Two short videos about HLB-related research were available at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth at Citrus Expo in August. The videos are available online for viewing. UF/IFAS researcher Tripti Vashisth narrated the video, HLB-Associated Preharvest Fruit Drop. She said up to 40% of fruit can drop from mildly HLB-symptomatic trees shortly before harvest, …
COVID-19 Altered Juice Trends
There were two distinctly divergent trends for citrus juice sales during the 2019-20 Florida citrus season, Florida Department of Citrus economist Marisa Zansler reported recently. The divergent trends were linked to the COVID-19 pandemic, which became a major issue in the United States in March 2020. Prior to March 2020, there were orange juice (OJ) and grapefruit juice surpluses, Zansler …
Fresh Citrus Production, Imports and Exports
U.S. citrus production for the fresh market was estimated at 3.45 million tons in 2020-21, down 6% from the previous season, with smaller fresh-market crops of oranges (down 11%), grapefruit (down 15%) and lemons (down 6%). The U.S. Department of Agriculture’s Economic Research Service reported the production levels in September. ORANGES DOWNRepresenting just under half of all U.S. citrus production …
Panel Discusses OJ and Health Research
The Florida Citrus Commission’s (FCC) Scientific Research Advisory Council (SRAC) on Oct. 13 discussed recent studies and projects addressing the linkage between orange juice (OJ) and health. The FCC governs the Florida Department of Citrus (FDOC), which spends much effort promoting the health benefits of OJ. PUBLISHED STUDIESRosa Walsh, director of scientific research at the FDOC, shared three recently published …
Stay Vigilant on Handwashing and Hygiene
By Taylor O’Bannon, Michelle Danyluk and Matt Krug If you visited any public building or restroom during the COVID-19 pandemic, you may have noticed an increased focus on handwashing and hygiene principles reflected in an abundance of signage on doors and in hallways. While it is great that public awareness has increased in the last 18 months, these have always …
Millennium Block Field Day Draws Growers
More than 50 citrus growers and researchers attended a field day Oct. 14 in Fort Pierce to view 154 new citrus scion-rootstock combinations. Some of the combinations will result in trees that tolerate HLB. The Millennium Block Drive-Thru Field Day occurred at the University of Florida (UF) Institute of Food and Agricultural Sciences Indian River Research and Education Center (IRREC). …
Reducing HLB-Associated Preharvest Fruit Drop
By Tripti Vashisth and Christopher Vincent This article summarizes current knowledge about HLB-associated preharvest fruit drop. Unfortunately, exactly how HLB induces preharvest fruit drop is still unknown. Nonetheless, this article links what we do know about HLB-associated fruit drop to fruit drop in HLB-free trees and how strategies, such as managing tree water status and use of gibberellic acid, can …
Paraquat Use Requires Certification
By Ajia Paolillo If you use herbicides containing paraquat dichloride in your citrus groves, you must be aware of the use certification requirements for this product. In 2016, certifications and training for using this herbicide were put into place following the Environmental Protection Agency’s (EPA) risk mitigation requirements. Any person that uses paraquat must meet these requirements. The first requirement …
Highlands Citrus Agent Ready to Serve
By J. Scott Angle The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is the world’s best university-based citrus science organization. We’re the largest, and we’re more than a century old. So, we’re constantly bringing in new talent. Extension Highlands County citrus agent Lourdes Pérez Cordero started on Sept. 7. She met with Highlands County Citrus Growers Association …
Growers React Differently to Crop Forecast
Florida citrus grower Kyle Story of The Story Companies thought the initial Florida orange crop forecast for the 2021-22 season was “realistic.” But the 47-million-box forecast struck fellow grower Paul Meador as low. Meador is president of Everglades Harvesting and Hauling and serves on the Florida Citrus Commission. The crop forecast, well below last season’s 52.8 million boxes of Florida …
Juice Company CEO Honored
Natalie’s Orchid Island Juice Company founder and CEO Marygrace Sexton has been included in Inc. Magazine’s 2021 Female Founders 100. Inc. editors and writers reviewed thousands of applications to identify the 100 female founders who continued to triumph in a year filled with many challenges. “The 100 women highlighted on this list are inspiring, creative, tenacious and trailblazing role models …
Citrus Hall of Fame Nominations Due Nov. 1
Nominations for the Florida Citrus Hall of Fame class of 2022 are due by Nov. 1, 2021, just four days before the class of 2021 is inducted. Eligible nominees are industry leaders who made significant contributions to the Florida citrus industry as pioneers or in the areas of harvesting, packing, processing, marketing, science or education. Nominations received after Nov. 1 …
U.S. Citrus Processing Report
In 2020-21, 57% of U.S. citrus was used for processing, and most of the processed fruit was oranges, the U.S. Department of Agriculture’s Economic Research Service reported in September. Florida produced 81% of all U.S. oranges for processing, while California and Texas produced the remainder. Florida and Texas had smaller orange crops for the processed market in 2020-21 compared with …
Historic Low for U.S. Citrus Crop Forecast
Members of the Florida citrus industry gathered for lunch on Oct. 12 at Putnam Ranch in Zolfo Springs to hear the U.S. Department of Agriculture’s (USDA) initial 2021-22 citrus crop forecast. While many growers expected the Florida figures to be similar to the 2020-21 season, some thought the numbers would be even lower. On the other hand, a few growers …
Stay Prepared Throughout Hurricane Season
By Ajia Paolillo Although October is toward the end of hurricane season, which runs from June 1 to Nov. 30, it can still be a very active month for storms. These storms can range from tropical depressions to hurricanes. Major concerns for citrus growers during a storm include personnel safety, damage to trees, fruit loss and damage to equipment and …
Rooting Problems in Citrus Trees
Rooting issues in citrus containers were a major problem this year for growers in Georgia. Kim Jones, who farms citrus in Georgia and Florida, implores producers to inspect their trees extensively before planting them. He said there were various reports of j-rooting and circle-rooting in container plants. Trees with these problems are more vulnerable to high-stress environmental conditions if left …
Understanding Mandarin Blooming and Fruit Set Requirements
By Fernando Alferez, Fred Gmitter and Jude Grosser Citrus trees bloom profusely. It is estimated that a healthy adult tree can produce more than 200,000 flowers every year. This figure is much higher than the number of fruits the tree can maintain and develop. Normally, only 1% to 5% of flowers set fruit that develops, matures and can ultimately be …
Floridians Discuss HLB on Australia TV
A Florida citrus grower and a Florida citrus researcher were quoted extensively in a recent Australia Broadcasting Corporation TV show about HLB. Grower Kyle Story and University of Florida Institute of Food and Agricultural Sciences plant pathologist Megan Dewdney appeared in an approximately 12-minute segment of the show Landline. The segment’s focus was Australia’s effort to keep HLB out of …
Protecting Citrus From Pests and Diseases
The federal Plant Protection and Quarantine (PPQ) program summarized its efforts to protect the U.S. citrus industry from pests and diseases in a recent report about its fiscal year (FY) 2020 activities. PPQ is part of the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service. A summary of its citrus efforts follows. PPQ works with citrus growers to …
CUPS Pest Management Pointers
Citrus under protective screen (CUPS) systems in Florida provide trees significant protection from the Asian citrus psyllid (ACP) and the HLB it spreads. Several other pests are also significantly reduced in CUPS, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers reported. For instance, citrus leafminer (CLM) populations were reduced by more than 80%. Large predators such as …