Controlling ACP and Other Pests as Critical as Ever

Tacy Callies Citrus Greening

By Jawwad A. Qureshi and Philip A. Stansly More than a decade has passed since 2006, when huanglongbing (HLB) or citrus greening disease was identified in Florida. By then, the disease had already spread widely and went unrecognized due to high psyllid populations and a disease incubation period of months or years between infection and symptom expression. Nevertheless, management of …

Greening

New Peace River Executive Discusses Citrus Issues

Ernie Neff Citrus Greening, Research, Water

Steve Smith became executive director of the Peace River Valley Citrus Growers Association (PRVCGA) in early March. He discusses some of the issues the association will address. “Obviously the research is a major focus right now with greening. That’s at the top of everybody’s list, trying to find some solutions.” Water issues historically have been a major focus for the …

Highlights from the International HLB Conference

Ernie Neff Citrus Greening, HLB Management

Harold Browning, chief operations officer at the Citrus Research and Development Foundation (CRDF), provides an overview of activities at the recent International Research Conference on HLB held in Orlando. The conference was hosted by Florida Citrus Mutual, with much assistance from CRDF. “There were nearly 500 participants from 24 countries” including for the first time scientists from Cuba, Browning reports. …

The Texas Psyllid/HLB Experience

Ernie Neff Citrus Greening, HLB Management

John da Graca, director of the Texas A&M University Kingsville Citrus Center in Weslaco, was among hundreds attending the International Research Conference on HLB March 15-17 in Orlando. He summarizes the Texas industry’s experience with HLB and the Asian citrus psyllids that spread the disease. “Psyllids arrived (in Texas) about 2001,” da Graca says. “At the time it wasn’t seen …

Safeguarding Citrus Stock

Tacy Callies Citrus Greening, Regulation

By Georgios Vidalakis On March 30, 2007, I received a memorable phone call in my office at the University of California (UC), Riverside. “Georgios,” said the caller, “The 2008 Farm Bill will establish the National Clean Plant Network (NCPN) for specialty crops. This program will be like no other because it will be driven from the ground up. The system …

HLB, breeding

An Update on Breeding Against HLB

Ernie Neff Citrus Greening, Genetic Engineering, HLB Management

University of Florida researcher Jude Grosser recently discussed a broad range of research aimed at mitigating the effects of HLB during an OJ Break in Sebring. Among topics he covered are the possibility of windbreaks that kill HLB-spreading Asian citrus psyllids, and progress on trees that are HLB resistant or tolerant. Regarding psyllid-killing windbreaks, he says, “We do have a …

HLB

Pathologist to Tackle HLB and Other Diseases

Ernie Neff Citrus Greening, HLB Management, PFD

Ozgur Batuman, a new citrus plant pathologist at the Southwest Florida Research and Education Center, discusses the diseases he’ll work on. “I am planning to of course tackle some of the more pressing issues that citrus growers are facing these days, one of them being huanglongbing (HLB), and confronting its vector, Asian citrus psyllid,” he says. He will also research …

bactericides survey

‘It’s Not a Pretty Picture,’ Industry Leader Tells State Senators

Ernie Neff Citrus Greening, Legislative

On February 21, leaders of three key Florida citrus organizations acquainted the Florida Senate’s Agriculture Committee with the issues facing the citrus industry. They summarize their presentations: “It’s not a pretty picture,” says Florida Citrus Mutual CEO Mike Sparks. He describes the huge production losses and increased costs that HLB disease has created. “Right now our whole future revolves around …

Micronutrients

Micronutrients for Root Health and HLB

Ernie Neff Citrus Greening, HLB Management, Nutrition

University of Florida researcher Jude Grosser, best known for his work on citrus breeding, has become a champion of micronutrients to improve root health and battle HLB. At a recent Highlands County OJ Break, he discussed the use of micronutrients, including why he got involved. “I guess just like any farmer, you don’t like watching your plants get sick and …

Continuing a Legacy of Leadership

Tacy Callies Citrus, Citrus Greening, Citrus Health Management Areas, Regulation

By Tacy Callies Callie Walker comes from a long line of Florida farmers. In 1875, her family set up homestead in Alva. Her father, uncles, grandfather and great-grandfather have been involved in a diversity of agricultural fields including citrus, cattle, sugar cane, vegetables and row crops. “My dad and his three brothers still run the family operation — citrus and …

Effective and Economical Psyllid Spray Programs

Tacy Callies Citrus, Citrus Greening, HLB Management

By Phil Stansly Effective control of Asian citrus psyllid (ACP) has been a challenge for many Florida growers these last two years. Possible explanations include warmer, wetter weather in winter, fewer insecticide sprays being applied and a possible increase in insecticide resistance. There is little doubt that weather-induced flush the last two winters has provided extra food and refuge for …

HLB

Bayer and CRDF Explore Partnership Possibilities

Ernie Neff Bactericides, Citrus Greening, HLB Management

Bayer CropScience on January 24 told the Citrus Research and Development Foundation (CRDF) board about its proposed long-term efforts to find solutions to HLB. Bayer seeks CRDF funding for the effort, but the funding amount was not publicly discussed at the January meeting. CRDF Chief Operations Officer Harold Browning summarizes the discussions. “We’re looking at how to take bigger steps …

A Holistic Approach to Production

Tacy Callies Citrus Greening, PFD

By Owen “Sonny” Conner EDITOR’S NOTE: Citrus Industry magazine is providing a platform for growers to express their experiences and share their stories as we unite in the quest to fight HLB and bring the citrus industry back to a healthy condition. The views stated in this article are those of the author and do not represent those of AgNet …

FDOC

Hancock on HLB: ‘I Think We’re Winning a Few Battles’

Ernie Neff Citrus Greening, HLB Management

Ned Hancock, a citrus grower and Florida citrus commissioner, shares thoughts about HLB, including the lack of consumer awareness of the disease and how growers are coping. At the Florida Citrus Commission meeting on January 18, the Florida Department of Citrus staff reported that only 1 percent of American consumers are aware of HLB. Hancock says he would have been …

citrus greening

USDA Invests in Citrus Greening Research

Daniel Cooper Citrus Greening, Industry News Release

The U.S. Department of Agriculture’s (USDA) National Institute of Food and Agriculture (NIFA) today announced four grants totaling more than $13.6 million to combat a scourge on the nation’s citrus industry, citrus greening disease, aka huanglongbing. The funding is made possible through NIFA’s Specialty Crop Research Initiative Citrus Disease Research and Extension Program, authorized by the 2014 Farm Bill. Sponsored …

Fast Track

Grower/Nurseryman Suggests Fast Track Changes

Ernie Neff Citrus Greening, Rootstocks, Scions

Nurseryman and citrus grower Phil Rucks was one of several industry members offering input on the Fast Track program on January 5 at the Citrus Research and Education Center in Lake Alfred. Fast Track lets citrus growers and nurseries access experimental University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) fresh citrus selections much earlier than was previously possible. Among …

HLB

How Negative Results in HLB Research Can Help Growers

Ernie Neff Citrus Greening, HLB Management

“Everyone wants to see positive results when we do a test” to see if something helps battle HLB, says Harold Browning, chief operations officer of the Citrus Research and Development Foundation. But, he adds, “not everything we test … is going to be able to solve this problem for us, though it may contribute in a small way.” He made …

CRDF Panel Considers a “One-Two Punch” at HLB

Ernie Neff Citrus Greening, HLB Management

A panel of the Citrus Research and Development Foundation (CRDF) in December discussed combining thermotherapy and bactericides in field trials in an effort to fight HLB. Most Florida growers used bactericides throughout 2016, and several growers have experimented with thermotherapy over the last few years. CRDF Chief Operations Officer Harold Browning discusses the concept of combining the two HLB therapies: …

UF Researcher Discusses HLB-Tolerant Scions

Ernie Neff Citrus Greening, Scions

University of Florida researcher Jude Grosser told growers about new HLB-tolerant scions at this summer’s Citrus Expo. He summarizes his discussion in this report. “Without question, the most tolerant scion that we have is a fresh market tangelo that we call Sugar Belle,” Grosser says. “It’s very similar to Minneola, but matures a little bit earlier and so it can …

microbes, HLB

Results of Microbial Soil Amendments in HLB-Infected Grove

Ernie Neff Citrus Greening, HLB Management

Approximately 40 people trekked into a Premier Citrus Management grove in Saint Lucie County on December 6 to learn that microbial soil amendments haven’t increased yields in an HLB-infected grove. Daniel Bott, Premier Citrus division manager for approximately 5,000 acres, including the trial site off Indrio Road, comments on the results. “There seems to be some differentiation between the products,” …