Gardinier Florida Citrus General Manager Lee Jones named two rootstocks that looked appealing at an April 25 Citrus Research and Development Foundation (CRDF) rootstock field day in Highlands County. “(US) 942 kind of stands out to me,” he said. “(US) 812 looks good,” he added. “What we’re learning as we’re going is we’ve got to spoon feed this (citrus trees) …
Saving Citrus Growers Time and Money
Southwest Florida Water Management District’s Citrus Task Force aims to improve grower services. With the citrus industry facing challenges due to hurricanes, greening and reduced production, the Southwest Florida Water Management District (District) is working to improve services and business processes for citrus industry customers. SOLICITING FEEDBACKThat’s why District Executive Director Brian Armstrong formed the Citrus Task Force. It’s an …
Sneak Peek: May 2019 Citrus Industry Magazine
The May issue of Citrus Industry magazine offers something for everyone. The diverse range of article topics in this issue is sure to be of interest to readers. First, growers will want to read the latest research on citrus tristeza virus (CTV). Although this is an old problem in Florida, it’s still a threat today — especially if you are …
Grapefruit Grown Under Protective Screens Maximizes Fruit Yield
Growers of one of Florida’s signature citrus crops may see more production and possibly less of the deadly citrus greening disease. Researchers have worked for four years growing grapefruit under protective screens on a 1-acre experimental plot at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), and they’re seeing encouraging results. UF/IFAS scientists and a few commercial …
All In For Citrus Podcast, April 2019
April’s All In For Citrus Podcast has a different format than previous programs. This month’s podcast kicks off with a message from Michael Rogers, center director at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center (CREC). He gives a summary of the recent Florida Citrus Growers’ Institute that took place at the beginning …
Soil and Water pH Play a Key Part in Nutrition
By Tripti Vashisth, Davie Kadyampakeni and Lushan Ghimire In the past few years, horticultural citrus grove management practices have changed significantly in Florida. It is a common observation across the state that huanglongbing (HLB)-affected trees respond well to complete and balanced nutrition programs. Therefore, citrus growers are currently focusing on intensive management of irrigation and nutrition. HLB-affected trees suffer a …
Grove Border Control for Psyllids
Controlling HLB-spreading Asian citrus psyllids along grove borders can be part of a cost-efficient psyllid control program, says University of Florida Institute of Food and Agricultural Sciences entomologist Lukasz Stelinski. “Psyllids are found in borders in much greater frequencies than any other place within the grove,” Stelinski says. “This is a place that they congregate … Anything that helps protect …
What Will Come from Brazil?
By Marcos Fava Neves On the supply side, Florida expects 77 million boxes of oranges this season. Valencias account for 46 million boxes, while non-Valencia represent 31 million boxes. With reports of smaller fruit, these figures may drop before the end of the processing season. SEASON STATUSIn general, the Florida weather has been favorable this season, allowing for a good …
The Economics of Mesh Bags
Numerous Florida citrus growers have recently put mesh bags over individual young citrus trees to exclude HLB-spreading Asian citrus psyllids. A topic title at the 2019 Florida Citrus Growers’ Institute asked whether the practice is profitable. The presentation was made by University of Florida Institute of Food and Agricultural Sciences economist Ariel Singerman. “The answer to the question of whether …
PIECES OF THE PAST: Noteworthy 1921 Tangelo Tree
I came across an article in the March 1921 issue of Citrus Industry that was titled “Tangelo Tree Attracts Attention” by W.B. Powell of Lakeconics. Two things caught my eye: 1) “Lakeconics” — where or what the heck was that!? and 2) the singular use of “Tree.” What was so special about this one tree? So, of course, I had …
Critical Leaf Nutrient Thresholds to Diagnose Deficiencies in HLB Trees
By Arnold Schumann, Laura Waldo, Tripti Vashisth, Alan Wright and Kelly Morgan Huanglongbing (HLB) disease severely impacts the nutrient status of citrus trees, particularly by stunting the feeder roots and causing measurable deficiencies of nutrients in the roots and canopies. Visible symptoms of nutrient deficiencies on citrus foliage are characteristic but not diagnostic of HLB disease. Recent HLB research efforts …
Indian River Citrus Trials Discussed
Researcher Rhuanito “Johnny” Ferrarezi recently discussed experiments on citrus varieties and citrus under protective screen (CUPS) in the Indian River area. Ferrarezi is a University of Florida Institute of Food and Agricultural Sciences assistant professor of citrus horticulture at the Indian River Research and Education Center (IRREC). One large trial Ferrarezi discussed will be of grapefruit, navel and mandarins on …
Grower/Hedger Has Labor Concerns
Discussions about citrus labor frequently focus on concerns about a shortage of harvesters and problems with the federal program that allows temporary foreign workers into Florida. But grower and hedger Frank Youngman recently voiced concern about a shortage of more skilled grove workers. Youngman said with tractors becoming “more technologically enhanced with GPS systems and so forth, we don’t have …
Grower Considers New Variety
About 20 people attended an informational program on April 9 at the Citrus Research and Education Center in Lake Alfred, Florida. The meeting addressed the newest Fast Track program variety, Marathon, being released. Marathon is an early-season seedless mandarin. Jerry Mixon of KLM Farms, who is growing other selections released by the Fast Track program, expressed interest in the Marathon …
California Legislative Staff Updated on HLB Control Efforts
Recently, California Citrus Mutual (CCM) hosted a lunchtime briefing at the Capitol. The purpose was to update legislative staff on the status of HLB in California and the industry’s continued efforts to prevent the disease from spreading into commercial groves. The briefing included a panel discussion with CCM Director of Government Affairs Alyssa Houtby, California Citrus Pest and Disease Prevention …
Cover Crops for Citrus
By Sarah Strauss, Davie Kadyampakeni, Ramdas Kanissery, Tara Wade, Lauren Diepenbrock and Juanita Popenoe Cover crops are specific crops not intended for sale but for soil improvement and sustainability. They are increasingly common in the agricultural fields of the Midwest and other grain-producing regions because of the wide range of benefits not just for the soil, but also the cash …
Using Organic Insecticides for Psyllid Control
Organic insecticides rotated with either spray oil or insecticidal soap provided good Asian citrus psyllid (ACP) suppression in long-term studies in Florida, entomologist Jawwad Qureshi reported recently. Qureshi is a University of Florida Institute of Food and Agricultural Sciences researcher at the Southwest Florida Research and Education Center in Immokalee. Suppression of ACP is important because the pest spreads citrus …
IMG Citrus Adds 4,000-Acre Grove to Portfolio
The future of Florida citrus is bright. IMG Citrus, a family-owned, vertically-integrated citrus grower, packer and shipper in Vero Beach, Florida, announced the acquisition of one of the largest grapefruit groves in St. Lucie County. The 4,000-acre grove increases IMG’s control of citrus land management in Florida by over 75 percent, securing the company’s position as an established citrus leader …
What Makes Good Orange Juice?
Yu Wang says a key element of her job is finding “how to improve the citrus flavor and how to understand consumer likings” of Florida orange juice. Wang is a University of Florida Institute of Food and Agricultural Sciences researcher at the Citrus Research and Education Center in Lake Alfred. “Some of our consumers, they really like that orange flavor; …
Hurricane Irma Raises Black Spot Threat
University of Florida Institute of Food and Agricultural Sciences Extension pathologist and associate professor Megan Dewdney reported that U.S. Department of Agriculture (USDA) scientist Tim Gottwald thinks there’s a “fairly high” chance that Hurricane Irma spread citrus black spot. Black spot had been confined primarily to Southwest Florida, especially Collier and Hendry counties, before Irma hit the state with damaging …