Smelling Huanglongbing for Early-Detection

Josh McGillCitrus Greening

Another early-detection method being developed works by smelling huanglongbing infections in trees. This method detects the different scents plants give off. Researchers at the University of California, Davis have created a test that could lead to advances in fighting huanglongbing (HLB) disease in citrus. Researcher and professor of mechanical and aerospace engineering, Christina Davis, said the test looks for a … Read More

Solace Found in Initial Citrus Crop Forecast

Josh McGillCrop Forecast

A bit of weight was lifted off of Florida citrus growers’ shoulders after hearing the U.S. Department of Agriculture’s initial 2016–17 Florida citrus crop forecast that calls for 70 million boxes of oranges. Citrus industry members gathered at Florida Citrus Mutual’s Political Action Committee Clay Shoot and Crop Estimate Luncheon to hear the live forecast from Southeast AgNet. The event, … Read More

2016 Citrus Expo Presentations Now Available Online

Josh McGillCitrus Expo

Every year, the Citrus Expo seminar program provides a wealth of new research information for growers. Thanks to the University of Florida/Institute of Food and Agricultural Sciences, much of the information from the 2016 Citrus Expo program can now be found online. PowerPoint presentations from nearly all the speakers can be found on the Citrus Expo website made available through … Read More

Hurricane Preparedness

Josh McGillWeather

dorian

By Bob Rouse and Mongi Zekri Little can be done to protect trees and fruit from hurricane velocity wind, but we can take steps to protect the people, equipment and supplies that will be needed for the recovery. Below is a checklist for citrus grove managers. Pre-Hurricane Preparation Checklist Personnel assignments: 1. Make a list of all tasks and make … Read More

Guest Workers: Past, Present and the Future

Josh McGillLabor

By Gülcan Önel and Derek Farnsworth The U.S. agricultural sector has a long history of dependence on foreign workers, and the Florida citrus industry is no exception. Even though mechanical harvesting systems saw increased usage between 1999 and 2006, the discovery of citrus greening in 2005 and its subsequent spread across Florida virtually eliminated mechanical harvesting efforts by 2015 in … Read More

Jim Graham Awarded Researcher of the Year

Josh McGillWater

Jim Graham, soil microbiologist for the University of Florida’s Institute of Food and Agricultural Sciences, was recognized at the 73rd annual Florida Fruit and Vegetable Association (FFVA) convention for his years of service to the industry. Graham was named FFVA Researcher of the Year at the association’s award luncheon. His recent research has led to some major discoveries on the … Read More

Texas Citrus: Fruit Flies and Other Pesky Problems

Josh McGillGrapefruit

florida citrus

By: Ernie Neff  Mexican fruit flies were a major nuisance to Dale Murden this spring. “As a fresh fruit grower in south Texas, I have to say Mexican fruit fly is our biggest worry,” the citrus grower and president of Texas Citrus Mutual said. The fruit flies infested Texas’ three-county (Cameron, Hidalgo and Willacy) citrus industry in November 2015, prompting … Read More

Rules of the Road for Transporting Farm Workers

Josh McGillCitrus

By Carlene Thissen, Mike Bayer and Fritz Roka The U.S. Department of Labor classifies anyone who for a fee “solicits, recruits, furnishes, hires, employs, houses, and/or transports” seasonal and migrant farm workers as a farm labor contractor (FLC). This article provides an overview of the rules and responsibilities that agricultural employers must keep in mind when driving workers to their … Read More

Pruning to Rehabilitate HLB-Affected Sweet Orange Trees

Josh McGillCitrus

By Tripti Vashisth and Troy Gainey In the last 11 years, Florida orange production has declined more than 60 percent. This dramatic reduction in yield is attributable to multiple causes, including loss of citrus acreage in the state, citrus canker and other diseases, but huanglongbing (HLB) is now recognized as the primary reason for declining citrus yields. HLB-affected trees are … Read More

Evaluation of HLB Treatments

Josh McGillCitrus Greening

By Stephanie Slinski Evaluating how well bactericides, nutritional programs or other treatments work against HLB can be difficult. Symptoms are not uniform between trees in a grove, and tree health fluctuates throughout the season, which may give the appearance of an effect. Rigorous field trials are the best way to test new treatments, but not every treatment program can be … Read More

New Knowledge on Citrus Black Spot

Josh McGillCitrus

By Megan Dewdney, Jeff Rollins, Nan-Yi Wang and Ke Zhang Citrus black spot (CBS) has become established in the groves of Collier and Hendry counties. In other citrus-growing regions of the world where CBS is present, the sexual fruiting bodies of the fungus, known as pseudothecia, form in decomposing leaf litter. Approximately 50 to 180 days following leaf drop, the … Read More

Injecting Citrus Tree Trunks with Bactericide May Help Stem Greening

Josh McGillCitrus

By: Brad Buck GAINESVILLE, Fla. — A chemical treatment known as a bactericide could help preserve citrus trees from the potentially deadly and costly greening disease, a new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study shows. Citrus is estimated as a $10.9 billion-a-year industry in Florida and the finding could be key to helping the state’s … Read More

What to Expect from Brazil’s Next Citrus Season

Josh McGillGlobal Perspectives

By Marcos Fava Neves The first crop estimate was released in May for the 2016–17 citrus season in Brazil, which should be of great interest to Florida’s citrus industry. ACREAGE AND AGE The area of orange groves in Brazil, including all varieties, is 416,843 hectares (ha) —6.2 percent smaller than the 2015 figure. There was a considerable reduction of 27,882 … Read More

Bactericide Survey Results Summary

Josh McGillBactericides, Citrus Greening

By Stephanie Slinski and Harold Browning (Editor’s note: Click on the graphs throughout the article to enlarge them.) Bactericides have been available to growers as a new tool to improve the health of HLB-infected trees since early March 2016. This use has been under a crisis declaration from the Florida commissioner of agriculture, but on August 15 of this year, … Read More

California Citrus Challenges: Water Tops HLB

Josh McGillCitrus

Asian citrus psyllids are detected sporadically in the San Joaquin Valley — home to most California oranges and mandarins — and are endemic in Southern California lemon country. But as far as anyone knows, the pests that spread HLB in Florida and Texas have not spread the disease into California’s commercial citrus groves. California HLB detections have been limited to 17 … Read More

Editorial: Florida’s Controversial Algae Bloom

Josh McGillCitrus

Comments from AgNet Media’s Gary Cooper and a Guest Commentary from a Former Florida Lawmaker As a Florida native having grown up on a small farm in eastern Palm Beach County, I’ve had firsthand knowledge of South Florida’s algae blooms for decades. As a professional journalist dedicated to the ag news beat in Florida for nearly 40 years, and having … Read More

World Growth and the Drop in Orange Juice Production

Josh McGillCitrus, Global Perspectives

Global Perspectives

By Marcos Fava Neves Editor’s Note: Welcome to Citrus Industry magazine’s newest column, Global Perspectives, authored by Marcos Fava Neves, an international expert on global agribusiness issues who comes from a family of farmers and is a worldwide defender of agriculture. As a professor of planning and strategy at the School of Business at the University of São Paulo, Neves … Read More

Help Fight HLB, Take the Bactericide Survey

Josh McGillBactericides, Citrus Greening

The Citrus Research and Development Foundation (CRDF) has selected AgNet Media, owner of Citrus Expo and Citrus Industry magazine, to administer a grower survey on bactericide use. CRDF is asking that all Florida citrus growers participate in the survey so that the industry can gain a better understanding of how these products are being used against HLB. Three commercial bactericide … Read More

Letter to the Editor: Pete Spyke

Josh McGillCitrus

By: Pete Spyke President of Arapaho Citrus Management, Inc. Bill Castle’s recent Letter to the Editor (see January 2016 Citrus Industry) called for our industry to engage in dialogue about HLB that is different from our usual kinds of communication. It seems that a good place to start may be with new varieties and rootstocks. Unless we increase the productive … Read More

Sneak Peek: June Citrus Industry Magazine

Josh McGillCitrus

The June issue of Citrus Industry magazine is coming soon. This edition is all about citrus beyond the Sunshine State. Readers will notice a new column in the magazine, called Global Perspectives, authored by a Brazilian citrus expert, Marcos Fava Neves. Ernie Neff, senior correspondent at large, examines the citrus industries in California and Texas. His articles include both challenges … Read More