Citrus Gets Sasse’s Attention

Josh McGill Citrus, Florida

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Citrus has the attention of new University of Florida President (UF) Ben Sasse. That bodes well for UF’s continued commitment to the industry. Ag TourIt started on June 3, when I took the president on a 28-hour tour of Florida agriculture. It included a stop at the Southwest Florida Research and Education Center in …

march

All In For Citrus Podcast, September 2023

Josh McGill All In For Citrus Podcast

One of the overlooked casualties of tropical storms and hurricanes is field research conducted by scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Research on new varieties, plant treatments and other practices can be upended in a day by a violent storm. That happened to some of Christopher Vincent’s research. The UF/IFAS assistant professor of …

HLB Tools for Today and Tomorrow

Josh McGill Citrus Expo, HLB Management

By Frank Giles and Tacy Callies The Citrus & Specialty Crop Expo hosted two citrus educational sessions during the Aug. 16–17 event held at the Florida State Fairgrounds in Tampa. The sessions included both long-term research aimed at delivering trees resistant to HLB as well as what growers can do today to help mitigate the effects of the disease in …

Sallins Receive John T. Lesley Award

Josh McGill Awards

Florida Citrus Packers recently presented IMG Citrus founders Michel and Veronique Sallin with the organization’s highest recognition, the John T. Lesley Award. The presentation was made at the fresh fruit industry’s annual Citrus Packinghouse Day. The award is for individuals making sustained and outstanding contributions to Florida’s fresh citrus industry. IMG Citrus operates more than 11,000 acres of citrus groves …

Participate in Variety Displays and Field Days

Josh McGill Events, Tip of the Week, Varieties

By Peter Chaires Each year, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeding teams provide opportunities for interested parties to sample fruit from new and recent selections. This is a great opportunity to remain current on research results. Participation from growers, processors, packers, marketers and fruit enthusiasts is desired. Shoppers in produce departments represent a …

Wang Appointed to Graves Eminent Scholar Chair

Josh McGill HLB Management, Research

Citrus researcher Nian Wang has been appointed to the Graves Eminent Scholar Chair in Biotechnology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Wang is a professor of microbiology and cell science at the Citrus Research and Education Center (CREC). He was appointed to the chair because of his work to develop a tree resistant to …

Citrus Harvesting Trends in Florida

Josh McGill Economics, Labor

By Ariel Singerman Harvesting citrus is manual and labor intensive, making the cost of labor a key component of the cost of harvesting. The H-2A guest worker program allows companies to temporarily hire non-U.S. citizens to perform agricultural labor or services of seasonal nature. Given that domestic workers for harvesting are in short supply, harvesting companies in Florida (and other …

Highlights From Citrus Packinghouse Day Presentations

Josh McGill Events, Packing

Trunk injection for HLB, diplodia stem-end rot (diplodia SER) and citrus under protective screen (CUPS) were among topics addressed at the recent Citrus Packinghouse Day. The event took place at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC). TRUNK INJECTION FOR HLBTrunk injection of oxytetracycline (OTC) increases tree health, fruit quality …

Transgenic Efforts Against HLB

Josh McGill Breeding, HLB Management, Research

Matthew Mattia recently provided an overview of work at the U.S. Department of Agriculture Agricultural Research Service (USDA ARS) transgenic test site in Fort Pierce. Transgenic refers to an organism that contains genetic material into which DNA from an unrelated organism has been artificially introduced. Scientists at the Picos Farm screen transgenics for suppression of citrus Candidatus Liberibacter asiaticus (CLas), …

Prevent and Recover From Hurricane Damage

Josh McGill hurricane, Tip of the Week

By Christopher Vincent, Tripti Vashisth and Gillian Zeng Michalczyk Hurricane Ian harmed citrus trees in much of Florida, especially in areas where sweet oranges are grown. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are tracking the health of trees in groves around the state as they struggle to recover. Fall applications of gibberellic acid before the storm …

Diaprepes root wevil

Diaprepes Root Weevil Update for Florida

Josh McGill Pests

Florida’s populations of Diaprepes abbreviatus root weevil have been uncharacteristically low so far in 2023, entomologist Lauren Diepenbrock reported recently. The adult pests are normally active in April–May and in the fall, the University of Florida Institute of Food and Agricultural Sciences assistant professor noted. Prior to the discovery of HLB disease in Florida in 2005, growers who had extensive …

Sneak Peek: September 2023 Citrus Industry

Josh McGill Citrus Expo, nursery, Sneak Peek

The Florida citrus industry has seen more than its fair share of challenges and changes in recent years. But through it all, Brite Leaf Citrus Nursery has been a constant positive presence. This is due to strong leadership from Nate and Anna Jameson and their ability to adapt to changing times. The Florida Department of Agriculture and Consumer Services recently …

Soil Moisture Sensors Improve Irrigation

Josh McGill Irrigation, Technology, Tip of the Week

By Davie Kadyampakeni, Sandra M. Guzmán and Ajia Paolillo Using soil moisture sensors for irrigation scheduling can reduce water stress in citrus trees. Sensors that are easy to calibrate and maintain, specifically designed for managing irrigation and fertigation on Florida’s sandy soils, are the preferred choice. These tools enable growers to use their water resources wisely and efficiently. There are …

The Status of Citrus Canker in Georgia

Josh McGill Diseases, Georgia

Citrus canker was found for the first time in Georgia this past season. Unfortunately, it may be here to stay. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, talked about the disease during a citrus meeting in Valdosta, Georgia, on Aug. 9. He emphasized that Georgia producers may have to learn to live with the disease …

Brown Rot Could Be on the Horizon for Florida

Josh McGill Diseases, Tip of the Week

By Megan Dewdney It is summer in Florida, and the early fruit are maturing. This is always a risky time for brown rot in early sweet oranges and grapefruit cultivars. The summer rains have been happening, but they have been intermittent depending on location. This means that phytophthora propagule counts may vary depending on how much rain has occurred in …

April

All In For Citrus Podcast, August 2023

Josh McGill All In For Citrus Podcast, HLB Management

With the trunk-injection season winding down in Florida groves, growers anxiously await to see positive results in HLB-infected trees. Two oxytetracycline (OTC) products have been approved for use in Florida citrus as HLB treatments. A third OTC formulation expects Environmental Protection Agency approval soon. Trunk-injection treatments are the focus of the latest All In For Citrus podcast. Michael Rogers, director …

Doubling Down on CRISPR Research

Josh McGill Breeding

By Michael E. Rogers We have all been waiting (and waiting some more) for new varieties to be developed that are resistant to HLB. Ten years ago, researchers thought they were really close to having new HLB-resistant varieties developed using gene-editing CRISPR technology. But as science goes, the story was much more complicated than first believed. A single edit to …

Connecting Research for Better HLB Management Results

Josh McGill HLB Management, Research, Tip of the Week

By Megan Dewdney To make informed management decisions, growers need to know about and understand the findings from huanglongbing (HLB) research that are currently available. However, the delivery of research results to growers is often fragmented, and results can be difficult to find. Furthermore, what information and conclusions are available to growers from projects or scientific journals can be highly …

Citrus Packinghouse Day Is Aug. 24

Josh McGill Events, Packing

Topics of interest to Florida’s fresh citrus industry will be addressed at Citrus Packinghouse Day on Aug. 24 in Lake Alfred. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. The free event in Ben Hill Griffin Hall will include an educational program, exhibitors and networking opportunities. …

The Benefits of Growing Citrus on UV-Metalized Reflective Mulch

Josh McGill HLB Management, Research

By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …