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Below you'll see everything we could locate for your search of “hlb”
Growers have been deploying several new therapies aimed at improving the health of HLB-infected citrus in recent years. Plant growth regulators like gibberellic acid, 2,4-D and brassinosteroids have demonstrated the ability to improve tree health and help in fruit retention. More recently, direct delivery of oxytetracycline hydrochloride (OTC-HCl) via trunk injection has been approved for use in groves. There is …
Plant pathologist Megan Dewdney put emphasis on new plantings during a mid-March discussion of phytophthora management for citrus trees infected with HLB. Dewdney is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Citrus Research and Education Center, where she spoke. Dewdney’s presentation was part of an OJ break hosted by UF/IFAS Extension multi-county …
By Ruth Borger Keeping up with the latest news and research findings that impact how growers can successfully produce citrus in the HLB era can be an overwhelming task. Tracking down the right information at the right time for the changing conditions that face citrus growers takes time, effort and persistence. University of Florida Institute of Food and Agricultural Sciences …
By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Overnight success comes after years of hard work. In science, that means the “eureka” moment isn’t a moment at all. It comes after years of research that can cost millions of dollars. That’s a level of resources that the federal government helps deliver. We’re fortunate that the U.S. Department of Agriculture’s National Institute of …
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Ajia Paolillo recently provided information about two commercial oxytetracycline hydrochloride products approved for use against HLB. TJ Biotech LLC was the first company to receive approval from the Environmental Protection Agency (EPA) for trunk injection of this formulation. EPA granted TJ Biotech a Federal Insecticide, Fungicide, …
After HLB disease was first found in Florida in 2005, many people were discouraged from growing citrus in their home landscapes. There were no citrus recommendations tailored for home gardeners in the HLB era. Now, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has responded to home gardeners who want to plant citrus trees again. Researchers are …
By Tripti Vashisth and Taylor Livingston Grower-led trials in 2022 showed positive results of gibberellic acid (GA) treatment on Hamlin trees in Florida. This article primarily discusses two growers’ trials in detail. Both sites showed improvement in fruit production from the GA application. Many growers have adopted GA applications in the past year as part of their grove management strategy. …
Allowing citrus hybrids with certain criteria in orange juice (OJ) was one of several issues addressed in a recent workshop about potential changes to OJ’s standard of identity. Peter Chaires, executive director of the New Varieties Development and Management Corp., discussed benefits of increasing the hybrid allowance in OJ. Chaires presented a consumer study of juices conducted by University of …
How much life lives in a tiny bit of soil? A lot, according to Sarah Strauss, assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). “The estimate I often mention is there can be over a billion microorganisms in a gram of soil, which is about this size of a quarter,” she said during the …
The event’s fresh format will pack plenty of education and fellowship in a single day. The Florida Grower Citrus Show, scheduled for April 13, is fast approaching. The event opens at 7:30 a.m., and breakfast will be served at 8:00 a.m. Growers and industry stakeholders are invited to sign up for complimentary preregistration. NEW LOOK AND LOCATION This year, the …
Growing Matters has kicked off its annual BeSure! campaign to promote best stewardship practices when using neonicotinoid products. Using a wide range of media channels, the campaign reminds growers, crop protection applicators and others to follow label directions to minimize any potential impact on pollinators and other wildlife. Since its inception in 2019, the BeSure! campaign is estimated to have …
The Florida 2022–23 all-orange forecast inched up 1% in March to 16.1 million boxes while the grapefruit forecast rose 7% to 1.6 million boxes. The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) forecast for Florida tangerines and tangelos was unchanged at 500,000 boxes. The entire rise of 100,000 boxes in the orange forecast was in the …
The objective of a new study published in HortScience was to evaluate and understand the nutrient uptake potential of citrus rootstocks. Conducted by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers, it is one of the first citrus studies to report nutrient uptake efficiency and the potential of rootstocks. The information presented in the study can be …
No action was taken after numerous speakers discussed potential changes to the standard of identity for orange juice (OJ) at a March 1 public workshop. Taking place at Florida Citrus Mutual (FCM) headquarters in Bartow, the workshop was titled “Continuing the OJ Standards Conversation.” FCM Executive Vice President and Chief Executive Officer Matt Joyner offered background on the standard of …
By Ute Albrecht Replicated field studies have demonstrated positive effects of oxytetracycline administered by trunk injection to manage HLB. In October 2022, a 24(c) special local need label was approved that allows the use of this technology in Florida, and final clearance was given in January. When practicing trunk injection, it is important to do so properly and to be …
Morgan McKenna Porter brings new energy to the Citrus Research and Development Foundation. By Ernie Neff New Citrus Research and Development Foundation (CRDF) board President Morgan McKenna Porter was born Feb. 29, 1992. There’s only a Feb. 29 every fourth year, a leap year. “So,” she quipped, “CRDF has a seven-year-old president if we go by my leap year age.” …
The use of individual protective covers (IPCs) to safeguard young citrus trees from HLB has become a common practice in Florida groves in recent years. Fernando Alferez, an assistant professor of citrus horticulture with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has led the research effort to study IPCs and their effectiveness in preventing HLB. He …
By Gary England, Fred Gmitter and Manjul Dutt In 2014, most groves in Central Florida had citrus greening infection rates approaching 100%, but a Lake County grower reported that some trees in his Hamlin on Swingle blocks seemed to be relatively healthy. Some visual HLB symptoms were observed on these “surviving” trees, but they did not have the massive fall …
By Lukasz Stelinski Vector control is considered a basic component of HLB management even under high disease incidence scenarios. A recent study compared the effects of three different economic thresholds (ET-0.2, ET-0.5 and ET-1.0) and one calendar-based application schedule on the incidence of Asian citrus psyllid (ACP) and beneficial species in plots of commercially grown citrus. The study also examined …
By Marisa L. Zansler The Florida citrus industry has endured many challenges throughout its storied history, but never more so than over the past 18 years. During this time, the devastating impact of HLB has become more apparent and entrenched as the root cause of declines in the production of oranges, grapefruit and specialty citrus. HLB, combined with recent weather-related …
