Safety Tips for Flying Drones

Ernie NeffSafety

Some people view drones as toys, but they can be dangerous. In fact, about 1,000 people per year are injured from using drones incorrectly. To address the potential peril, two University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are offering ways to keep people from getting hurt while using drones. Yiannis Ampatzidis of UF/IFAS uses unmanned aerial …

grapefruit

Gmitter Earns High Honor

Ernie NeffAwards

Fred. G. Gmitter Jr. has been named a 2021 Fellow by the American Society for Horticultural Science (ASHS). Gmitter is a professor of horticulture and a citrus breeder at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred. Being recognized as a Fellow is the ASHS’ highest honor. Fellows …

Where to Find Information About Citrus Research

Tacy CalliesTip of the Week

By Ruth Borger Sometimes when it comes to information shared by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty, Florida citrus growers may suffer from information overload. There is a lot of good, solid, useful information that growers can use immediately to improve their operations. But how do you sift through it all, and where do you …

Dantzler Still Optimistic Regarding HLB

Ernie NeffCitrus Expo, HLB Management

Citrus Research and Development Foundation (CRDF) Chief Operating Officer Rick Dantzler told a Citrus Expo crowd why he remains optimistic regarding HLB, even in the face of negative industry trends. Dantzler, who started at CRDF on the first day of Citrus Expo three years ago, declared, “I am more optimistic than ever. It is taking longer than I thought, but …

citrus

All In For Citrus Podcast, August 2021

Tacy CalliesAll In For Citrus Podcast, hurricane

This month’s All In For Citrus Podcast gives growers valuable advice for dealing with hurricanes and tropical storms. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) team describes how to prepare for and recover from these weather events, as well as the impacts they can have on Florida’s economy. Before getting to the information about storms, the …

Controlling Diplodia Stem-End Rot Before Harvest

Tacy CalliesDiseases

By Mark A. Ritenour, Jiuxu Zhang, Liliana M. Cano and Megan M. Dewdney The decay of fresh citrus fruit in Florida is usually caused by fungal pathogens that grow and develop in the hot and wet conditions typical to the state. While green and sometimes blue Penicillium molds and sour rot can cause Florida fruit to decay, the subtropical conditions …

Yield Predictions Improved by AI

Ernie NeffTechnology

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are using artificial intelligence (AI) to help citrus growers better forecast their seasonal yield. A preliminary study showed that the AI technology predicts yields with 98% accuracy. That’s way better than the 75% to 85% accuracy growers get when they count trees manually, said Yiannis Ampatzidis, UF/IFAS associate professor …

IRREC Student and Researcher Honored

Ernie NeffAwards

A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) doctoral student and the researcher who oversees his work have received awards from the American Society for Horticultural Science (ASHS). Student Lukas Hallman won the first Graduate Student Scholars Award. Researcher Lorenzo Rossi received the Professional Early Career Award. Both are at the UF/IFAS Indian River Research and Education …

Optimizing Macronutrients and Micronutrients

Tacy CalliesNutrition, Tip of the Week

By Davie Kadyampakeni Nutrients are needed for optimal tree growth, fruit yield and juice quality. Any nutrient deficiencies could result in low yields and decreased revenue. It is important to make sure citrus trees always receive adequate nutrient supplies. Nutrients are categorized into two groups: macronutrients and micronutrients. MACRONUTRIENTSMacronutrients are those nutrients needed in large quantities to influence yield, growth …

Chilli Thrips a Potential Problem in CUPS

Tacy CalliesAll In For Citrus Podcast, CUPS, Pests

A modified way of producing citrus in Florida to protect against the Asian citrus psyllid may provide shelter for another pest — chilli thrips. Citrus under protective screen (CUPS) production systems protect against the psyllid and the huanglongbing (HLB) disease the pest transmits. However, according to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock, the …

Assessing Spatial Patterns of Individual Protective Covers

Tacy CalliesIPCs

By Fernando Alferez, Ozgur Batuman, Susmita Gaire, Ute Albrecht and Jawwad Qureshi In previous and ongoing research performed at the Southwest Florida Research and Education Center (SWFREC), we have demonstrated that individual protective covers (IPCs) are effective in keeping psyllids off newly planted citrus trees. Trees have been HLB-free for more than two years after planting, and the IPCs provide …

Grower: Young Trees Look ‘Outstanding’

Ernie NeffProduction

In the face of production declines, pest issues and other challenges, multi-county Florida citrus grower David Wheeler of Wheeler Farms found something positive to report. “One bright spot is the health of our young trees,” he said. “They look outstanding and have been on a good program with a rotation of insecticides.” Wheeler Farms’ more mature citrus trees aren’t doing …

crop forecast

Help Trees Handle Heat

Tacy CalliesAll In For Citrus Podcast, Weather

Florida citrus production can be significantly impacted during the summertime heat. High temperatures with little to no rainfall can affect trees’ vegetative growth, fruit set and fruit quality, says Amir Rezazadeh, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county fruit and field crops agent. Heat is a factor that can cause citrus trees to become significantly dehydrated. …

dorian

Hurricane Risk Dips Slightly

Ernie NeffForecast, hurricane

Colorado State University (CSU) hurricane researchers on Aug. 5 slightly reduced the number of storms and hurricanes they expect in the 2021 Atlantic hurricane season. The researchers reduced the number of expected storms to 18, down from 20 in the July forecast. The number of expected storms is now the same as CSU projected in June. As for the expected …

HLB and Citrus Nutrition

Ernie NeffHLB Management, Nutrition

Tripti Vashisth shared results of research into nutrition needs of citrus trees with HLB during a recent virtual educational program sponsored by the Citrus Research and Development Foundation and Florida Citrus Mutual. Vashisth is a University of Florida Institute of Food and Agricultural Sciences horticulturist at the Citrus Research and Education Center in Lake Alfred. Here are a few key …

Lake County Citrus Label Tour Kicking Off

Ernie NeffHistory

Florida’s Lake County Historical Society will kick off the Lake County Citrus Label Tour with dedication ceremonies at 12 locations in nine cities Aug. 23-26. This informative driving tour is steeped in the history of the county’s citrus industry. At each of 12 locations on the tour, large two-sided signs will each feature two antique citrus label reproductions. For 60 …

Grower Input Wanted on ‘Greasy Green’ Disorder

Ernie NeffDiseases

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

Ernie NeffAwards

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

Ernie NeffLetter to the Editor

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

Ernie NeffHLB Management, Research

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 …