University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) geneticist and plant breeder Jude Grosser discusses the need for new juice oranges and some new cultivar choices. Grosser says one reason for new varieties is the decline in orange juice sales. “In my opinion, the best way to combat that is to have a higher quality orange juice that’s … Read More
New UF/IFAS Citrus Extension Agent
(UF/IFAS) — When you meet Ajia Paolillo, you might think that everything old is new again. That’s because Paolillo, the new University of Florida Institute of Food and Agricultural Sciences Extension (UF/IFAS) citrus agent for DeSoto, Hardee and Manatee counties, leans heavily on the experience of faculty colleagues from previous experiences. “I learned so much working with Stephen Futch, Bill … Read More
Keeping Citrus Greening out of Georgia Groves
By Clint Thompson Citrus greening disease is not yet a problem in Georgia. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, wants to keep it that way. The disease that has impacted citrus production in Florida for more than a decade has only been observed in backyard plantings in Georgia. However, since the state is expected … Read More
PIECES OF THE PAST: Paying Tribute to Pioneers
Recently, I came across an old letter A.F. Camp wrote to John T. Lesley in 1979. I thought it was so interesting that I shared it with the members of the Florida Citrus Hall of Fame Selection Committee. I wanted them to think about how hard things were “back in the day” in considering the contributions of some of the … Read More
Citrus Leprosis Poses a Threat to Florida
By Amit Levy, Ozgur Batuman, Peggy Sieburth and Lauren Diepenbrock Citrus leprosis is an exotic viral disease not currently present in Florida. This disease is of interest since it was reported in citrus in Florida and Brazil in the early 1900s, where it caused great crop and tree losses, but it was eliminated from Florida in the early 1960s. Currently, … Read More
Root Health Update
Evan Johnson, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist at the Citrus Research and Education Center, updates efforts to help citrus tree roots cope with HLB. He starts by noting that around 10 years ago he and former UF/IFAS researcher Jim Graham discovered “that HLB causes severe damage to the root system.” They hoped … Read More
Tim Hurner Receives Recognition
Tim Hurner will be inducted into the Florida Association of County Agricultural Agents (FACAA) Hall of Fame at the annual Extension Professional Associations of Florida meeting in Panama City in September. Hurner served Highlands County as the citrus Extension agent and county director for more than 40 years. He was inducted into the Florida Citrus Hall of Fame in 2019. … Read More
Citrus Day Updates Growers on UC Research
Over 200 people from the citrus industry and University of California (UC) Riverside gathered on Jan. 29 for Citrus Day. Growers and scientists alike were informed about the current status of huanglongbing (HLB) disease and the tiny insect that spreads it, the Asian citrus psyllid (ACP). The consensus of the speakers was that while HLB is a serious threat to … Read More
Keeping Fresh Citrus Safe
Michelle Danyluk describes training that was provided Feb. 11 to help fresh citrus growers comply with the federal Produce Safety Rule. Danyluk is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor and Extension specialist at the Citrus Research and Education Center (CREC). She and several other UF/IFAS faculty conducted the training at the CREC. The Produce … Read More
Florida Citrus Forecast: Grapefruit Up, Oranges Down
The 2019–2020 citrus crop forecast released Feb. 11 by the U.S. Department of Agriculture (USDA) showed changes for Florida orange and grapefruit production levels. ORANGES The February forecast for Florida oranges is 2 million boxes lower than last month’s figures. However, if realized, the Florida all-orange forecast of 72 million boxes will be up slightly from last season’s final production. … Read More
Planning for Foliar Disease Management in 2020
By Megan Dewdney and Evan Johnson In 2019, the trend of fewer problems with foliar fungal diseases for Florida citrus continued, which was good news for the industry. Despite the El Niño conditions during the spring, little postbloom fruit drop (PFD) was observed because the temperatures were low (< 75 F) when it rained during bloom. The southern parts of … Read More
Senate Wants Orange Juice to Flow Again
(NSF) — Travelers might again get a free cup of Florida’s homegrown beverage when they cross the state line, through funding tucked in the Senate’s proposed budget. But helping the Florida Department of Citrus (FDOC) bring back free orange juice could hinge on a bigger debate, as the operations of state welcome centers remain locked in a legislative battle about … Read More
Youth Grow Award-Winning Citrus Trees
The Highlands County Youth Citrus Project is a 4-H program that teaches 8- to 18-year-old students how to successfully grow citrus in Florida. Thirty-four citrus trees (Valencia on C-54 Carpenter) were entered into the program this year. All of the trees were grown in a protective cover and tested by the state of Florida. The orange trees will be on … Read More
Managing Orange Production Costs
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension economist Ariel Singerman discusses a recent article he wrote titled “How Much Can Florida Growers Afford to Spend on Caretaking Processed Orange Groves?” The article addresses the grove management decisions growers must make in the face of recent orange price declines. It points out that an average grower would … Read More
Research Addressing Industrial Hemp Production Challenges
Future growers of industrial hemp in Florida will have the advantage of research being conducted now by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Zach Brym, agronomist at the Tropical Research and Education Center in Homestead and research coordinator of the UF/IFAS Industrial Hemp Pilot Project, summarizes the work being done. “We’ve taken the last couple … Read More
Budget Proposals Brought Into Citrus Legal Fight
(NSF) — Attorneys for Florida Agriculture Commissioner Nikki Fried on Wednesday alerted the Florida Supreme Court that new legislative budget proposals include more than $19 million to address a legal battle over the state cutting down Lee County homeowners’ healthy citrus trees. Fried’s office took the battle to the Supreme Court after the 2nd District Court of Appeal ordered the … Read More
Black Spot Scouting and Control
“The most important time to scout for black spot is when the fruit begin to change color,” said University of Florida Institute of Food and Agricultural Sciences plant pathologist Megan Dewdney. She has seen color change for Valencia oranges, the most commonly infected variety, from December to March. But she added it is usually late-February to early-March when citrus black … Read More
HLB Quarantine Area Expands in California
A quarantine expansion has been declared following the detection of the citrus disease huanglongbing (HLB), or citrus greening, in two residential citrus trees in Colton, California. This is the first time the disease has been confirmed in Colton. This detection came on the heels of the first detection in San Bernardino County in November 2019. The California Department of Food … Read More
Trained Dogs Are the Most Efficient Way to Hunt Citrus Industry’s Biggest Threat
(USDA/ARS) — Dogs specially trained by Agriculture Research Service (ARS) scientists have proven to be the most efficient way to detect huanglongbing— also known as citrus greening — according to a paper just published in the Proceedings of the National Academy of Sciences. Currently, the only solid hope of curtailing the spread of citrus greening is to eliminate trees with the … Read More
Pests in CUPS and IPCs
Citrus under protective screen (CUPS) and young trees covered with individual protective covers (IPCs) have generally been well protected from HLB-spreading Asian citrus psyllids, but not from all other pests. Entomologist Jawwad Qureshi says the psyllids only get to trees when a CUPS structure or IPC is damaged, as happened to CUPS during Hurricane Irma in 2017. “Otherwise they do … Read More