tree

Bridging the Gap to the Tree of the Future

Daniel CooperEvents, HLB Management

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar on May 14. The speakers provided updates on developing a gene-edited citrus tree with resistance to HLB and how growers can use existing tools to mitigate the disease. Nian Wang, UF/IFAS professor, provided an update on the status of …

navel

California Navel Production Costs Soar

Daniel CooperCalifornia Corner, Economics

It costs $4,215 per acre to grow navel oranges in California in 2025, California Citrus Mutual (CCM) reported following a recent survey of production costs. That’s up from $3,300 in 2020 (a 35% increase), $2,712 in 2015 (a 75% increase), $2,099 in 2010 (a 125% increase) and $1,555 in 2005 (a 171% increase). Additionally, CCM reported that picking and hauling …

Trunk-Injection

Trunk-Injection Biopesticide for HLB

Daniel CooperHLB Management

Ching-Hong Yang, University of Wisconsin-Milwaukee (UWM) biological sciences professor, was recently awarded a $1.5 million federal grant to support research on a compound that suppresses HLB disease. His project is titled Bringing RejuAgro to Market: Development of a Groundbreaking Trunk Injection Biopesticide for Huanglongbing (HLB). The grant is from the U.S. Department of Agriculture National Institute of Food and Agriculture …

hurricane milton

Citrus Industry Recovery After Hurricane Milton

Daniel Cooperhurricane

By Maegan Beatty In the aftermath of Hurricane Milton, Florida’s citrus industry is slowly working toward recovery. The storm brought damage to groves across key growing regions, raising concerns about long-term impacts on fruit yield and tree health. As recovery efforts continue, Indian River Citrus League Executive Vice President Doug Bournique and University of Florida Institute of Food and Agricultural …

Registration

Registration Now Open for the 2025 Citrus & Specialty Crop Expo

Daniel CooperCitrus, Citrus Expo, Events

Registration is now open for the highly anticipated 2025 Citrus & Specialty Crop Expo. The event takes place Aug. 20–21at the Florida State Fairgrounds in Tampa. Growers and industry professionals are invited to sign up now for complimentary registration to this two-day event filled with education, networking and innovation. Hosted by AgNet Media, the Expo is Florida’s premier event for …

Florida Citrus Forecast Holds Steady

Tacy CalliesAs Seen On Instagram, Crop Forecast

The 2024–25 citrus forecast released on May 12 by the U.S. Department of Agriculture shows little change from the April forecast. ORANGESThe Florida all-orange forecast, at 11.63 million boxes, is up less than 1% from last month. If realized, this will be 36% less than last season’s final production. The forecast consists of 4.58 million boxes of non-Valencia oranges (early, …

oj

New Insights Into OJ Demand

Daniel CooperEconomics, Florida Department of Citrus, Orange Juice

By Marisa L. Zansler One-hundred percent orange juice (OJ) has long been a favorite in American households, but supply challenges, changing consumer behaviors, a crowded beverage category and higher prices have impacted how much OJ consumers buy. Recent research conducted by Sungeun Yoon sheds light on consumer price sensitivity and substitution behaviors within the category, offering actionable insights for growers, …

honeymoon phase

Report Citrus Acreage to USDA

Daniel CooperAcreage, Georgia

The executive director of the Georgia Citrus Association recently reminded fellow growers of the importance of reporting their citrus acreage to the U.S. Department of Agriculture (USDA) Farm Service Agency (FSA). “Accurate acreage reporting is more than a box to check. It’s a powerful tool that directly impacts our ability to receive support, shape policy and respond to challenges,” Lindy …

tree of the future

Citrus Tree of the Future Still Years Away

Daniel CooperCRDF, HLB Management

Not surprisingly, the focus of the Citrus Research and Development Foundation (CRDF) centers on providing growers with help to overcome huanglongbing (HLB) disease. CRDF President Morgan McKenna Porter believes that help will best come with the development of the “tree of the future.” She says that tree does not have to be completely resistant to citrus greening. As long as …

greening-resistant

Greening-Resistant Orange Tree Research Progresses

Daniel CooperHLB Management, International, Research

Researchers with the French Agricultural Research Centre for International Development (CIRAD) recently visited Brazil to discuss cooperative efforts with Fundecitrus to develop greening-resistant orange trees. The CIRAD researchers were Raphaël Morillon and Bárbara Hufnagel. CIRAD is an agronomic research and international cooperation organization for the sustainable development of tropical and Mediterranean regions. CIRAD maintains a large citrus genomic database on …

programs

Update on CRAFT Programs

Daniel CooperCRAFT

The Citrus Research and Field Trial (CRAFT) Foundation recently provided an update about its programs: EXPEDITED PROPAGATION The supplemental Program for Expedited Propagation application period closed April 30. Contracts should be issued to the selected projects in May.  EXISTING TREE THERAPY The CRAFT board of directors approved amendments to all Existing Tree Therapy (ETT) Round 1, 2 and 3 contracts …

management

Developing Snail Management Programs in Florida Citrus

Daniel CooperFlorida, Pests, Research

By Lauren Diepenbrock and Nicole Quinn In recent years, a new pest has been added to the ever-evolving scope of pest management in Florida citrus: Bulimulus bonariensis snails. These snails, also referred to as ghost snails or peanut snails, were reported to be clogging irrigation jets in Central Florida in 2020 in limited locations. Now, in 2025, they have spread …

scarring

Pest Scarring Damage Can Differ by Citrus Variety

Daniel CooperCalifornia Corner, Fresh, Pests

A new pictorial guide can help California growers differentiate between the damages caused by the same pest on different citrus varieties. Comparing the Fruit Rind Scarring That Three Early-Season Pests Cause in Mandarin Species and Sweet Orange was published by University of California Agriculture and Natural Resources. Early-season insect pests — such as katydids, earwigs and citrus thrips — feeding …

PGRs

PGRs Can Produce Remarkable Results

Daniel CooperAll In For Citrus Podcast, PGRs

Tripti Vashisth, associate professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been studying the use of plant growth regulators (PGRs) to improve citrus tree health and fruit retention for several years now. Her work has culminated into a systems approach of when to use a particular PGR at a certain time …

rules

Rules and Regulations of Pesticide Use

Daniel CooperCEU, Pesticides

By Alissa Hevesh Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. A minimum score of 70% is required to receive credit. Pesticides are regulated to ensure the safety and well-being of the …

artificial intelligence

CITRUS NURSERY SOURCE: How Artificial Intelligence Applications Could Enhance Nurseries

Daniel CooperCitrus Nursery Source, Technology

By Peter Chairs The University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) commitment to the use and development of artificial intelligence (AI) in production agriculture is fueling conversations throughout the citrus industry. For most of us, AI was not even on our radar a few years ago. Today, commercial and nursery growers are excited about the development of …

biosolids

Biosolids: The Scoop on Processed Poop

Daniel CooperRegulation, Tip of the Week

By William Mitchell, Taylor O’Bannon and Michelle Danyluk Biosolids, sometimes referred to as sewage sludge, are a primarily organic solid product produced by wastewater treatment processes. These organic solids are often used as an inexpensive soil amendment to enhance soil quality. KNOW THE RULES AND RISKS The Food Safety Modernization Act (FSMA) Produce Safety Rule (PSR) prohibits the use of …

Citrus Industry

Book Chronicles Florida Citrus’ Rise, Fall and Future

Daniel CooperEducation, History, Industry News Release

Fifth-generation Floridian David Sumner, who grew up in a citrus family, has written “The Rise, Fall, and Future of Florida’s Citrus Industry.” The 327-page book includes historic citrus photos dating back to the late 1800s. Sumner tells the story of Florida citrus from the end of the Civil War to the present. He visited Florida archives and conducted 53 interviews …

Lakeland

PIECES OF THE PAST: A Lakeland Citrus Story

Daniel CooperPieces of the Past

By Brenda Eubanks Burnette I was recently at the opening of the Lakeland History and Culture Center’s new citrus exhibit called “From the Groves, Lakeland’s Citrus Story,” located in the Lakeland Public Library by Lake Morton. Lakeland was once called the “World’s Citrus Center,” so this exhibit is long overdue. It’s been two years in the making by LuAnn Mims, …

May

Sneak Peek: May 2025 Citrus Industry

Daniel CooperEvents, Pests, Sneak Peek

The May issue of Specialty Crop Grower magazine is where to find the latest Citrus Industry articles. If your grove is in Florida, there’s a good chance ghost snails have haunted your trees and irrigation equipment. An article from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professors Lauren Diepenbrock and Nicole Quinn offers some advice on …