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A weed garden established this spring beside the Southwest Florida Research and Education Center in Immokalee is intended to help growers, Extension agents and others identify weeds in the grove. “The key ingredient in a weed management toolbox is to correctly identify the weed,” says Ramdas Kanissery, weed scientist at the center. “We’d like to invite groups to this garden. …
University of Florida Institute of Food and Agricultural Sciences researcher Jude Grosser discusses small experiments that indicated manganese and boron can help citrus trees cope with HLB. In a greenhouse experiment from a few years ago, HLB-infected sweet orange trees were overdosed with micronutrients and secondary nutrients. “It looked like … manganese had the biggest effect on growth of the …
University of Florida Institute of Food and Agricultural Sciences researcher Evan Johnson reports that the product Zinkicide appears promising as a management tool for HLB. “Zinkicide is a zinc-based nanoparticle that is designed to become systemic inside the tree and has high bactericidal activity so that hopefully it can target Liberibacter,” Johnson says. Liberibacter is the causal agent of HLB. …
Phil Rucks of Phillip Rucks Citrus Nursery weighs in on the increasing demand for late versus early orange varieties, the impact of Hurricane Irma and HLB. Rucks notes that over the past 30 years, the demand for early-season oranges versus late-season oranges has essentially reversed. In the past, he says, early varieties accounted for about 60 percent of plantings. Now, …
At its recent May meeting, the Citrus Research and Development Foundation (CRDF) finalized a communication plan that will attempt to make the organization’s information more easily available to growers and others. Ned Hancock, chairman of the CRDF communications subcommittee, reports. “One of the key elements is we’re going to revamp our website. We’re going to try to make it extremely …
Allen Morris, owner of Morris Agribusiness Services, says Hurricane Irma will have a huge impact on future orange production in Florida. He explains that Irma caused extensive tree defoliation, which will prevent trees from setting a full crop. He projects an orange crop of 45 to 50 million boxes in the 2018-19 season, and a crop of 60 million boxes …
University of Florida Institute of Food and Agricultural Sciences researcher Christopher Vincent says kaolin clay outperforms foliar insecticides for management of HLB-spreading psyllids at times when kaolin’s use is practical. His presentation on the topic followed the Citrus Research and Development Foundation (CRDF) meeting on May 22 at the Citrus Research and Education Center in Lake Alfred. The presentation, part …
Hardee County citrus grower John Roy Gough says he’s pleased with his fruit set so far this spring, “if I can just hold them. That’s the key to it, is holding them (fruit) on there … Of course you can’t count your chickens until they hatch, and we’ve got a long way to go.” Gough says he has experienced very …
Citrus Research and Development Foundation (CRDF) Vice President and Governance Committee Chairman Rick Kress comments on a recent National Academy of Sciences (NAS) report regarding HLB and CRDF. He says NAS reported that CRDF has pursued all angles on HLB, also known as citrus greening, and declared there won’t be a single solution or cure. When NAS worked with CRDF …
The Florida Citrus Commission approved a preliminary 2018–19 budget of $17.645 million dollars for the Florida Department of Citrus (FDOC). FDOC Executive Director Shannon Shepp discusses the budget and the department’s mission. “We have a net increase in the budget of about $409,000” compared to the current 2017–18 budget, Shepp says. She notes that about half of the funding will …
The level of fruit production in groves was one of the major topics discussed at a citrus grower roundtable meeting on May 15 in Wauchula, Florida. Several growers said their per-acre production increased this season, but one said he had huge production declines. One grower said his Valencia crop doubled. Another said he had a 50 percent crop increase, adding …
Lemon grower Mike Litvany shares his experience growing lemons for the past 20 years in North Central Florida. Litvany has been in the Florida citrus industry since 1975. He says, “What happened to the Florida citrus industry has happened to me; it’s all pretty much disappeared.” His 20-acre lemon grove is 7 miles south of Clermont, east of U.S. 27 …
Greg Nelson, president of Egan Fruit Packing in Fort Pierce, Florida, summarizes the status of the fresh citrus industry and discusses opportunities for the future. “We’ve seen a slight decline in fresh orange consumption over the past 20 years, but a more significant, dramatic decline in fresh grapefruit consumption,” Nelson says. “But a lot of that is driven by lack …
Citrus bloom has been good this year, but growers are anxious to see what fruit set will be this summer, says Highlands County grower Ned Hancock. “We were encouraged by the bloom,” Hancock says. “Everybody was scared after (Hurricane) Irma, (about) what would happen. We’re all kind of waiting on pins and needles to see what kind of crop we …
The use of highly HLB-tolerant genotypes as interstocks on a tree with a Swingle rootstock and a Valencia scion infected with HLB is offering hope for help against HLB, Jude Grosser reports. Grosser is a plant breeder with the University of Florida Institute of Food and Agricultural Sciences at the Citrus Research and Education Center in Lake Alfred. “Virtually every …
David Howard with Graves Brothers Company, headquartered in Vero Beach, says groves had a good bloom and good fruit set this year. “It looks so far like we’ve been blessed with a nice spring fruit set,” Howard says. “We put a lot of effort into recovery after the storm (Hurricane Irma, in September). We had standing water in all of …
The Citrus Research and Development Foundation’s (CRDF) board of directors, which is focused on HLB, discussed ways to improve communications with growers and others during a meeting in Immokalee on Tuesday. The directors asked numerous growers attending the meeting at the Southwest Florida Research and Education Center for their input regarding improved communication. One grower said he needs more detail …
Jim Snively, vice president of grove operations at Southern Gardens Citrus, discusses his company’s management of HLB and the psyllids that spread it. He summarizes a presentation he made at the International Citrus Business Conference in March. “By reducing stress, the trees can deal with disease much better,” Snively says. “We’re doing this through continuous-type feeding or frequent feeding with …
Phil Stansly, University of Florida Institute of Food and Agricultural Sciences entomologist, discusses alternatives to imidacloprid for helping to control HLB-spreading Asian citrus psyllids (ACP). “Imidacloprid of course is typical of the neonicotinoids that we’ve been using as soil applications to protect young trees,” Stansly says. “We’ve seen and the growers have seen, too, that soil applications of systemic insecticides …
The damage that Hurricane Irma inflicted on citrus nurseries and citrus groves in September caused long delays in tree deliveries to growers, says Phil Rucks, owner of Phillip Rucks Citrus Nursery in Frostproof. Rucks says 59 of the state’s 77 citrus nurseries sustained some degree of damage in the hurricane. Much of the nursery damage wasn’t repaired for half-a-year as …
