Why Florida Citrus Will Survive HLB

Kelsey FryCitrus

Speaking at the Citrus Growers’ Institute in Avon Park on Tuesday, University of Florida genetics researcher Fred Gmitter asked the question, “Will Florida’s citrus industry survive HLB?” In an interview after his presentation, he gave several reasons why he thinks the citrus industry will not only survive HLB, but thrive. Sponsored ContentTake Advantage of Rising Temperatures to Treat for Fire …

Citrus Grower Practices and HLB – What Works?

Kelsey FryCitrus

The Citrus Research and Development Foundation (CRDF) over the next year will try to find a method of determining what individual citrus grower practices have been successful against HLB, CRDF Chief Operations Officer Harold Browning reports. Download Audio

Genetic Transformation of Citrus: Timelines and Progress

Tacy CalliesBreeding, Citrus Expo

Researcher Manjul Dutt told a Citrus & Specialty Crop Expo audience in August why it can take up to 14 years to get a genetically modified citrus tree from discovery to commercial release. He also discussed the transgenic citrus progress at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), where he is an assistant professor at the …

Bamboo May Offer Alternative to Citrus in Florida

Tacy CalliesAlternative Crops

With a global market valued at nearly $67 billion, bamboo may offer an alternative crop for Florida citrus growers whose groves have been devastated by HLB.   “Bamboo is a good alternative crop to diversify beyond citrus,” said Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC). “The …

new varieties

Emerging Varieties Program Offers Opportunities for Growers

Tacy CalliesCRAFT, Varieties

There has been high interest in the Citrus Research and Field Trial (CRAFT) Foundation programs recently as a new cycle of applications has been bolstered by record funding of more than $100 million from the Florida Legislature. This includes the introduction of a new CRAFT program called the Emerging Varieties Program. It will provide citrus growers with a $40 per …

Factors That Influence Juice Quality

Tacy CalliesNutrition, Orange Juice, Tip of the Week

By Tripti Vashisth, Johann Hiller and Taylor Livingston Poor fruit quality has long been a significant hurdle for sweet orange growers in the HLB era. With high fruit drop rates and challenges in harvest management, many growers find themselves picking fruit earlier than ideal, resulting in subpar Brix levels. To effectively improve the Brix of the fruit, it is essential …

Survey Shows Oxytetracycline Use and Benefits

Tacy CalliesCitrus Expo, HLB Management, Survey

A 2024 survey showed that most Florida citrus growers used oxytetracycline (OTC) trunk injection on most of their acres, resulting in improved yield and reduced fruit drop. Tara Wade, associate professor at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center, presented survey results at the recent Citrus & Specialty Crop Expo. OTC …

Sneak Peek: September 2025 Citrus Industry

Daniel CooperSneak Peek

The September issue of Specialty Crop Grower features an article on the Citrus & Specialty Crop Expo’s extensive educational program. Read highlights of what growers learned over the two-day Tampa event and hear more in the August episode of the All In For Citrus podcast. The Citrus Industry section of the magazine begins with an article detailing two big announcements …

craft

CRAFT Informational Meetings Draw Big Interest

Daniel CooperCRAFT, planting

With a record amount of funding from the Florida Legislature, the Citrus Research and Field Trial (CRAFT) Foundation hosted a road show in early September that included stops in Fort Pierce, Lake Placid and Lake Alfred to provide information about grower programs. All three stops were well attended by growers interested in learning about the latest cycle of funding. With …

fruit quality

Oxytetracycline Aids Fruit Quality for Some Scions

Daniel CooperCitrus Expo, HLB Management

A presenter at the recent Citrus & Specialty Crop Expo said oxytetracycline (OTC) trunk injections improved fruit quality in several citrus scions that were studied. The presenter was John Chater, assistant professor and citrus genetic improvement horticulturist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. Chater opened his presentation with these …

citrus acreage

Florida Citrus Acreage Down but New Plantings Up

Daniel CooperAcreage, Florida

Florida’s annual Commercial Citrus Inventory Preliminary Report, released Aug. 29, shows total citrus acreage is 208,183 acres. This is a 24% decrease from last year. The net loss of 66,522 acres is the second most reported in a Commercial Citrus Inventory in the past 25 years. It trails only the 127,182 acres reported lost in 2006, the year after the …

OTC

Citrus Industry Leader Has High Hopes for OTC

Daniel CooperCitrus Expo, HLB Management

Rick Dantzler, Citrus Research and Development Foundation chief operating officer, provided hope for citrus growers during the recent Citrus & Specialty Crop Expo. He believes citrus greening disease could soon be a thing of the past. But to get growers to that “tree of the future,” they need short-term solutions to overcome the devastating disease. Dantzler continues to tout trunk …

Expo

Expo Delivers Research Updates and Practical Tools for Growers

Daniel CooperCitrus Expo, Tip of the Week

By Michael E. Rogers The 2025 Citrus & Specialty Crop Expo took place Aug. 20–21 at the Florida State Fairgrounds in Tampa. The event brought growers, researchers and industry professionals together for two full days of education and discussion. This year’s program featured what may have been a record number of University of Florida Institute of Food and Agricultural Sciences …

citrus greening

Citrus Greening Quarantine Expanded in California

Daniel CooperCalifornia Corner, Diseases, Regulation

Federal and state agriculture officials have expanded the quarantine for citrus greening in the Perris area of Riverside County in California by 33 square miles. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the California Department of Food and Agriculture (CDFA) expanded the quarantine. The measure parallels the intrastate quarantine that CDFA established …

solutions

New, Faster Solutions Needed for Citrus Survival

Daniel CooperBreeding, Citrus Expo, HLB Management

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have made significant progress in finding ways to manage citrus greening disease. But solutions needs to be expedited for the sake of the citrus industry’s future in Florida. Scott Angle, UF/IFAS senior vice president for agriculture and natural resources, emphasized that point during last week’s Citrus & Specialty Crop …

Citrus Sustainability

The Five Rs of Citrus Sustainability

Daniel CooperCitrus Expo, Irrigation, Nutrition

One of the themes that emerged during the citrus seminars at the Citrus & Specialty Crop Expo was that integration of multiple strategies is needed to keep HLB-infected trees productive. Davie Kadyampakeni’s talk detailed the five Rs of sustainable citrus production in the era of HLB. Kadyampakeni is an associate professor at the University of Florida Institute of Food and …

plot

Florida CUPS: From a Small Plot of Potted Plants to 1,500 Acres

Daniel CooperCUPS

When University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Professor Arnold Schumann started a citrus under protective screen (CUPS) plot in Florida in 2014, the grapefruit trees were in above-ground pots. The plot at the Citrus Research and Education Center was on 1.33 acres that included 1 acre of planted citrus. After five years, the grapefruit trees on …

budding

Budding Arrival in Brazil Raises Citrus Greening Concern

Daniel CooperBrazil, Citrus Greening

According to Fundecitrus, the arrival of budding in orange groves marks a critical period for Brazilian citrus growers. The budding process intensifies with the onset of rain, requiring more rigorous control of the psyllid that feeds on buds and transmits the bacteria that causes citrus greening. The budding period, which runs from July to October in Brazil, accounts for between …

gene

Gene-Edited Citrus Comes Closer to Commercial Realization

Daniel CooperBreeding, Research

In 2012, Jennifer Doudna, Emmanuelle Charpentier and their research team published a paper in the journal Science describing the CRISPR-Cas9 system as a precise gene-editing tool. It was considered a major scientific breakthrough with huge possibilities in human medicine and in agriculture. Doudna and Charpentier were awarded the Noble Peace Prize in chemistry in 2020 for their pioneering work with …

sweet spot

CUPS: Sweet Spot, AI Tool and Spraying

Daniel CooperCUPS

Researcher Arnold Schumann recently discussed much about citrus under protective screen (CUPS), including the ‘sweet spot’ size for a structure, an artificial intelligence (AI) tool for gathering information, and pest spraying tips. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor has learned much from a CUPS facility he initiated in 2014 and from commercial CUPS growers. …