In response to HLB, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeding program is focused on developing improved varieties and rootstocks for sustainable and profitable production. Rootstock and scion performance trials have been established throughout the state. UF/IFAS citrus breeder Fred Gmitter touched on some of the experimental trials being done in Florida’s Indian River …
Partnership Advances Citrus Variety Work
Citrus studies are advancing in groves across Florida thanks to growers willing to collaborate and share their land with researchers. This type of partnership is rare and does not form overnight. Citrus grower Tom Hammond and University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeder and geneticist Fred Gmitter are a prime example of a dynamic partnership. …
Acreage Reflects Consumer Demand
Shifting consumer trends have helped dictate which varieties are most popular among California citrus growers. Bruce Babcock, professor in the School of Public Policy at University of California, Riverside, explained that over the past 15 years or so, there have been some notable changes in California citrus acreage. “What we’ve seen is just explosive growth in acreage devoted to mandarins. …
Trials to Seek Hamlin Alternative
Twenty-four citrus scions were approved by the Citrus Research and Development Foundation (CRDF) on March 23 for eventual use in multiple field trials around Florida. The purpose of the trials will be to find an early-season orange that is more tolerant of HLB disease than Hamlin, said CRDF Chief Operating Officer Rick Dantzler. Hamlin has long been the primary early-season …
New Uruguayan Citrus Varieties for Licensing
The Uruguayan Citrus Consortium has issued an international call for licensing several new mandarin and orange varieties for their evaluation, development, production and commercialization in North America and/or the Mediterranean Basin. The mandarins are F7P3, F4P7, F3P8 and F2P3. The oranges are NVA033, NVA036 and SELP100. An exclusive license is being offered for a period of up to 10 years. …
Indian River Variety Trial Attracts Visitors
Forty-nine growers and others participated in a self-guided, drive-through tour of the Millennium Block variety performance trial at the Indian River Research and Education Center (IRREC) on Oct. 9. “Several growers highlighted trees are off to a good start, and despite the fact they’re young, they could see clear differences,” said host and IRREC researcher Rhuanito “Johnny” Ferrarezi. Ferrarezi works …
Varieties and Rootstocks Reviewed
In his virtual Citrus Expo presentation, Jude Grosser reviewed varieties and rootstocks showing promise for productivity in the face of HLB. Grosser is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant breeder. His presentation was based on work done by him and fellow UF/IFAS researchers Bill Castle and Fred Gmitter. Grosser said UF/IFAS released OLL-20 “based …
Is Parson Brown the Better Early Orange?
The old Parson Brown sweet orange variety is showing some characteristics that could make it more attractive than Hamlin, which has long been Florida’s leading early-season orange. “Observations made in commercial blocks in Polk and neighboring counties illustrate an improved canopy density, improved mature fruit retention and higher yields in the early-maturing Parson Brown sweet orange when compared to adjacent …
Progress Toward HLB-Tolerant Citrus
Largely due to the advent of huanglongbing (HLB) disease, Florida orange production has declined by over 70 percent in the last 10 years. According to experts, if the trend is not reversed, processing plants will not have enough fruit to maintain production and profitability, ultimately causing shutdowns. Currently, Florida law requires that orange juice be comprised of at least 90 …
Top Picks From Citrus Variety Display Days
By Yu Wang, Fred Gmitter, Jude Grosser, Joon Hyuk Suh and Peter Chaires The Citrus Variety Display Days at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) have been a unique platform to fulfill one of the core missions of the Florida citrus industry. These events help identify new selections with …
The Ins and Outs of Tango
The relatively mild winter conditions over the last two decades have led to a resurgence of interest in cold-hardy citrus in Florida. Growers were looking for a low-seeded citrus variety that was sweet, easy to peel and had moderate cold tolerance. In 2009, the first Florida nurseries were licensed to grow Tango, a low-seeded (less than five seeds per fruit …
Coming Attraction: Florida Finger Limes
Sweet oranges. Ruby red grapefruit. Sugar Belle mandarins. When one thinks of Florida citrus, these fruits immediately come to mind. But finger limes? A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher believes that finger limes may be the next food trend that will continue to fortify Florida’s role as a citrus producer for the world. Manjul …
Orange Opportunities
New sweet orange cultivars for processing can be harvested throughout the Florida citrus season. By Jude Grosser, Fred Gmitter and Bill Castle Florida orange juice has always been the gold standard among the growing portfolio of fruit juices and blends available to consumers. However, the now endemic citrus greening disease or huanglongbing (HLB) threatens this status by causing reduced fruit …
New Varieties and Juice Blends Discussed
Growers recently sampled and graded new fruit varieties, as well as some juice blends, at University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) fruit display events. UF/IFAS plant breeder Jude Grosser commented on the fruit varieties and juice following a sampling event at the Citrus Research and Education Center. “It’s kind of neat because when we first started …
Niche Market and Dooryard Citrus for the HLB World
By Jude Grosser, Manjul Dutt and Fred Gmitter The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus improvement team at the Citrus Research and Education Center (CREC) has developed a broad citrus germplasm base. This provides opportunities to generate diverse, interesting and possibly lucrative selections with niche market and dooryard potential. Several such selections are showing reasonable …
Grower Likes UF Mandarin Varieties
Dozens of Florida citrus growers and other industry members sampled new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus varieties Nov. 14. The samplers tasted many pieces of fruit as well as some juice from new fruit at the Citrus Research and Education Center (CREC) in Lake Alfred. Those participating in the sampling carried clipboards with lists …
Varieties Update: OLL-20 and Bingo
Fred Gmitter provided an update at Citrus Expo on University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus varieties, including OLL-20 and Bingo. Gmitter is a UF/IFAS citrus plant breeder and geneticist at the Citrus Research and Education Center. Gmitter said OLL-20, a new sweet orange, has “exceptional flavor characteristics … It looks to be something that could …
UF/IFAS to Add Citrus Plant Improvement Specialist
Many citrus growers want to replant their groves that are withering because of greening. But they need field data to know which varieties to plant. Gathering that information takes time. As a rule, though, it takes 15 to 20 years to develop a new citrus variety and get data on how it will perform in the field before it is …
Fast Track Has Winners and Losers
At a recent meeting to discuss the release of the Marathon mandarin in the Fast Track citrus evaluation program, the program manager said Fast Track selections have had varying fortunes. “The purpose of this program is to take things that look promising and then get them out into the hands of nurseries and growers as fast as possible,” says Peter …
Working Toward Better Orange Juice in the HLB World
By Jude Grosser, Fred Gmitter, Yu Wang and Bill Castle It’s no secret that huanglongbing (HLB) has challenged the industry to maintain the outstanding quality associated with Florida orange juice. Moreover, increased prices and competition from new juice products and blends have reduced Florida orange juice consumption. We believe that improving the quality, especially flavor and color, of juice products …