IPCs

IPCs Provide Citrus Trees a ‘Fighting Chance’

Daniel CooperCRDF, IPCs

Citrus Research and Development Foundation President Morgan McKenna Porter said individual protective covers (IPCs) give newly planted trees a “fighting chance” against huanglongbing (HLB) and serve as a bridge until HLB-resistant trees are available. “IPCs are not flawless, but they certainly can be optimized,” Porter said. “I have the ability to plant a young tree and put an IPC over …

weeds

The Harm Weeds Do

Daniel Cooperweeds

Before HLB, canker and diaprepes root weevils became major problems for Florida citrus growers, weeds were among the constant and major annoyances in groves. Even with the pests and diseases growers have faced over the past five decades, the need for weed control may be as important, and costly, as ever. A University of Florida Institute of Food and Agricultural …

varieties

CITRUS NURSERY SOURCE: Expanding Availability of Fresh Fruit Varieties

Daniel CooperCitrus Nursery Source, Varieties

By Peter Chaires Beginning in 2013, New Varieties Development & Management Corp. (NVDMC) worked in tandem with the University of Florida Institute of Food and Agricultural Science (UF/IFAS) Citrus Research and Education Center Plant Improvement Team (then Jude Grosser, Fred Gmitter and Bill Castle) and Florida Foundation Seed Producers Inc. to make newly identified fresh market citrus varieties available for …

fire ant

Fire Ant Management

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock Red imported fire ants (Solenopsis invicta), commonly referred to as fire ants, are found throughout Florida. This pest infests a broad range of habitats, including urban regions, natural areas and production fields. In citrus, there are a range of impacts from this pest — from human health to both direct and indirect tree impacts. From a human …

harvest

Alico Conducts Last Major Citrus Harvest

Daniel CooperHarvesting

Florida landowner Alico, Inc. announced May 13 that it completed its last major citrus harvest in April. The company will conduct a final harvest on the majority of its 3,783 acres of remaining operational citrus groves in fiscal year 2026. Alico has negotiated agreements to lease another 5,250 acres of different groves to third-party citrus growers next season. Earlier this …

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 …

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 …

emerging

FFVA Seeks Emerging Leaders

Daniel CooperEducation

The Florida Fruit & Vegetable Association (FFVA) is seeking up-and-coming leaders who want to be more involved in FFVA to apply for participation in the FFVA Emerging Leader Development Program. Applications are due by June 13. Applicants should fill out the application form and the written agreement form and send them to Sonia.Tighe@ffva.com. Launched in 2011, the yearlong leadership program …

HLB

Georgia Student Honored for HLB Research

Daniel CooperAwards, Georgia, HLB Management

Carlton Collins recently was named top master’s researcher in the E. Broadus Browne Research Awards for Outstanding Graduate Student Research competition at the University of Georgia (UGA) College of Agricultural and Environmental Sciences. He was recognized for his research on huanglongbing (HLB) disease, also known as citrus greening. Collins, born in Jamaica, was introduced to citrus production on a small …

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 …

spinach

Spinach Peptides Provide Defense Against HLB

Daniel CooperHLB Management

Texas A&M AgriLife Research scientists have developed an approach to countering the citrus disease HLB as well as zebra chip disease in potatoes and other vegetables. Their method uses spinach antimicrobial peptides, known as defensins, which naturally defend plants against a broad range of pathogens. Their study results were recently published in the Plant Biotechnology Journal. The effects show significant …

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 …

pest

CUPS: Pest Monitoring and Management

Daniel CooperCUPS, Pests, Tip of the Week

By Jawwad A. Qureshi Several insect pests and mites colonize citrus crops in traditional open orchards. Most pests are localized and are suppressed by predators, parasitoids and entomopathogens to levels that are not economically damaging to the crops. The Asian citrus psyllid (ACP) is the primary vector of huanglongbing (HLB) disease. Despite biological and chemical control of ACP, growing a …

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, …

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 …

mites

Management of Mites for Fresh Market Citrus

Daniel CooperCold Hardy, Pests

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Associate Professor Xavier Martini recently wrote an article In the Cold Hardy Citrus Connection about management of mites for fresh market citrus. Martini is an entomologist at the North Florida Research and Education Center. An edited version of his article follows.  Two types of mites mainly affect citrus production in …

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 …

dry

Citrus Water Needs Critical Amid Dry Period

Daniel CooperIrrigation, Weather

The current dry period in the Southeast can negatively impact the region’s citrus groves. Trees in the cold-hardy citrus region of North Florida, South Georgia and South Alabama need water, especially ahead of the next harvest season. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, discussed why water is so important this time of year. “Water …

changes

Texas Mexfly Quarantines Altered Again

Daniel CooperPests, Regulation, Texas

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) in April made several changes to Mexican fruit fly (Mexfly) quarantines in Texas. This includes: SULLIVAN CITY The Sullivan City quarantine was expanded by 24 square miles to 79 square miles following detection March 12 of Mexfly larvae in sour orange …

Snail Management

Snail Management Can Be Complex

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock Snail management is becoming a more common discussion in Florida citrus with the arrival of a newer species in the Southeast. The snail of concern is Bulimulus bonariensis, previously referred to as Bulimulus sporadicus (Figure 1). Over the past three years, the first emergence of newly hatched snails was noted in late April through early May. The …