By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Of all the things Chris Oswalt has delivered for the citrus industry — weather data, freeze-protection advice, Extension programming — his most valuable contribution might be his mentorship of a new generation of citrus agents. GUIDING CAREERSYou likely wouldn’t have Danielle Sprague assisting a cold-hardy citrus association in North Florida were it not for …
Florida’s Natural Announces Grower Returns and Officers
Florida’s Natural Growers’ round orange pool for last season paid an average of $3.50 per pound solid, Chief Financial Officer Matthew Woodall announced at the cooperative’s recent annual stockholders’ meeting. Early and midseason oranges paid a combined $3.42 per pound solid, and Valencia oranges paid a combined $3.55 per pound solid. Tangerines paid an average of $2.60 per pound solid, …
Citrus Breeding Discussed During Field Day
The focus of citrus breeding at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) differs for fruit produced for the juice market vs. fruit for the fresh market. Citrus breeder Jude Grosser, a UF/IFAS professor of plant cell genetics, spoke during the Cold-Hardy Citrus Field Day at the North Florida Research and Education Center in Quincy on …
$21.7 Million for HLB Research
Seven entities recently received $21.7 million to conduct research into combating and preventing HLB at the farm level. The funding is from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA NIFA) Emergency Citrus Disease Research and Extension program. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) received the majority of the funding, more …
Two Types of EQIP Assistance Available
Florida agricultural landowners and growers with damages caused by Hurricane Ian can apply for emergency and general assistance through the U.S. Department of Agriculture’s Natural Resources Conservation Service’s (NRCS) Environmental Quality Incentive Program (EQIP). NRCS can provide payments, through conservation program contracts, for EQIP conservation practices that address disaster-related resource concerns on agricultural land. NRCS is issuing EQIP early start …
Wang Honored for HLB Research
Nian Wang, a University of Florida (UF) Institute of Food and Agricultural Sciences professor, has been awarded one of the school’s 2022 Inventions of the Year for his work on HLB. Wang works in the Microbiology and Cell Science Department at the Citrus Research and Education Center. He worked on controlling HLB by mitigating cell death of the phloem tissues …
Brazilian NFC OJ Exports Boom
Brazilian exports of not-from-concentrate orange juice (NFC OJ) have jumped 296% in volume over the past 18 crop seasons, reaching a peak of 1.5 million tons in the 2017–18 season. During the same period, exports of concentrated OJ declined 46%. Concentrated OJ historically had accounted for the highest volume of shipments of orange products to international markets. The increase in …
Citrus Canker and Black Spot Management After Hurricane Ian
By Megan Dewdney The story of citrus canker in Florida is unfortunately linked to hurricanes. Canker spreads far and wide with the aid of the storms. Not only can the heavy rains and high winds move the bacterium among locations, but the winds cause wounds in the canopy. Ragged leaves, scoring of leaf surfaces, thorn scratches on branches and more …
Changing Psyllids to Make Them Incapable of Spreading HLB
By Kirsten S. Pelz-Stelinski and Lukasz L. Stelinski Managing Asian citrus psyllids (ACP) remains a consideration for growers because psyllids transmit the citrus greening disease pathogen, Candidatus Liberibacter asiaticus (CLas), to newly planted trees. There are several tools that can reduce psyllid populations or mitigate the symptoms of HLB and improve the health of infected trees. However, additional methods that …
Managing Weeds in California Groves
By Danielle Leal Over the years, new weeds have surfaced, and old weeds have developed resistance and become tougher to control. Crop scientists are currently researching ways to successfully manage weeds in citrus. Sonia Rios, technical development representative for Bayer Crop Science, said growers are heavily dependent on post-herbicides to help mitigate weeds. “In order to use a pre-herbicide, you …
BMP Verification Visits Suspended
The requirement that the Florida Department of Agriculture and Consumer Services (FDACS) conduct Best Management Practice (BMP) implementation verification visits has been temporarily suspended for several counties impacted by Hurricane Ian. The action was taken Oct. 31 by Florida Commissioner of Agriculture Nikki Fried. The 60-day suspension is effective for the counties of Brevard, Broward, Charlotte, Collier, DeSoto, Flagler, Glades, …
Injectable Oxytetracycline Registered
The Florida Department of Agriculture and Consumer Services (FDACS) on Oct. 28 granted a 24(c) special local need registration for the injection of ReMedium TI for the control or suppression of HLB. The TJ BioTech product is oxytetracycline (OTC) hydrochloride, an antibiotic. “EPA (the federal Environmental Protection Agency) has 90 days to object, but it is my understanding that growers …
Oxytetracycline Product Promises Timely Relief From HLB
What may be the closest thing yet to a timely silver bullet for HLB was discussed Oct. 26 at Lake Alfred’s Citrus Research and Education Center. Josh Steinbronn, director of research and development at TJ BioTech, said trunk injection of his company’s ReMedium TI oxytetracycline product suppresses Candidatus Liberibacter asiaticus (CLas), the causal agent of HLB. He added that injection …
California Citrus Industry Follows in Florida’s Research Footsteps
By Danielle Leal During a recent trip to Washington, D.C., California Citrus Mutual (CCM) representatives visited with the U.S. Department of Agriculture and members of Congress to outline several citrus industry priorities and secure funding for research. CCM President and Chief Executive Officer Casey Creamer announced during the 2022 California Citrus Conference that the Citrus Research Board received funding from …
Post-Hurricane Disease Management Advice
Megan Dewdney, associate professor of plant pathology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), joined the October All In For Citrus podcast to discuss Hurricane Ian and tips on disease management after the storm. Hurricanes weaken citrus trees and spread disease. “If a tree has a full canopy, the wind will put a lot of …
Hurricane Ian Citrus Damages Could Hit $675 Million
Total Florida citrus crop and tree losses from Hurricane Ian are estimated to be from $417 million to $675 million by the Florida Department of Agriculture and Consumer Services (FDACS). FDACS’ Hurricane Ian’s Preliminary Estimates of Damage to Florida Agriculture report echoed a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) preliminary assessment of $147 million to $304 …
Evolution of Sting Nematode Integrated Pest Management
By Homan Regmi, Larry Duncan and Johan Desaeger Two field trials were initiated in a Polk County, Florida, commercial grove of 15-month-old Valencia on Kuharske trees in 2019 to measure the effectiveness of integrated pest management (IPM) tactics for managing sting nematodes (Belonolaimus longicaudatus). Six chemical nematicides, many newly released, were compared in one trial. In the second, perennial peanut …
Sneak Peek: November 2022 Citrus Industry
While irrigation and technology were meant to be the focus of the November issue of Citrus Industry, the aftermath of Hurricane Ian, combined with the low initial crop forecast that does not even account for the storm’s damage, proved to be the much bigger story. Editor-in-Chief Frank Giles provides early details on the hurricane’s damage to Florida’s citrus industry and …
Controlling Pest Pressure Post-Hurricane
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Ajia Paolillo summarized suggestions for controlling pest pressure after Hurricane Ian in a recent Extension newsletter. Along with horticultural practices and disease control, growers should be monitoring for pests in their groves post-hurricane. UF/IFAS entomologist Lauren Diepenbrock provided some suggested practices for keeping pest pressure as …
Apply for CRAFT Cycle 4
The Citrus Research and Field Trial Foundation (CRAFT) is accepting applications online for Cycle 4 of the program. All applications must be received no later than 5 p.m. on Nov. 30, 2022. CRAFT Cycle 4 will continue the practice established in Cycles 1–3 of partnering with Florida citrus growers to evaluate the effectiveness and economic feasibility of various HLB mitigation …