UF/IFAS Researcher To Be Honored As Citrus Engineer of Year

Kelsey FryCitrus, Citrus Greening

GAINESVILLE, Fla. — A University of Florida Institute of Food and Agricultural Sciences researcher who uses steam to help treat citrus trees infected by greening will receive this year’s Citrus Engineer of the Year Award. Reza Ehsani, a UF/IFAS associate professor of agricultural and biological engineering, will receive the award June 21 at the 59th Biennial Citrus Engineering Symposium at …

Plant Pathologist Joins UF/IFAS

Josh McGillCitrus

Plant pathologist joins UF/IFAS to help solve citrus industry issues By: Robin Koestoyo FORT PIERCE, Fla. – A plant pathologist with 12 years of experience in plant-microbe interactions has joined the faculty of the University of Florida Institute of Food and Agricultural Sciences’ Indian River Research and Education Center (IRREC) to help citrus growers. Following an international search for a …

CUPS

Pest Avoidance and Monitoring in CUPS

Daniel CooperCUPS, Pests, Tip of the Week

By Jawwad A. Qureshi Citrus under protective screen (CUPS) is a novel system for large-scale citrus production in screen houses covered with a tightly woven mesh screen on all four sides and the roof. The primary goal of this shift from a traditional open orchard to a CUPS system is to protect citrus crops from huanglongbing (HLB) disease, which is …

trunk injection

How Trunk Injection Is Affecting Psyllid Populations

Daniel CooperEvents, HLB Management, Psyllids

Research and field trials have been fairly consistent in showing that trunk injection of oxytetracycline (OTC) will reduce the HLB-causing bacteria in citrus trees, resulting in improved yield and quality. But what happens to the Asian citrus psyllid (ACP) when it feeds on treated trees? The answer to that question is becoming clearer now from research conducted by the University …

trunk

Trunk-Injection Takeaways Presented

Daniel CooperHLB Management

Researcher Ute Albrecht on April 21 shared lessons learned from three years of oxytetracycline (OTC) trunk injection for HLB management in Florida. Albrecht is an associate professor with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) specializing in citrus plant physiology. She works at the Southwest Florida Research and Education Center. Albrecht reported on results of a …

eggs

Three Bugs That Eat Asian Citrus Psyllid Eggs

Daniel CooperBiologicals, HLB Management, Psyllids

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have found three commercially available insect species that devour the eggs of the HLB-spreading Asian citrus psyllid. These natural predators could become an important new line of defense against the devastating citrus disease. This is particularly true for organic growers who have limited options to control the psyllid, said …

UF-1424

UF-1424 Mandarin Continues to Show Promise

Daniel CooperCold Hardy, Varieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently provided additional information about the UF-1424 mandarin variety previously known as Greenie. “UF Citrus Selection 1424: A Promising Early-Season Mandarin for Cold-Hardy Regions,” an article by Alaiha Asif, Muhammad Shahid, John Chater and Fred Gmitter, appeared in the April Cold Hardy Citrus Connection. FRESH MARKET SUITABILITY UF-1424 is …

research

Research Confirms OTC Improvements in Groves

Daniel CooperEvents, HLB Management

The Florida Citrus Growers’ Institute was held at South Florida College in Avon Park last week to share the latest research from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Besides hearing presentations, attendees had an opportunity to interact one-on-one with scientists at 21 learning stations covering topics like entomology, citrus breeding, weed control and soil nutrition. …

agricultural water

Ask These Questions When Conducting an Agricultural Water Assessment

Daniel CooperRegulation, Tip of the Week, Water

By Michelle Danyluk, William “Billy” Mitchell, Stephanie Brown, Emmy Collins, Keith R. Schneider and Taylor O’Bannon Most citrus growers have been meeting the Food and Drug Administration’s (FDA) Produce Safety Rule (PSR) requirements since 2016. However, changes to this rule in May of 2024 now require growers to have an agricultural water assessment (AgWa) for production (i.e., pre-harvest) water. A …

citrus podcast

All In For Citrus Podcast, April 2026

Daniel CooperAll In For Citrus Podcast, Events

In April, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted its annual Florida Citrus Growers’ Institute in Avon Park. The event is the subject of discussion in the April All In For Citrus podcast episode. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center (CREC), says the Institute is among the big three citrus …

Wedgworth

Wedgworth Leadership Program Now Accepting Nominations

Daniel CooperAgriculture, Education

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Wedgworth Leadership Institute for Agriculture and Natural Resources is soliciting nominations for Class XIII of its two-year leadership development program. The program includes 11 multi-day seminars throughout Florida, the United States and internationally to develop leaders. Class XIII will begin in Gainesville in November. LEADERSHIP GOALS The goal of …

Florida

Florida Citrus Show: A Day of Education and Enjoyment

Daniel CooperEvents, Florida Citrus Show

The Florida Citrus Show marked another successful event in March in Fort Pierce. The show provided attendees with a fun, informative day to learn about citrus and specialty crops while engaging with exhibitors during the tailgate-style trade show. CRAFT UPDATE Citrus Research and Field Trial (CRAFT) programs have been very popular with growers and have incentivized new citrus plantings across …

enemies

Natural Enemies for Integrated Citrus Pest Management

Daniel CooperPests, Tip of the Week

By Jawwad A. Qureshi Natural enemies are the beneficial organisms that control insect and mite pests. Citrus trees produce most of their young shoots (flush) for the year in spring and will continue to produce more in summer and fall. Arthropod activity has already started in citrus groves. For example, overwintering Asian citrus psyllid (ACP) adults have started reproducing. Other …

supplemental

Supplemental Nutrition Mitigates HLB Symptoms in Mandarins

Daniel CooperHLB Management, Mandarins, Nutrition

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research found that supplemental nutrition mitigates HLB symptoms and improves fruit quality and shelf-life of Sugar Belle and Tango mandarins. Faisal Shahzad, Tripti Vashisth, Mark Ritenour and Jeffrey Brecht, all with UF/IFAS, authored an article in the Journal of the American Society for Horticultural Science about the research. The article …

irrigation

Irrigation and Nutrition Critical During Citrus Flush

Daniel CooperAll In For Citrus Podcast, Irrigation, Nutrition

In the March episode of the All In For Citrus podcast, Tripti Vashisth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center assistant director, discusses demands that the recent freeze and ongoing drought have been putting on trees. Both factors heighten the importance of irrigation and fertilization. Vashisth notes the freeze knocked a lot …

Gmitter and Grosser

Gmitter and Grosser Receive Rare Award

Daniel CooperAwards

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeders and geneticists Fred Gmitter and Jude Grosser recently received the rare Citrus Research and Education Center (CREC) Resident Professorship Award. The award has only been bestowed four other times in CREC’s 109-year history. The award recognizes careers that have brought distinction to the CREC through outstanding programs, important …

micronutrient

Micronutrient Management for Improved Citrus Productivity

Daniel CooperNutrition, Tip of the Week

By Davie Kadyampakeni, Alisheikh Atta and Muhammad Shahid Micronutrients are those nutrients not required in large quantities but are important for improved tree performance. In the era of huanglongbing (HLB), micronutrients such as manganese (Mn), zinc (Zn), boron (B), iron (Fe) and copper (Cu) have become very critical for optimal tree management. For example, B is known to help the …

sustainable

Integrated Nutrient Management for Sustainable Citrus Production

Daniel CooperNutrition

By Davie Kadyampakeni, Jonas Pereira de Souza Junior, Edilaine Istéfani Franklin Traspadini, Shankar Shrestha and Alisheikh Atta Integrated nutrient management is critical for improved and sustainable citrus production. Typical practices include split fertilization applications, the use of leguminous cover crops and the incorporation of soil amendments. This article discusses the importance of using novel blends, including macronutrients and micronutrients, as …

April

Sneak Peek: April 2026 Citrus Industry

Daniel CooperEvents, Sneak Peek, Varieties

The Citrus Industry section of the April 2026 issue of Specialty Crop Grower highlights ongoing efforts to strengthen Florida’s citrus sector amid challenges. Articles this month showcase education, nutrient management and variety development. A recap of the Florida Citrus Show details a successful March event in Fort Pierce that combined education with a lively tailgate-style trade show. Growers Daniel Hunt, …

postfreeze

Postfreeze Citrus Recovery Strategies

Daniel Cooperfreeze, Tip of the Week

By Muhammad A. Shahid, KeAndre Leaks, Davie Kadyampakeni and Carlos Aucique-Perez Postfreeze citrus tree management requires patience and careful observation rather than immediate intervention. Damage to the vascular system (cambium, xylem and phloem) may take months to fully appear. Trees can initially flush in spring but later decline if internal tissues are too compromised. A reliable assessment of survival should …