hlb

HLB Management Different for North Florida Citrus

Daniel Cooper Cold Hardy, HLB Management

Living with huanglongbing (HLB) disease (citrus greening) is a much different process for citrus growers than protecting their crop from it. Growers in the cold-hardy citrus region are currently trying to keep the devastating disease out of their area. Industry experts like Michael Rogers, University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center director, are …

Silicon Being Evaluated for North Florida Citrus

Josh McGill Cold Hardy, Diseases, Nutrition

The element silicon, known to be beneficial to many plants, is being evaluated for advantageous effects on North Florida citrus and blackberries. Horticulturist Muhammad Shahid discussed the benefits of Earth’s second-most-abundant element (after oxygen) during a recent Cold-Tolerant Citrus Production Workshop in Perry, Florida. Shahid is a University of Florida Institute of Food and Agricultural Sciences assistant professor at the …

Fungi Controlling Whiteflies in North Florida

Josh McGill Biologicals, Pests

Entomopathogenic fungi have recently been seen attacking citrus whitefly and cloudywinged whitefly nymphs in North Florida citrus groves. Muhammad Shahid, Mujahid Hussain and Danielle Sprague, all with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), wrote about the “friendly” fungi in the October UF/IFAS Cold Hardy Citrus Connection newsletter. Shahid is a horticulturalist and Hussain is a …

citrus greening

Citrus Greening Inevitable for North Florida, South Georgia

Tacy Callies Citrus Greening

It’s not a question of if citrus greening disease will be an issue for North Florida and South Georgia citrus growers, but when will it be. Fred Gmitter, a University of Florida Institute of Food and Agricultural Sciences citrus breeder, believes the disease’s impact in both areas is inevitable. He shared his assessment during a recent Cold Tolerant Citrus Production …

Citrus Acreage Increasing in North Florida, South Georgia

Tacy Callies Acreage

Interest in citrus continues to spike in North Florida and South Georgia. Georgia acreage has doubled over the past year. North Florida acreage has increased by another 300 to 400 this spring, says grower Kim Jones. He owns a citrus packing facility in Monticello, Florida, and is president of the Cold Hardy Citrus Association. “We’re seeing a whole lot of …

How to Stay HLB-Free in North Florida Groves

Tacy Callies HLB Management

As temperatures increase across Florida, so does the risk for huanglongbing (HLB) disease, known as citrus greening. While the southern and central portions of the state remain vulnerable to HLB and Asian citrus psyllids (ACP) that spread the disease, growers in North Florida and South Georgia have so far been spared. But Xavier Martini, University of Florida entomologist at the …

Nutrition Basics for North Florida Citrus Growers

Ernie Neff Nutrition

An article in the January Cold Hardy Citrus Connection newsletter offered basic nutrition management information for North Florida growers. It was written by Lisa Strange with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Taylor County Extension and Clay Olson, UF/IFAS Extension faculty, emeritus. A grower’s first nutrient management consideration is to have a soil test, the …

Marketing North Florida Citrus

Ernie Neff Marketing

North Florida growers have planted several citrus groves in recent years. “A lot of those groves are starting to become productive,” Kevin Athearn said during a Sept. 23 Cold Hardy Citrus Association annual meeting, held virtually. Athearn, a regional specialized Extension agent, familiarized new citrus growers with some citrus terminology and suggested possible marketing strategies. “It’s important that we all …

HLB Update for North Florida, South Georgia

Ernie Neff Citrus Greening

Since 2018, there have been no huanglongbing (HLB) finds in commercial citrus groves in North Florida, and there have still been no disease detections in Georgia groves. In North Florida, HLB was detected in groves in Live Oak in Suwanee County and Perry in Taylor County in 2018, reported Xavier Martini, a University of Florida Institute of Food and Agricultural …

North Florida Meeting Addresses Citrus Production Practices

Tacy Callies Production

By Clint Thompson Citrus was the focus of an annual meeting held in Quincy, Florida, on March 12. Growers from Florida and Georgia converged at the North Florida Research and Education Center to learn about various citrus management practices for the region. GROWER-GUIDED AGENDA Danielle Sprague, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension agent in Jefferson …

Cold-Hardy Citrus for North Florida

Tacy Callies Varieties

By Xavier Martini and Peter Andersen Cold-hardy citrus has a long history in North Florida, Alabama, Louisiana and Georgia. Records show that sweet orange, citron, lemon, lime and pummelo were brought to Saint Augustine, Florida, from Spain in 1565. However, it was not until the late 1700s that the Jesuits introduced satsuma (Citrus unshiu) to what is now Louisiana. SATSUMA …

New HLB Find Is Likely Farthest North in Florida

Ernie Neff HLB Management

What is believed to be the most northern HLB find in Florida was made the first week of November in a backyard Satsuma tree in Tallahassee. A homeowner sent photos of the tree’s symptoms to Leon County Extension horticulture agent Mark Tancig, who collected samples that were confirmed as HLB. “I’ve told the homeowner he should remove it (the tree), …

Citrus Leprosis: a Continuing Threat in Florida and North America

Tacy Callies Diseases

By Richard F. Lee The old-timers called citrus leprosis “nailhead rust.” Prevalent in Florida in the early 1900s, the disease was first called leprosis in the 1920s by H.S. Fawcett. Although the disease was widespread in Florida at one time, it mysteriously disappeared in the mid-1960s. L.C. Knorr [University of Florida/Institute of Food and Agricultural Sciences Citrus Research and Education …

protection

Florida Citrus Part of USDA Plant Protection Funding

Daniel Cooper Florida, Pest Management

The U.S. Department of Agriculture (USDA) is allocating more than $5 million to Florida for plant-health protection. The funding is part of a nationwide effort to strengthen the country’s infrastructure for pest detection, surveillance and mitigation, as well as protect the U.S. nursery system. Through the authority of the Plant Protection Act (PPA) Section 7721, USDA is providing more than …

Northern Hemisphere Citrus Production to Rise

Josh McGill Crop Forecast, International

The World Citrus Organisation (WCO) on Nov. 15 projected that Northern Hemisphere citrus production will hit 28.98 metric tons in 2023. That’s up 12.21% compared to the prior year and 1.48% higher than the four-year average. It also exceeds the WCO’s forecast of 24.35 million tons for the Southern Hemisphere. Oranges are forecast to account for 50% of Northern Hemisphere …

Citrus Label Tour in Central Florida

Josh McGill Florida, History

The Citrus Label Tour, comprised of 81 signs in Florida, has been established to educate the public about the history of the citrus industry through citrus crate labels. The tour is a partnership of the Florida Citrus Hall of Fame, Polk History Center and Visit Central Florida. The tour is now in four counties — Polk, Indian River, Lake and …

Silicon Could Benefit Florida Citrus

Josh McGill Nutrition, Production

There has been much focus on the benefits of applications of plant growth regulators like gibberellic acid and 2,4-D, and more recently oxytetracycline hydrochloride to improve the health of citrus trees infected with HLB. Silicon also has been highlighted for its potential benefits to citrus. Mohammad Adnan Shahid, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, …

The Florida Citrus Industry After the 2022 Hurricanes

Josh McGill Economics, hurricane

By Tom Spreen To proclaim that 2022 was a difficult year for the Florida citrus industry would be an understatement. In late January, a short freeze hit much of the commercial citrus-producing area with long-term implications. While its effect on the 2021–22 crop was small, it came as the 2022–23 bloom was about to begin after a warm December. It …

Florida Citrus Still an Economic Force

Josh McGill All In For Citrus Podcast, Economics

While the Florida citrus industry has seen its fair share of challenges from HLB and recent hurricanes, the industry still swings a big stick according to research conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The study, The 2020-21 Economic Contributions of the Florida Citrus Industry, was released in February. Christa Court, UF/IFAS economist and …