The Citrus & Specialty Crop Expo is fast approaching, scheduled for Aug. 16–17 at the Florida State Fairgrounds in Tampa. The event is the subject of the July All In For Citrus podcast. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, previews the presentation he will be giving …
Capitalize on Cooperative Research
By Larry Duncan The growers advising the Citrus Research and Development Foundation understand very well the importance of cooperative research projects between growers and scientists. Several years ago, they earmarked a portion of research funding, not for carefully managed laboratory experiments or small plot trials at state, federal or private research centers, but rather for grower-run trials testing potential HLB …
Fundecitrus Participates in Argentine Citriculture Congress
Specialists from Brazil’s Fundecitrus recently participated in the Argentine Citriculture Congress in Concordia, Argentina. They were among more than 400 at the event. Participants included producers, researchers and students. Fundecitrus researcher Renato Bassanezi gave the opening lecture on epidemiology and management of greening in Brazil. He also participated in a round table discussion on the current status of advances in …
Stress Factors and Hurricane-Damaged Trees
By Syed Bilal Hussain, Rachel Gearhart, G. Zeng Michalzcyk and Christopher Vincent Hurricane Ian in 2022 caused significant damage to Florida citrus groves. Even groves that experienced only Category 1 winds have begun to decline as the weather has warmed. Signs of canopy decline include branch dieback and leaf drop. Branches with new growth are also experiencing leaf drop. These …
Grapefruit Rootstock/Scion Research Update
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Mark Ritenour and Flavia Zambon recently provided an update on a large field trial. The project is called Evaluation of Potential HLB Tolerant Grapefruit Rootstock/Scion Combinations in the Indian River District of Florida. A summary of their update follows: The project started as a collaborative effort between the UF/IFAS …
CRAFT Reopens Existing Tree Therapies Program
The Citrus Research and Field Trial (CRAFT) Foundation has reopened the application window for its Existing Tree Therapies Program. Applications will be accepted until 5 p.m. on Aug. 31. Participants will be selected through a random lottery, administered by a third-party entity. The program is designed to provide the industry with a better understanding of the best use patterns, combinations …
Greasy-Green Research Update
University of Florida Institute of Food and Agricultural Sciences researchers Megan Dewdney, Mark Ritenour, Liliana Cano, Eva Mulandesa and Monty Myers recently provided an update of their greasy-green disorder research. Excerpts follow from the Indian River Citrus League’s River Ramblings publication: “Greasy green” is a term applied to fruit that develop what appears to be greasy spot rind blotch symptoms …
Citrus Breeding Efforts to Solve the Brix Crisis
By Jude Grosser, Maria Brenelli, Ling Liu, Yu Wang and Fred Gmitter The combination of HLB and hurricane Ian have made this a disastrous year for Florida citrus, drastically reducing the quantity and quality of processing oranges. Brix values are the lowest in history. Early-season Hamlin juice with inferior quality is generally blended with late-season Valencia to achieve the target …
Ag Commissioner Wilton Simpson Confirmed to Speak at Citrus & Specialty Crop Expo
Florida Commissioner of Agriculture Wilton Simpson will speak during the Citrus & Specialty Crop Expo’s General Session on Aug. 16. Simpson, a farmer himself, brings a perspective grounded in the importance and realities of agriculture. “We are excited to have Commissioner Simpson join us for the Expo,” says Robin Loftin, president of AgNet Media. “The Citrus & Specialty Crop Expo …
Albrecht Updates Trunk Injection Research at Citrus Industry Annual Conference
By Frank Giles During the Florida Citrus Industry Annual Conference, Ute Albrecht, a plant physiologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), provided an update on her research on the use of oxytetracycline hydrochloride (OTC-HCl) to treat HLB. She began her presentation with some history of OTC-HCl. The compound has been in use since the …
Recovery Will Require a Multipronged Management Program
By Michael Rogers The 2022–23 Florida harvest season is now behind us. Yield losses magnified by the weather events this past season position the next couple of years as “make or break” for many growers. The lingering effects of hurricane Ian will impact next season’s crop as trees continue to recover and balance out canopy regrowth with fruit production. Despite …
USDA Citrus Breeding Program Focused on Rootstock and Variety Solutions
The U.S. Department of Agriculture’s (USDA) U.S. Horticultural Research Laboratory in Fort Pierce, Florida, has been home to a citrus rootstock and variety breeding program for many years. Kim Bowman, a research geneticist, has been with the program for more than 30 years. More recently, Matthew Mattia, a geneticist, joined the breeding team. They provide an update on the program …
Citrus Grower Forum Focused on New Peptide Product
The University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center hosted a grower forum in mid-June. An educational program during the event provided growers with information on a new HLB therapy working its way through regulatory approvals. The peptide-based product will go by the name Aura Citrus and will be marketed by Nutrien once it …
CRAFT Update Provided at Citrus Industry Conference
During the Florida Citrus Industry Annual Conference earlier this month, Tamara Wood, executive director of the Citrus Research and Field Trial (CRAFT) Foundation, gave an update on a new phase of the CRAFT program. Started in 2019, CRAFT was initially focused on new plantings. The program helps growers cover the cost of new plantings if they agree to an experimental …
All In For Citrus Podcast, June 2023
Speaking at the Florida Citrus Industry Annual Conference in June, Scott Angle, leader of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), reaffirmed the urgency the institution has placed on finding viable solutions to HLB. This includes presenting the citrus industry with a road-map document to lay out UF/IFAS HLB research priorities and objectives. One of the approaches …
Sneak Peek: July 2023 Citrus Industry
The July issue of Citrus Industry magazine focuses on the latest work to breed better citrus trees. Chief among the goals is developing varieties resistant or tolerant to HLB. A trio of articles will give readers an inside look at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture Agricultural Research Service (USDA …
CRDF Research Priorities Include Trunk-Injection Therapy
The Citrus Research and Development Foundation (CRDF) held its June board of directors meeting in conjunction with Florida Citrus Mutual’s Florida Citrus Industry Annual Conference in Bonita Springs. The June gathering is when the CRDF board passes its budget for the next year. The board funded a project by Zhanao Deng, professor of environmental horticulture with the University of Florida …
Federal Funding for Citrus Includes Boost for Breeding
California Citrus Mutual (CCM) in mid-June welcomed congressional support for critical federal citrus programs. The programs being supported include the Citrus Health Response Program, the HLB Multi-Agency Coordination Group and an additional $1 million in federal funding for a new citrus breeding program. The House Appropriations Committee has included additional funding for citrus breeding research. The research is intended to …
Propagation Program Update on Donaldson and Other Trees
The Florida Citrus Commission (FCC) on June 14 received an update about a program for expedited propagation, in which 23 nurseries are participating. The goal of the expedited tree propagation program is to have several million HLB-tolerant or HLB-resistant trees planted in the next several years. Rosa Walsh, Florida Department of Citrus (FDOC) director of scientific research, provided the update. …
New CUPS Research Results Reported
Positive results from experiments with photoselective shadecloth for color break and with plant growth-promoting bacteria for tree health were reported at a June 14 citrus under protective screen (CUPS) seminar. Presenter Arnold Schumann also gave an update on the generous fruit yields being generated in CUPS. Schumann is a University of Florida Institute of Food and Agricultural Sciences Citrus Research …




























