Meetings have become an integral part of the production process for Georgia citrus growers. The University of Georgia’s (UGA) most recent meeting allowed producers to hear from scientists about research pertaining to a growing industry in the region. Topics like changing weather patterns, rootstock research, HLB and the use of ethylene to degreen satsuma mandarins were presented during an Aug. …
Connect and Learn at the Citrus & Specialty Crop Expo
By Jamie D. Burrow and Ruth Borger The Citrus & Specialty Crop Expo has always been a time for the industry to gather, learn and reminiscence. During the Expo at the Florida State Fairgrounds in Tampa on Aug. 16–17, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Extension booth is in a new location near the …
Citrus Production Guide Available at Expo
The 2023–2024 Citrus Production Guide will be available to growers at the Citrus & Specialty Crop Expo in Tampa on Aug. 16–17. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) publication includes the latest technical advice on HLB management, tree nutrition, grove management and other aspects of Florida citrus cultivation. The guide is a comprehensive reference meant …
Biologically-Based Management of Citrus Pests
By Jawwad Qureshi Management of the Asian citrus psyllid (ACP, Figure 1) is critical because it is responsible for spreading huanglongbing (HLB) disease. Although HLB is established in Florida, it continues to spread through ACP feeding in already infected trees and by infecting newly planted young trees. Some ACP control occurs naturally in the environment by beneficial organisms such as …
UF/IFAS Educational Programs at Expo
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers and Extension staff will provide multiple educational programs at the Citrus & Specialty Crop Expo Aug. 16–17. The event will be held at a new location this year — the Florida State Fairgrounds in Tampa. Attendance is free to growers, but registration is required. UF faculty and staff …
Land Grant Research Prioritization Act Introduced
U.S. senators from Florida and Georgia have introduced legislation authorizing the U.S. Department of Agriculture (USDA) to make priority research grants available for land-grant universities. The grants would fund research and development of agricultural applications of artificial intelligence (AI), advanced mechanized harvester technologies, invasive species control and aquaculture. The senators who introduced the Land Grant Research Prioritization Act are Marco …
Sneak Peek: August 2023 Citrus Industry
The August issue of Citrus Industry magazine includes the show guide to an event many Florida growers look forward to all year long. The annual Citrus & Specialty Crop Expo has a new home at the Florida State Fairgrounds in Tampa. Find what you need inside the August issue to make the most of the event, including a full seminar …
Accelerating Citrus Breeding Efforts
By John M. Chater Professors Jude Grosser and Fred Gmitter have been breeding improved citrus varieties at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) for decades. Over time, they have released several of their advanced selections. Many of these selections are sweet oranges. There is a subset of these creations …
All In For Citrus Podcast, July 2023
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 …