The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is asking Florida fresh citrus growers and packers to complete a brief, anonymous survey about a disorder some call “greasy green.” The symptoms of the disorder are consistent with greasy spot, but a direct causal relationship has not been proven. The disorder may also be related to other possible …
Valencia Grove Design Research Earns Award
Scientists who showed that high-density plantings yield considerably more Valencia oranges, among other findings, have been honored by the American Society for Horticultural Science. Researchers Rhuanito “Johnny” Ferrarezi, Mark Ritenour and Alan Wright won the society’s Outstanding Fruit Publication Award. The University of Florida Institute of Food and Agricultural Sciences researchers work at the Indian River Research and Education Center …
Sparks Attacks Biden Tax Plan
Tax increases proposed by President Joe Biden “would devastate Florida’s citrus industry,” Florida Citrus Mutual CEO Mike Sparks wrote in a recent editorial. The editorial was in The Ledger, a newspaper in Lakeland, Florida. Biden’s proposal would impose a 43% tax on growers when they sell one area of land for another, Sparks stated. Most growers’ assets are in their …
Team Seeks Measures Against HLB
Codex DNA, Inc. has announced a collaboration with researchers from several organizations to identify scalable therapeutic measures against HLB. The multidisciplinary team has been awarded a grant worth nearly $15 million from the National Institute of Food and Agriculture (NIFA) to develop cost-effective and sustainable solutions to the disease. Other collaborators include the U.S. Department of Agriculture’s (USDA) Agricultural Research …
Citrus Expo Offers New Information and Experiences
By Jamie Burrow and Ruth Borger Citrus Expo, hosted by AgNet Media with programming support from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), is being held in person Aug. 18-19 in North Fort Myers. Like in past years, UF/IFAS faculty will be presenting educational sessions on the latest information that growers can use to improve their …
Parson Brown Outperforming Hamlin
Manjul Dutt recently discussed his research on the Parson Brown (PB) sweet orange, which shows some characteristics that could make it more attractive than Hamlin, Florida’s leading early-season orange. Dutt is a University of Florida Institute of Food and Agricultural Sciences horticultural sciences researcher at the Citrus Research and Education Center in Lake Alfred. Dutt’s research, funded by the Citrus …
Citrus Canopy Health Is Highly Important for HLB Tolerance
By Amit Levy and Tripti Vashisth In Florida, where almost all citrus trees are infected with huanglongbing (HLB), it is important to have an easy and reliable method to check the severity of the disease. Each tree responds differently to Candidatus liberibacter asiaticus (CLas), the bacterial pathogen that causes HLB. Compare it to COVID-19, where some people had the virus …
UF/IFAS Expo Booth Improved
Growers have always left the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth at Citrus Expo with much information they can use in the grove. This year, the UF/IFAS citrus staff hopes to make a visit to the booth even more fruitful. “In the past, we have had two large booths and it has had many posters,” …
Alico Gets Higher Prices, Less Fruit
Alico, Inc. received significantly higher prices for its citrus fruit in the 2020-21 harvest season, but had reduced box production and reduced average pound solids per box of fruit. The company’s average blended price for fruit was $2.45 per pound solids (PPS), up 31.7% from the $1.86 PPS it received the prior year. Alico cited “favorable industry supply dynamics” as …
Dundee CUPS Project Awarded
A citrus under protective screen (CUPS) project in Dundee, Florida, has received the 2021 Vanguard Award from the Irrigation Association (IA). The award honors an innovative project in the irrigation industry executed by a team of individuals, companies, organizations or other group entities. Projects chosen for the award exemplify the IA’s mission of promoting efficient irrigation. The partners in …
Citrus History Mystery Solved
How modern citrus developed, particularly the popular mandarin variety, has long been a mystery to citrus breeders. A global partnership of scientists recently unraveled a big part of the mystery by analyzing the genome sequences of 69 East Asian traditional, wild and atypical citrus varieties. One of the researchers was Fred Gmitter, University of Florida Institute of Food and Agricultural …
Grower: Last Season Had Ups, Downs
Vero Beach grower George Hamner reported having better production and size on his fresh market grapefruit and lemon crops in the 2020-21 season than in the prior year. He said grapefruit prices remained steady, similar to the prior year. “Lemons, however, were not as good as previous years because of the loss of food-service business … due to COVID-19,” he …
Snail Management: What Works
By Lauren Diepenbrock In the past few years, several citrus growers have been impacted by yet another non-native pest in their groves. This time it is not an insect or mite; it’s a snail. Bulimulus sporadicus is a relatively new pest to Florida, first found in Duval County in 2009. It has quickly moved throughout much of the state, causing …
CRDF on Plant Breeding and Peptides
Plant breeding, project terminations and peptide discussions dominated the July 27 meeting of the Citrus Research and Development Foundation’s (CRDF) board of directors. CRDF Chief Operating Officer Rick Dantzler provided the following report: PLANT BREEDINGWe continue to believe that plant breeding will ultimately be how we put HLB in the rearview mirror. As a result, we continue to put a …
World Orange and OJ Production to Rise
Worldwide orange and orange juice (OJ) production are projected to climb in the 2020-21 market year, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported recently. ORANGESGlobal orange output for 2020-21 is estimated up 2.5 million tons from the previous year to 48.6 million as favorable weather leads to a larger crop in Brazil (up 7%) and Mexico (up …
Before You Spray
By Matt Smith Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. We often think about pesticide safety and best management practices when we are in the field spraying. You’re outside, you’re …
Expo Focus: ‘What Growers Can Do Now’
Many of the citrus presentations featured on the first day of Citrus Expo, Aug. 18, will focus on “what growers can do now” to keep groves productive, Michael Rogers reports. Rogers, director of the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) Citrus Research and Education Center, offers what he calls “a 30,000-foot view” of the citrus seminar …
Making Sense of Biologicals – Biofertilizers: Improving Nutrition in Citrus Trees
Citrus greening disease appears to be a problem for the foreseeable future for Florida growers. But what if growers could improve nutrition so trees could better cope with the disease? Scientists at Douglas Plant Health believe biofertilizers have that capability. “Think about it from a human health standpoint,” says Marcus Jones, vice president of research and development at Douglas Plant …
Cover Crops Promising, But …
Scientist Sarah Strauss has learned some interesting and promising things about the use of cover crops in Southwest Florida citrus over the past 2.5 years. But the University of Florida Institute of Food and Agricultural Sciences researcher has not yet found that cover crops provide what growers seek most — increased yields. Use of the crops has also not yet …
Sneak Peek: August 2021 Citrus Industry
August brings the biggest issue of Citrus Industry magazine of the year! That’s due to the annual Citrus, Vegetable and Specialty Crop Expo on Aug. 18-19 in North Fort Myers, Florida. The August issue serves as the show guide to the event and includes the seminar schedule, an exhibitor directory and everything attendees need to make the most of the …