. Zansler Two decades of decline has resulted in a loss of nearly 2 out of every 3 acres since 2004. That is a sobering statistic, and it captures the harsh reality of Florida’s iconic citrus industry. The symbol of the state’s agricultural strength has endured a prolonged period of decline driven by the impacts from the spread …

Georgia

Determining the Best Satsumas for Georgia

Daniel CooperGeorgia, Varieties

A University of Georgia College of Agricultural & Environmental Sciences (UGA CAES) publicationevaluates 12 early-maturing satsuma varieties and compares them to Owari to determine which ones may be best suited for Georgia. While Owari — harvestable late October through mid-November — is the most popular variety grown in Georgia, growers have an increasing interest in earlier-maturing citrus. The early-maturing varieties …

phytophthora

Proper Site Selection Essential for Phytophthora Prevention

Daniel CooperCold Hardy, Diseases

Vulnerability of citrus trees to phytophthora root rot is a concern for cold-hardy growers. But there are precautions that producers can implement that will guard against infection buildup. One of those precautions includes site selection and not planting trees in poorly drained locations, according to Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist. “Site prep is really …

director

New Florida Farm Service Agency Director Focused on Grower Engagement

Daniel CooperAgriculture

Earlier this summer, the Trump administration appointed Marcinda Kester to serve as the state executive director of the U.S. Department of Agriculture (USDA) Farm Service Agency (FSA) in Florida and the U.S. Virgin Islands. Kester has worked for FSA for 33 years and most recently served as the FSA county executive director for Florida’s Polk, Hillsborough and Pinellas counties. Prior …

UF/IFAS

UF/IFAS Hosts Citrus Packinghouse Day

Daniel CooperAwards, Events, Packing

The 64th annual Citrus Packinghouse Day was held in early September at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. The event drew fresh fruit growers and packers from various parts of Florida. Presentations were given on shipping regulations, new varieties and citrus under protective screen (CUPS). Fresh fruit, …

future

A Bright Future and New Normal for Citrus

Daniel CooperCitrus Expo

Citrus has a brighter future in Florida and surrounding areas, according to one industry expert. Hopefully, there will be enough farmers left standing to profit from it. Rick Dantzler, Citrus Research and Development Foundation chief operating officer, was a featured speaker at this year’s Citrus & Specialty Crop Expo. He spoke about the industry’s future as it continues to navigate …

Greasy Green

Greasy Green and Its Management

Daniel CooperCitrus Expo, Diseases

A citrus disorder called greasy green has plagued Florida grapefruit producers for several years, causing a significant reduction in profits. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Associate Professor and Extension Specialist Megan Dewdney discussed the disorder and its management at the Citrus & Specialty Crop Expo in August. Dewdney works at the UF/IFAS Citrus Research and …

pre-harvest

Pre-Harvest Clues for Better Citrus

Daniel CooperIndian River, Tip of the Week, Varieties

By Flavia Zambon and Mac Hossain The Millennium Block is located at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC). It is designed to support long-term citrus trials under real-world growing conditions, including HLB pressure, but without oxytetracycline injections. Currently, the block has 19 distinct grapefruit and pummelo scions in …