Update on Culturing of the Citrus Greening Bacterium

Tacy Callies HLB Management, Research

By Nabil Killiny, Anders Omsland, Haluk Beyenal and David R. Gang The suspected causative agent of citrus greening disease, Candidatus Liberibacter asiaticus (CLas), is one of many plant pathogens that has not been isolated and grown in pure culture. One major reason for this is its small genome size; it is missing the genes for several metabolic pathways critical for …

Landscape Fabric Blocks Diaprepes Larvae

Ernie Neff Pests

Fabric mulch landscape covers, typically used to block weeds in nurseries, can aid in diaprepes root weevil control, Larry Duncan reported at the recent Citrus Expo. “Some of these products, not all of them, are extremely effective at blocking the diaprepes weevil larvae from getting into the soil” after falling from a citrus tree, Duncan said. Duncan is a University …

citrus

Hurricane Preparation and Recovery: Key Points

Ernie Neff All In For Citrus Podcast, hurricane

Multi-county citrus Extension agent Ajia Paolillo recently suggested ways to prepare for and recover from a hurricane. Hurricane season began June 1 and ends Nov. 30. Paolillo said hurricane activity is usually most prevalent from August to October. She cited an August update from the National Oceanographic and Atmospheric Administration predicting 15 to 21 tropical storms this summer, with 7 …

Incentive for Early-Orange Plantings

Ernie Neff CRAFT

Growers who participate in the upcoming Cycle III of the Citrus Research and Field Trial (CRAFT) program will be offered an additional $1,000-per-acre incentive to plant early-season oranges. Tamara Wood, CRAFT executive director and program manager, announced the incentive during an Aug. 31 CRAFT Cycle III workshop. CRAFT pays Florida growers to plant trees on which they will conduct commercial …

Irrigation Aided by Thermal Imaging

Ernie Neff Irrigation

Scientists in Brazil and Florida found that the direct examination of plant canopy temperature can assist in optimizing citrus irrigation management in greenhouses. The researchers were Gustavo Haddad Souza Vieira with the Federal Institute of Espírito Santo in Brazil and Rhuanito “Johnny” Ferrarezi with the University of Florida Institute of Food and Agricultural Sciences. Their study aimed to develop a …

strategy

Pest Prompts Revised Import Requirements

Ernie Neff Pests, Trade

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) on Aug. 20 revised the entry requirements for citrus fruit from the Districts of Riverina and Sunraysia in Australia. According to APHIS, the revision is necessary because both Riverina and Sunraysia no longer meet the requirements to be considered fruit fly-free areas for Queensland fruit fly (Bactrocera tryoni). …

Sneak Peek: September 2021 Citrus Industry

Tacy Callies Sneak Peek

The September issue of Citrus Industry magazine largely focuses on two topics: nutrient management research and highlights from the return of the in-person Citrus Expo. NUTRITION RESEARCHSeveral features authored by University of Florida Institute of Food and Agricultural Sciences authors share the latest strategies for improving nutrition of citrus trees. Yiannis Ampatzidis and Ute Albrecht discuss the newest technologies that …

E-commerce and Social Media Lead Citrus Marketing

Ernie Neff Marketing

Two reports that a Florida Department of Citrus (FDOC) marketing executive presented recently show that social media and e-commerce have become major, effective tools for marketing citrus and other products. FDOC Director of Global Marketing Samantha Lane told the Florida Citrus Commission on Aug. 25 that the FDOC’s 2021-22 e-commerce campaign has so far driven more than $2.3 million in …

USDA Expands Citrus Imports From Australia

Ernie Neff Trade

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) is expanding the production areas in Australia from which fresh citrus fruit may be shipped to the United States. It is also revising the conditions under which citrus from Australia may be imported. Currently, imports of fresh citrus fruit are allowed into the United States from the Riverina …

Mutual Petitions FDA Regarding OJ Brix

Ernie Neff Orange Juice

Florida Citrus Mutual (FCM) is making efforts to protect growers in the event Florida oranges don’t meet the minimum Brix requirement for not-from-concentrate (NFC) orange juice (OJ). FCM recently sent a formal request to the U.S. Food and Drug Administration (FDA) seeking enforcement discretion to protect growers from the likely contingency that Florida’s 2021-22 orange crop may not meet FDA’s …

How to Work With UF/IFAS for a Rootstock Trial

Tacy Callies Rootstocks, Tip of the Week

By Bill Castle The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) plant improvement team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are limited in number. Thus, most …

Making Sense of Biologicals: A Key Tool Against Citrus Canker

Tacy Callies MSOB

Disease management ranks high on the list of every Florida citrus grower’s agenda. Tools are available for producers to combat citrus diseases like greasy spot, melanose, scab, foot rot and citrus canker. But growers can never have enough tools, especially when disease resistance is a real possibility in the future. STOCKING THE TOOLBOX“To grow citrus trees and produce quality fruit …

Gladstone Buys Florida Groves

Ernie Neff Industry News Release

Gladstone Land Corporation announced that it acquired two lemon and orange groves, totaling 617 acres, in South Florida for approximately $5.2 million. In connection with the acquisition, it entered into a 12-year leaseback agreement with the seller. The organization did not respond to a request for information about the seller or the location of the groves. “We are excited to …

Will Georgia Fruit Have a Home?

Tacy Callies Georgia

Citrus acreage in Georgia continues to increase. While it didn’t double like it did in 2020, it still increased by 50%, says Jake Price, University of Georgia Lowndes County Extension coordinator. During a citrus growers’ summer update meeting on Aug. 25 in Lowndes County, Price said that Georgia’s citrus acreage has ballooned to 2,700 acres in 46 counties. The state …

PIECES OF THE PAST: Advice From 1887

Tacy Callies Pieces of the Past

By Brenda Eubanks Burnette In researching the biographies for an upcoming book on the Florida Citrus Hall of Fame members, I came across a digitized book by Google online that was written in 1887. It’s titled “Florida Facts Both Bright and Blue: A Guide Book to Intending Settlers, Tourists, and Investors From a Northerner’s Standpoint; Plain Unvarnished Truth, Without ‘Taffy’; …

Citrus Exports Face Challenges

Ernie Neff Export

Canker protocols in the European Union (EU) and difficulties transporting fruit to Asia are among problems hampering Florida’s fresh citrus exports, Dan Richey told participants during the recent virtual Packinghouse Day. Richey, of Riverfront Packing Company, is heavily involved in international trade issues on behalf of Florida’s citrus industry. The canker protocols that the EU has imposed for accepting Florida …

Missed Expo? You Can Catch Up!

Ernie Neff All In For Citrus Podcast, Citrus Expo

If you missed Citrus Expo Aug. 18-19 and the great production information available at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth, you can now access it online. Posters and videos that were available at the booth are now on the UF/IFAS Citrus Research website. Click on “Presentations,” then “Citrus Expo Presentations,” then “2021 Citrus Expo.” …

texas

Canker Eradication Efforts Underway in Texas

Ernie Neff Diseases

The Asiatic A strain of citrus canker was recently found in the Upper Gulf Coast area of Texas, posing a significant threat to the state’s commercial citrus production. The U.S. Department of Agriculture (USDA), the Texas Department of Agriculture and the Texas A&M University-Kingsville Citrus Center are collaborating on surveys to detect the disease. They are also removing and properly …

IPCs Help With Diaprepes and Nematodes

Ernie Neff Pests

Florida citrus growers have known for several years that individual protective covers (IPCs) do a good job of excluding HLB-spreading Asian citrus psyllids from young trees. “But those protective covers also protect from things like Diaprepes abbreviatus,” researcher Larry Duncan told the recent Citrus Expo audience. Duncan is a nematologist at the University of Florida Institute of Food and Agricultural …

Safety Tips for Flying Drones

Ernie Neff Safety

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 …