One of the overlooked casualties of tropical storms and hurricanes is field research conducted by scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Research on new varieties, plant treatments and other practices can be upended in a day by a violent storm. That happened to some of Christopher Vincent’s research. The UF/IFAS assistant professor of …
Highlights From Citrus Packinghouse Day Presentations
Trunk injection for HLB, diplodia stem-end rot (diplodia SER) and citrus under protective screen (CUPS) were among topics addressed at the recent Citrus Packinghouse Day. The event took place at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC). TRUNK INJECTION FOR HLBTrunk injection of oxytetracycline (OTC) increases tree health, fruit quality …
USDA Funds Three Georgia Citrus Projects
The U.S. Department of Agriculture Agricultural Marketing Service (USDA AMS) funded three citrus projects in Georgia for fiscal year 2023. SATSUMA EDUCATIONThe Georgia Department of Agriculture (GDA) received $103,225 for a satsuma education project. GDA will partner with local farmers and produce distributors to increase the availability of Georgia-grown satsuma mandarins in retail locations. The project will work closely with …
Early Reports: Citrus Fared Well in Idalia
The cold-hardy citrus region endured another test of Mother Nature on Wednesday with Hurricane Idalia moving through the Southeast. One industry expert is optimistic that the area’s trees survived this latest challenge. “I am happy to report that citrus in Georgia appears to have fared very well,” said grower Lindy Savelle, president of the Georgia Citrus Association and member of the …
What To Do When Groves Flood
By Mongi Zekri During heavy rains in the summer, excess water must be removed from the root zone. Flooding injury can be expected if the root zone is saturated for three days or more during extended summer rains at relatively high soil temperatures (86 to 95 degrees). Flooding during the cooler December–March period can be tolerated for several weeks at …
All In For Citrus Podcast, August 2023
With the trunk-injection season winding down in Florida groves, growers anxiously await to see positive results in HLB-infected trees. Two oxytetracycline (OTC) products have been approved for use in Florida citrus as HLB treatments. A third OTC formulation expects Environmental Protection Agency approval soon. Trunk-injection treatments are the focus of the latest All In For Citrus podcast. Michael Rogers, director …
Shipping Georgia Citrus to Florida
The Georgia Citrus Association recently provided information for Georgia growers interested in shipping their citrus to Florida. CHECK REGISTRATIONFlorida citrus packers should be registered with the Florida Department of Agriculture and Consumer Services (FDACS) and the U.S. Department of Agriculture (USDA) if they send fruit out of Florida. The packer should have already reached out to the Florida Citrus Health …
Changing Weather Patterns for Georgia Groves
Pam Knox told Georgia growers at an August citrus meeting that their groves experience warmer temperatures on average than they would have six decades ago. “Since about 1960, annual temperature (in Georgia) has risen about 2.5 degrees Fahrenheit,” she said. Knox is the University of Georgia (UGA) Weather Network director and agricultural climatologist. According to Knox, the growing season increases …
The Benefits of Growing Citrus on UV-Metalized Reflective Mulch
By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …
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 …
Alico Citrus Production Halved
Florida citrus grower and landholder Alico, Inc. on Aug. 3 announced financial results for the third quarter of fiscal year 2023 and the nine months ended June 30, 2023. For the nine months, Alico harvested approximately 2.7 million boxes of citrus, a decrease of approximately 51% from the same period in the prior fiscal year. After the completion of the …
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 …
Controlling Clustered Pellitory Weeds in Groves
Ajia Paolillo and Ramdas Kanissery with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) wrote in an Extension newsletter about clustered pellitory, a recently established weed in citrus groves. Paolillo is a multi-county citrus Extension agent. Kanissery is an assistant professor specializing in weed science. Clustered pellitory is native to Florida and other areas in the southeastern …
Fruit Quality Evaluations for Georgia Citrus Varieties
Characteristics of 30 varieties and 45 variety/rootstock combinations were reported in Evaluating Fruit Quality of Citrus Varieties in Georgia, 2021-22. Jacob Price, county Extension coordinator for Lowndes County and Extension citrus specialist with University of Georgia (UGA) Extension, authored the report. Price noted that most groves in Georgia were planted after 2014. Initially, satsuma mandarins (Citrus unshiu) on trifoliate rootstocks …
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 …
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 …
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 …




























