Below you'll find a list of all posts that have been categorized as “Varieties”
Citrus under protective screen (CUPS) provides citrus growers with a way to overcome the challenges of huanglongbing (HLB) disease. While grapefruit is the predominant variety grown in CUPS, research is underway to expand the varieties grown under screen. That’s one of the remaining CUPS research hurdles for Arnold Schumann, professor of soil fertility and water quality at the University of …
University of California, Riverside (UCR) citrus researcher Mikeal Roose is among 23 honorees across the University of California (UC) campuses who recently received UC Regents Innovation Awards. Roose is credited with co-developing the seedless Tango mandarin. The awards recognize UC faculty members whose research has real-world impact. Roose was among 11 honored in the Distinguished Lifetime Achievement Award category for …
Blood oranges are an enticing option to help cold-hardy citrus producers diversify their crop portfolio. Muhammad Shahid, assistant professor of horticulture at the University of Florida Institute of Food and Agricultural Sciences, is researching the crop at the North Florida Research and Education Center in Quincy. Nothing has deterred him from recommending it to growers in North Florida, South Georgia …
During a recent webinar, Jude Grosser, University of Florida Institute of Food and Agricultural Sciences professor of plant cell genetics, presented a three-legged stool approach to achieving sustainability in citrus production. Those legs consist of: For the first two legs, Grosser said enhanced tolerance to HLB is a primary goal, along with improving yield and juice quality. During the presentation, …
The Egyptian Ministry of Agriculture and Land Reclamation has officially registered a new seedless and thornless lemon variety named Egypt 25 (Citrus aurantium). According to state-level administrative reports published by Egypt Today, the proprietary cultivar was engineered and certified by the Horticulture Research Institute, which operates directly under Egypt’s Agricultural Research Center. This official registration marks a strategic push by …
There’s been a great deal of effort over the past 15 years or so to develop or identify citrus varieties and rootstocks that have greater tolerance to HLB. That work has resulted in a lot of options to sort through when making selections for planting resets or new blocks. There have been more than 50 cultivars released in recent years. …
A recent University of California Agriculture and Natural Resources (UC ANR) article described five “odd and unusual” citrus varieties that can be grown in northern California. They are Nagami kumquat, yuzu hybrid citrus, Flying Dragon orange, finger lime and Buddha’s Hand citron. The article noted that Nagami, yuzu and Flying Dragon are cold tolerant to well below freezing. Finger lime …
As citrus growers continue searching for varieties that can perform under huanglongbing (HLB) pressure, researchers are looking beyond tree survival. Fruit quality, flavor and consumer acceptance are becoming increasingly important parts of the equation. A new study evaluated several HLB-tolerant mandarin hybrids and identified selections that combine disease tolerance with traits that could make them attractive for fresh-market production. An …
Many people throw away citrus peels because they are too bitter to eat raw, but this outer layer of the fruit’s skin is a rich source of many sought-after beneficial compounds. The peel is in demand for companies seeking to use those compounds for health and pharmaceutical products. Christina Dorado, lead scientist and chemist at the U.S. Department of Agriculture …
For the past several years, John Chater, University of Florida Institute of Food and Agricultural Sciences assistant professor of horticultural sciences, has been charged with acting as a conduit between citrus breeders and growers seeking information on new varieties and rootstocks to plant. Chater has worked with growers to evaluate new varieties planted in the real world. This has given …
The state of São Paulo has the first Brazilian variety of caviar lime registered in the National Register of Cultivars. Developed by the Agronomic Institute (IAC), the Faustrime cultivar was registered in 2023 and is expected to reach the market later this year. Faustrime is a hybrid of the Australian finger lime (Microcitrus australasica) crossed with a Eustis limequat. Originating …
By Jamie Burrow and Tripti Vashisth If you haven’t had a chance yet, take a few minutes to explore the new 2026 University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Variety Guide. You’ll find it beginning on page 21 of the April 2026 issue of the UF/IFAS Citrus Magazine. WHAT IT INCLUDES This guide is designed to …
Scientists with Tunisian and Swedish universities recently wrote “Salinity–Chloride Interaction Effects on Novel Citrus Combinations Under Various Field Conditions,” which was published in Horticulturae. The authors are Hend Askri, Sywar Haffani, Hager Snoussi, Rim Zitouna-Chebbi, Tarek Fezzani and Asma Najar — all with Université de Carthage in Tunisia — and Ronny Berndtsson with Lund University in Sweden. A brief summary …
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 …
By Peter Chaires Nurseries and growers are continuously searching for suitable substitutes for Hamlin sweet orange to supply the early/mid-season orange juice market. Besides traditional sweet oranges, many new hybrids are in various stages of development. Some of these are likely to rise to the level of commercial viability in the orange-like category. Growers wanting to trial an orange-like hybrid …
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, …
By Peter Chaires There are presently two groups of University of Florida (UF) citrus varieties, licensed to Florida citrus nurseries via New Varieties Development & Management Corp. (NVDMC), the licensing designee of the Florida Department of Citrus. These include: GROUP ONE Get more details on group one in the February 2025 Citrus Nursery Source article. GROUP TWO Find more information …
The University of California, Riverside (UCR), which developed the Tango mandarin in 2006, recently reflected on the variety’s success and noted that its patent has expired. Tango has generated more than $70 million in cumulative economic value for UCR. The virtually seedless, easy-peeling fruit has been marketed under brand names like Cuties and Halos. Now that Tango’s plant patent has …
Last September, Jason Griffin hosted a field day in his citrus grove near Lake Alfred in partnership with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The event was well attended, and some growers requested a second field day when the crop was closer to harvest. Griffin and UF/IFAS hosted a second event in late January as …
Valencia SPB 1-14-19 remained the most propagated Florida citrus variety for at least the fourth straight year in 2024–25, according to the Florida Department of Agriculture and Consumer Services (FDACS). The FDACS Division of Plant Industry’s Bureau of Citrus Budwood Registration recently released the Citrus Budwood Annual Report 2024–25. The report is a highly detailed 44-page document. US-942 returned as …
