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UF/IFAS Citrus Research

UF/IFAS Citrus Research


For media inquiries, please contact:

Ruth Borger
Communications Specialist
UF/IFAS Citrus Research and Education Center
863-965-8612 office
517-803-7631 cell


Past Press Releases

March 2021

Voices of UF/IFAS: Lorenzo Rossi - 3/23/2021
As the sole plant root biologist at UF/IFAS, my research (80%) and teaching (20%) programs focus on root and rhizosphere ecology, improving root health and growth, primarily on HLB-affected citrus, and leading to the development of environmentally sound and effective citrus management methods.

No shutdowns here: UF/IFAS sets research publication records in 2020 - 3/23/2021
Despite facing a pandemic in 2020, UF/IFAS researchers were markedly productive, reaching new highs in the number of studies published over the calendar year. Altogether, UF/IFAS research posted 2,150 publications in 2020.

National Ag Week is March 21 through March 27, 2021 - 3/22/2021
National Ag Week is celebrated March 21 through 27.

Plant sap analysis in citrus production workshop offered to growers - 3/18/2021
Monitoring the nutrient status of a citrus grove is a critical tool in successful grove management in the citrus greening environment.

2021 Florida Citrus Growers’ Institute goes virtual - 3/17/2021
The annual Florida Citrus Growers’ Institute hosted by the University of Florida Institute of Food and Agricultural Extension county citrus agents will be held on April 6.

University of Florida researchers discover new way to potentially control citrus greening - 3/16/2021
University of Florida researchers have discovered another key resource in their ongoing pursuit to find solutions to fight Huanglongbing (HLB), or citrus greening disease.

February 2021

UF/IFAS boosts AI research to help solve perplexing issues - 2/11/2021
As UF/IFAS joins a university-wide push to increase artificial intelligence research, its faculty will help solve major problems.

University of Florida citrus nutrition consulting program deadline is February 15 - 2/10/2021
Citrus growers interested in participating in the University of Florida Institute of Food and Agricultural Sciences citrus nutrition counseling program should register by February 15, 2021.

UF researchers answer questions about citrus fruit drop at upcoming seminar - 2/2/2021
Citrus fruit dropping before harvest has been a perennial problem for Florida growers but one that is particularly challenging during the 2020-21 growing season.

January 2021

UF scientists study how to breed faster-growing plants - 1/27/2021
More specifically, Christopher Vincent and Fred Gmitter hope to find the optimal relationship between citrus tree “sources” and “sinks” so that plant breeders can select varieties — and growers can use practices — that lead to faster-growing plants.

University of Florida citrus nutrition consulting program to continue; new participants wanted - 1/26/2021
Last year, UF/IFAS scientists offered Florida growers a unique nutritional counseling programming that provided free soil and leaf testing and tailored quarterly nutritional counseling in an effort to improve tree health for local operations.

Citrus growers tour of UF/IFAS Citrus Under Protective Screens Houses - 1/20/2021
Citrus growers from several of Florida’s production regions joined researchers recently for a field day inside 14-foot high screenhouses that protect fruit trees from an invasive insect.

December 2020

Resolutions for 2021 - 12/26/2020
So, it is time for a new year and many of us cannot see 2020 get over fast enough. It is almost time for 2021 and there is a lot to be hopeful for.

Finding Natural Biocontrols for the Asian Citrus Psyllid - 12/22/2020
Scientists have discovered new naturally occurring viruses that may be utilized to control psyllids without the use of potentially environmentally harmful insecticides in the future.

Bactericide Applications for HLB Control - 12/22/2020
In 2017, the U.S. Environmental Protection Agency granted an emergency exemption to Florida citrus growers, allowing them to test bactericide applications.

Finding the Cause of Bark Scaling in Florida Citrus Groves - 12/22/2020
This research has been important in ruling out certain suspected pathogens and is narrowing in on finding the true pathogens involved in this new problem.

Do Propagation Methods Impact Field Performance of Citrus Trees? - 12/22/2020
The endemic presence of HLB has forced growers to rethink many of their management practices.

Improving Citrus Plant Health from the Ground Up - 12/15/2020
At UF/IFAS, we are working on finding solutions for Florida’s citrus growers. This is a summary of one project made possible by state legislative funding for the UF/IFAS Citrus Initiative during the 2018-19 cycle.

Get to know…..Holiday Citrus - 12/11/2020
University of Florida entomologist Lauren Diepenbrock is looking to the future of her research program and needs citrus industry professionals to help her see a clear picture.

UF survey requests citrus grower input to help set research directions - 12/8/2020
University of Florida entomologist Lauren Diepenbrock is looking to the future of her research program and needs citrus industry professionals to help her see a clear picture.

What’s in store for 2021? UF/IFAS experts predict food and garden trends - 12/2/2020
No one could have predicted the kind of year 2020 has been. But in late 2019, when UF/IFAS experts were asked to predict the top food and garden trends for the coming year, they made some startlingly accurate predictions.

Today, these trends are no longer forecasts but facts of life in a year characterized by a global pandemic and a record number of hurricanes and tropical storms.

New webinar series to support citrus growers with production information - 12/2/2020
The University of Florida Institute of Food and Agricultural Sciences Extension citrus program is launching a webinar series of OJ Break meetings free to all Florida citrus growers to provide the latest information on grove production practices and research findings.

Relationship Between HLB and Virulence Factors and/or Plant Signaling Molecules - 12/1/2020
At UF/IFAS, we are working on finding solutions for Florida’s citrus growers. This is a summary of one project made possible by state legislative funding for the UF/IFAS Citrus Initiative during the 2018-19 cycle.

November 2020

UF flower bud advisories resume - 11/24/2020
The University of Florida will resume providing growers regular flower bud advisories as the critical time for citrus grove management begins this winter.

University of Florida citrus faculty highly sought after as research partners in fight against greening - 11/23/2020
University of Florida citrus researchers continue to be sought out as partners in ground-breaking research projects to fight Huanglongbing, also known as citrus greening disease.

Safe food production training to be available to Florida’s small and beginning farmers through new USDA grant - 11/19/2020
A new opportunity for Florida’s small and medium-sized produce farmers will become a reality with the support of a U.S. Department of Agriculture Food Safety Outreach Program (FSOP) grant designed to produce and provide easy-to-access training in safe food production methods to underserved farmers.

October 2020

University of Florida awarded key federal grants to continue fight against citrus greening - 10/22/2020
University of Florida researchers hope to discover new methods to help citrus growers fight the deadly citrus greening (or Huanglongbing) disease with cost effective, long-term sustainable treatments with the support of recently awarded federal grants.

Citrus Advisory System alerts growers so they can stem post-bloom fruit drop - 10/22/2020
Beep. Beep. Beep. That’s the sound of the alert, telling a citrus grower it’s time to spray fungicide to help prevent fruit from falling off the tree.

UF scientists make big stride toward greening-resistant citrus trees - 10/14/2020
University of Florida scientists achieved a major milestone in their quest to develop a citrus greening-resistant tree by sequencing the genome of a fruit plant that’s a close cousin to citrus trees.

September 2020

State investment in scientific research is working - 9/17/2020
Citrus is intrinsically tied to the Floridian experience. We grow more of it than anywhere in the world.

UF researchers receive a multi-million grant to improve food safety in fresh produce - 9/17/2020
Outbreaks of foodborne diseases threaten the daily lives of millions of Americans, resulting in recalls and sometimes loss of life.

Finding Natural Sweetness Enhancers in Citrus That May Lead to Citrus Beverages with Lower Sugar Content - 9/11/2020
U.S. demand for orange juice has dropped in recent years. Many citrus growers believe it is because consumers want to limit their sugar intake, especially from fruit juices. But a new UF/IFAS project indicates science may provide a solution.

UF/IFAS faculty to use $141M in research funding to improve corn, manage citrus greening, suppress mosquito-borne diseases and more - 9/2/2020
Scientists at UF/IFAS are using this year’s allotment of $141 million in research funding to develop better sweet corn, improve cow-calf breeding, make further progress toward controlling citrus greening disease and more.

August 2020

2020-2021 UF/IFAS citrus production guide available - 8/24/2020
While the coronavirus pandemic has changed much of the University of Florida citrus programming, one annual tradition continues, albeit with some changes.

Why does fruit drop prematurely? - 8/20/2020
Researchers found that fruit from severely HLB-symptomatic trees drop significantly more than mildly symptomatic trees.

UF researcher earns national recognition early in her career - 8/19/2020
She’s early in her career, but Yu Wang, a University of Florida food scientist, is making great strides in her research.

New UF/IFAS website helps consumers understand importance of plant breeding program - 8/13/2020
Peruse the produce section of a grocery store and you can find citrus, strawberries, blueberries, tomatoes, sugarcane, corn and lettuce developed by UF/IFAS researchers.

UF professor earns national award for innovative research - 8/12/2020
Researcher. Scholar. Change agent. Nian Wang, a professor at the University of Florida Institute of Food and Agricultural Sciences, has been recognized for all of these roles by the American Phytopathological Society (APS) at its 2020 annual meeting.

July 2020

Nutrient Management of HLB Affected Round Orange and Grapefruit - 7/29/2020
At UF/IFAS, we are working on finding solutions for Florida's citrus growers. This is a summary of one project
made possible by state

Ben Hill Griffin III, supporter of UF/IFAS, higher education and communities, passes at 78 - 7/27/2020
The name Ben Hill Griffin has resonated through the agriculture, citrus and higher education sectors of Florida for generations, and Ben Hill Griffin III carried that torch with commitment and leadership.

Generating HLB-Resistant Citrus Using Gene Editing - 7/21/2020
At UF/IFAS, we are working on finding solutions for Florida’s citrus growers.

Florida’s citrus growers have new tool to help fight citrus greening - 7/21/2020
If information is power, Florida citrus growers have a new asset in their fight against citrus greening disease, which has been impacting the state’s multi-billion dollar citrus industry.

UF/IFAS experts outline hurricane prep, recovery for citrus growers - 7/16/2020
Like all farmers, Florida’s citrus producers must prepare for the worst before a hurricane strikes.

UF/IFAS needs grower input to better train agricultural workers - 7/8/2020
The COVID-19 crisis has hit Florida’s agricultural industry hard with new challenges on how to protect workers who are essential to keeping our nation’s food supply flowing.

June 2020

UF professor earns award from UF/IFAS Extension peers - 6/18/2020
Water is essential to Florida farmers. They scrutinize the amount available, its quality and when and how they should use it to grow crops, feed animals and sustain their livelihood.

Citrus Growers Can Now Earn CEUs On-line - 6/11/2020
When the annual 2020 Florida Citrus Growers’ Institute was canceled due to the stay at home guidelines recommended by the state, growers were shut out of learning the latest research updates from University of Florida citrus scientists.

UF/IFAS Extension agents working together to better serve citrus growers - 6/2/2020
Florida’s citrus growers have long benefited from productive relationships with UF/IFAS Extension commercial citrus agents who work in central and Southwest Florida.

May 2020

In COVID-19 era, UF/IFAS research adapts - 5/28/2020
As Florida moved to “safer at home” measures, not all work could be put on pause. When it came to University of Florida research, many

UF/IFAS researchers try to reduce fruit drop, increase yield in Valencia, Hamlin oranges - 5/27/2020
UF/IFAS citrus scientists Tripti Vashisth and Fernando Alferez are trying to reduce the amount of fruit that drops from Hamlin and Valencia

Subscribe to the UF/IFAS CREC Blog! Get the latest news FAST - 5/20/2020 
The University of Florida IFAS Citrus Research and Education Center has a new way for you to receive the latest news from our researchers

Lessons Learned While Conducting Rootstock Field Trials - 5/20/2020
The University of Florida [UF] Citrus Research and Education Center [CREC] Plant Improvement Team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are limited in number.

Coming attraction: Florida finger limes could be a new addition to your grocery citrus aisle - 5/13/2020
Sweet oranges. Ruby red grapefruit. Sugar Belle mandarins. When one thinks of Florida citrus, these

UF/IFAS scientist uses work lessons to succeed in new home working environment - 5/7/2020
University of Florida scientist Christopher Vincent is used to working with the unknown to learn new grove management practices. As a University of Florida Institute of Food and Agricultural Sciences plant physiologist, Vincent works to discover how citrus trees can thrive under stressful conditions.

University of Florida researchers find promising new treatment in fight to beat citrus greening - 5/6/2020
University of Florida researchers have discovered another possible solution to the plague of citrus greening that is impacting Florida’s citrus groves.  This new information adds to the growing portfolio of knowledge that UF scientists are amassing to fight the disease.

March 2020

UF/IFAS professor receives recognition for early career excellence - 3/26/2020
One of the University of Florida’s most promising professors has been nationally recognized as an industry leader for her scholarship and service. Lauren Diepenbrock, an assistant professor of entomology working at the UF Institute of Food and Agricultural Sciences Citrus Research and Education Center recently received the 2019 Southern Region Integrated Pest Management (IPM) Center Friends of IPM – Future Leader Award.

Even in times of crisis, UF/IFAS researchers prevail - 3/20/2020
The coronavirus has upended daily routines, events and schedules. From work to schools to shopping, every aspect of life changed overnight and continues to change with each passing day.

UF/IFAS scientists find viruses that might help control insect that causes citrus greening - 3/5/2020
University of Florida scientists are working toward establishing a new biological method that may help farmers control the insect that transmits the deadly greening disease into citrus trees. Greening is present in about 95 percent of the citrus trees in Florida, so by using a virus that may kill the insect, growers may be able to reduce the need for pesticides.

February 2020

Citrus Nutrition Box Program yielding results - 2/27/2020
A recent program encouraging Florida citrus growers to learn more about the nutrient management of their groves is yielding promising results.

New Extension agent builds on legacy of those before her - 2/18/2020
When you meet Ajia Paolillo, you might think that everything old is new again.

January 2020

Oak trees may hold antibacterial to help infected citrus trees - 1/21/2020
Wise old oak trees may hold an extract that citrus growers can use to protect their fruit trees from the deadliest citrus crop disease the world has known.

August 2019

July 2019

June 2019

May 2019

April 2019

March 2019

February 2019

January 2019

December 2018

November 2018

October 2018

September 2018

August 2018

July 2018

January 2018