Growing Finger Limes in Florida: Lessons Learned So Far

Tacy CalliesLimes

By Manjul Dutt and Jude Grosser Finger lime, a distant relative of sweet orange and grapefruit, is a relatively new crop species for Florida. It is an Australian native species that has been gaining in popularity and importance in the last few years because of its unique fruit characteristics and disease tolerance, which sets it apart from conventional sweet orange …

Rootstock Offers High Hopes for HLB Tolerance, Maybe Resistance

Tacy CalliesRootstocks

The new Sugar Belle hybrid rootstock LB8-9xS13#16 has quite a history, according to University of Florida Institute of Food and Agricultural Sciences citrus breeder Jude Grosser.  “This is one of several projects I did with Orie Lee toward the end of his Florida Citrus Hall of Fame career/life,” recalls Grosser. “We did a lot of brainstorming together, and he was …

New Rootstocks in the Citrus Breeding Pipeline

Tacy CalliesResearch, Rootstocks

By Jude Grosser, Fred Gmitter and Kim Bowman Two citrus breeding programs have identified several rootstocks that can currently be planted with confidence when combined with appropriate scions, including mid- and late-season oranges, and grown with emerging enhanced nutrition programs. These citrus breeding programs are at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education …

Massive Research Project in Millennium Block

Ernie NeffResearch

Researchers at the resurrected Millennium Block at Fort Pierce will assess the performance of new grapefruit cultivars and evaluate numerous rootstocks in the face of HLB. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Rhuanito “Johnny” Ferrarezi discusses the history of the block and research planned there. The block is called Millennium because some researchers planted variety …

Rootstock Effects on Valencia and Hamlin in Large-Scale Commercial Plantings

Tacy CalliesResearch, Rootstocks

By Ute Albrecht, Sudip Kunwar and Jude Grosser Prior to 1865, the only rootstocks used in Florida were sour orange and sweet orange. Use of grafted trees instead of seedling trees became necessary because of the devastating effects of phytophthora on sweet orange. Sour orange was widely used as a rootstock because of its resistance to phytophthora and other positive …

production

Growers Get Details on CRAFT Cycle Two

Ernie Neffplanting, Research

Approximately 60 people learned how to participate in Cycle Two of the Citrus Research and Field Trial (CRAFT) program via a virtual workshop held June 23-24. The application period for Cycle Two will be July 20 to Sept. 4, 2020. CRAFT offers growers substantial financial incentives to plant new trees that will be raised utilizing specific HLB mitigation strategies. Participating …

varieties

Top Picks From Citrus Variety Display Days

Tacy CalliesCitrus, Varieties

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

Tacy CalliesVarieties

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 …

Summer Tree Care Practices to Improve Fruit Quality and Yield

Tacy CalliesCitrus, Production

By Fernando Alferez and Tripti Vashisth As summer approaches and citrus trees bear developing fruit, growers can engage in several practices to improve fruit quality and yield. As temperatures rise and daylength increases, conditions are conducive for enhanced photosynthesis and accumulation of soluble sugars in the fruit. It is important to note that, in general, the temperature is negatively correlated …

Fruit Drop of Citrus in Summer Months

Tacy CalliesProduction, Research

By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …

Georgia

More Georgia Citrus Nurseries Certified

Ernie NeffGeorgia, nurseries

The majority of trees in Georgia’s young citrus industry have come from other states. “That statistic could soon be changing, meaning that the majority of trees could come from nurseries within the state,” said Lindy Savelle, president of the Georgia Citrus Association.   Savelle reported that three greenhouses in Georgia have been inspected by the U.S. Department of Agriculture (USDA) …

Sweet Season for Australian Citrus

Tacy Calliessales

Research conducted by Citrus Australia indicates dry conditions last year leading into this season’s harvest, which is underway in all states, has led to sweeter, juicier fruit. “There are fresh, Australian grown, juicy oranges and mandarins, and really flavorsome lemons, limes and grapefruit in stores across the country now,” said Citrus Australia CEO Nathan Hancock. “All citrus varieties are packed …

Georgia Citrus Avoids COVID-19 Harm

Ernie NeffCOVID-19, Georgia

Georgia’s citrus crop was harvested before the COVID-19 pandemic hit the United States, so the state’s small but growing citrus industry has thus far avoided impacts from the disease. “We don’t think marketing will be affected by COVID, but harvesting (next season) could become problematic if our harvest crews experience problems,” said Lindy Savelle, president of the Georgia Citrus Association. “Although …

Sneak Peek: June 2020 Citrus Industry Magazine

Tacy CalliesSneak Peek

Florida’s citrus harvest may be winding down for the season, but tree care continues year-round. The June issue of Citrus Industry magazine includes two timely articles on summer tree care practices. In the first article, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Fernando Alferez and Tripti Vashisth discuss techniques to improve fruit quality and yield during …

Coming Attraction: Florida Finger Limes

Tacy CalliesVarieties

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 …

Lemons Hit Hard by COVID-19 Losses

Len WilcoxCalifornia Corner, COVID-19, lemons

Lemon growers are seeing good production this year, but the market for choice lemons has been ruined by COVID-19 food-service industry losses. “We’ve seen 20 to 25 percent decrease in fruit movement, and that’s mainly attributable to the decline in the food-service industry,” according to Ventura County lemon grower Will Pidduck. Ironically, it is otherwise a good year for lemons …

Asian Giant Hornet Threatens Honey Bees

Ernie NeffPests

The Asian giant hornet (Vespa mandarinia), typically 1.5 to 2 inches long and a threat to honey bee colonies, has been found in Washington state. Amy Vu and Jamie Ellis with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Honey Bee Research and Extension Laboratory recently provided information about the pest. “This insect has recently been called …

Update on Georgia Citrus Production

Tacy CalliesGeorgia, Production

The citrus industry in Georgia is quickly gaining ground. Extension agents from Fort Valley State University (FVSU), University of Georgia (UGA) and the University of Florida (UF) hosted a virtual conference on April 27 providing updates from UGA Extension on citrus production in Georgia. Topics discussed during the meeting included current citrus production numbers in Georgia, tree sources, yield forecasts …

Senators Join in Opposition Against Citrus Imports From China

Daniel CooperExport/Import, Industry News Release

On April 28, U.S. Sen. Marco Rubio and U.S. Sen. Rick Scott sent a letter to U.S. Secretary of Agriculture Sonny Perdue asking him to reverse a decision to let five varieties of citrus fruits be imported from China. The senators’ letter follows an April 24 letter from 17 U.S. representatives from Florida, who made the same request to Perdue. …

production

Georgia Also Opposes China Citrus Imports

Ernie NeffExport/Import, Georgia

Like several organizations in Florida, the Georgia Citrus Association (GCA) has asked the U.S. Department of Agriculture (USDA) to reverse its decision to allow fresh citrus from China into the United States. GCA President Lindy Savelle asked for the reversal and expressed “strong opposition” to the April 15 USDA decision in an April 17 letter to U.S. Secretary of Agriculture …