By Peter Chaires Spring is planning season for most Florida citrus organizations. New Varieties Development & Management Corp. (NVDMC) is no exception. The board recently met with all breeding teams to review 2025–26 sponsored projects and establish research priorities for 2026–27. Though some aspects of these projects will be covered in greater depth in future articles, this month’s column is …
Top Fungal Threats Behind Preharvest Fruit Rot
A new study has identified several fungal pathogens associated with preharvest sweet orange fruit spoilage. It provides insights that could help citrus growers better understand and manage fruit rot problems in the grove. The research, “Morphological Identification of Fungi Associated with Preharvest Spoilage of Sweet Orange (Citrus sinensis L.) Fruit in Bilo Nopha, Southwestern Ethiopia,” was published in the journal …
How HLB Research Has Evolved
Huanglongbing (HLB, or citrus greening) disease has been the focus of an enormous amount of scientific research over the past two decades. A new study — “Bibliometric Mapping of Citrus Greening Disease Reflecting Trends, Shifts and Focus Areas” — takes a unique look at that research. It analyzes thousands of scientific publications to identify where scientists have concentrated their efforts …
Benefits of Regularly Drinking OJ Differ by Body Weight
The Florida Department of Citrus (FDOC) reported that a recent study suggests regular orange juice consumption may support heart health while improving blood pressure regulation, lipid metabolism and inflammation. However, benefits can differ from person to person based on body weight. This clinical intervention study examined how drinking orange juice every day affects the body at the molecular level and …
Three Years of OTC Trunk Injection Provide Cumulative Benefits
By Ute Albrecht, Gabriel Pugina and Larissa Nunes According to a recent industry survey, 64% of Florida citrus growers have injected their trees for three consecutive years with oxytetracycline (OTC). This article reports the results from three research trials conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Plant Physiology Team at the Southwest Florida Research …
Orange Juice May Reduce Blood Sugar Spikes
Many people worry that orange juice can raise blood sugar quickly because it contains naturally occurring sugars. However, a new study suggests that 100% orange juice may affect blood sugar differently than sugary drinks that contain the same amount of sugar but lack the natural components found in oranges. A team of researchers in Spain and the United Kingdom compared …
Florida Allocates Almost $200 Million for Citrus Recovery
The Florida Legislature on May 29 approved nearly $196 million as part of the 2026–27 fiscal year budget to accelerate the recovery of Florida’s citrus industry. The expenditure includes $160 million for the Citrus Research and Field Trial (CRAFT) Foundation to expand field trials and support new plantings. It also provides $4.5 million to advance basic research through the Citrus Research and …
Sneak Peek: June 2026 Citrus Industry
The Citrus Industry section of the June 2026 issue of Specialty Crop Grower focuses on leadership and research. On the cover of the magazine is Ned Hancock, winner of the 2026 Citrus Achievement Award. He is being recognized for his decades-long leadership and dedication to serving Florida’s citrus industry. Don’t miss the accompanying video in the digital issue of the …
Could Volcanic Rock Dust Improve Florida Crops and Soil?
Florida’s soils present unique challenges for growers. The soils vary widely from nutrient-poor sandy to highly organic soils, depending on location. These conditions make it difficult to sustainably manage agriculture in a way that supports food production, environmental health and a strong economy. To address these challenges, University of Florida (UF) researchers are leading a four-year study supported by a $749,999 …
How Citrus May Inspire Improved Navy Ships
The grapefruit-like pomelo, the world’s biggest citrus fruit, has a hefty peel that protects the delicate flesh inside. That peel could help inspire more shock-absorbent naval ships. Boston University (BU) College of Engineering researchers are studying the pomelo’s ability to fall from up to 50 feet without smashing into pieces. (Watch the video!) With a U.S. Navy grant, they’re combining …
New Findings on the Effects of Cover Crops in Citrus
Cover crops in orchards are recognized as a sustainable practice that enhances multiple ecosystem services, yet systematic evaluations of different cover crops used in citrus orchards remain limited. A recent study in China investigated the effects of cover crops on soil properties, soil carbon dioxide (CO2) flux, leaf physiological traits, fruit quality and yield in a citrus orchard, using clean …
New 2,4-D Formulation Can Reduce Citrus Splitting
Researchers have demonstrated how an early application of the plant hormone 2,4-D can significantly reduce fruit cracking (also known as fruit splitting) in citrus crops — a major economic challenge worldwide. The researchers are from the Mediterranean Agroforestry Institute at the Polytechnic University of Valencia and Valencian Institute of Agrarian Research in Spain. Their work complements pioneering studies conducted in …
Texas A&M Research Center Director Named
Kranthi Mandadi will become director of the Texas A&M AgriLife Research and Extension Center at Weslaco on June 1. Mandadi is a Texas A&M AgriLife Research plant pathologist and professor in the Texas A&M Department of Plant Pathology and Microbiology. He has served at the center for more than a decade. Mandadi will oversee the administration of the center and …
Citrus Projects Funded by Plant Protection Act
The U.S. Department of Agriculture (USDA) announced an investment of more than $90 million under Section 7721 of the Plant Protection Act to support 441 projects that will: Of the 441 projects, 421 fall under the Plant Pest and Disease Management and Disaster Prevention Program and 20 support the National Clean Plant Network. USDA will reserve approximately $17.2 million to support rapid …
New UF/IFAS Office To Support Commercialization of Ag Research
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is launching a new office for public-private partnerships and commercialization of its research. The Office of Strategic Partnerships & Innovation will open May 15. It will be the commercial outreach and entrepreneurial development arm of the institute. The main goals of the office will be to support faculty as …
Study Shows How Citrus Volatiles Influence Mood
A recent study shows how citrus volatiles influence mood, highlighting their potential application in functional foods and nutraceutical applications. The introduction to an article in Food Quality and Safety about the study states that mood food refers to foods that enhance mental health. Among these, the widely favored citrus aromas evoke emotions such as pleasure, relaxation and alertness, thereby influencing …
Edible Ink Made From Citrus to Warn of Food Deterioration
A Spanish project is working on the extraction and recovery of orange and mandarin pectin to develop edible inks capable of being printed directly on food. The project also includes the development of a sensor that marks the deterioration of food. Pectin is a soluble natural fiber with gelling properties. The research team focuses on formulating and obtaining inks with …
Recent Research Offers HLB Resistance Insights
Research conducted in China may hold significant implications for the sustainable development of citriculture amid the ongoing global HLB epidemic. The work offers novel insights into vascular immunity and plant defense responses. The article (Single-nucleus transcriptomics reveals the cellular immune responses to Candidatus Liberibacter asiaticus in rough lemon) appeared in the January 2026 issue of Horticulture Research. The authors are …
Eat Citrus; Be Happy
Researchers from Queen’s University Belfast have found that consuming a diet rich in flavonoids such as berries, apples and citrus may help people feel happier and more optimistic over time. The research, co-led by the Harvard T.H. Chan School of Public Health, is one of the first large-scale studies to examine the role of flavonoids in psychological wellbeing. Flavonoids are …
CRDF Board Funds More Research Projects
The Citrus Research and Development Foundation (CRDF) board of directors held a lengthy discussion about the upcoming merger with the Citrus Research and Field Trial (CRAFT) Foundation during its March meeting. Then the board considered research projects and funded four of them. A project by Hailing Jin of the University of California Riverside will test trees in Florida which contain …





























