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

Ernie NeffCitrus Greening, HLB Management

HLB, greening disease

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 … Read More

Citrus Greening, Invasive Species Head 2016 UF/IFAS Stories

Daniel CooperCitrus, HLB Management, Industry News Release

growers

A trio of projects aimed at helping Florida producers cope with the bacterial disease known as citrus greening topped the list of stories shared by the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) in 2016. This year marked the beginning of the state’s second decade battling greening disease, which is also known as huanglongbing or HLB. Other top … Read More

How Negative Results in HLB Research Can Help Growers

Ernie NeffCitrus Greening, HLB Management

HLB

“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 … Read More

Citrus Grower Goes Undercover

Tacy CalliesHLB Management

Ed Pines’ solution to citrus greening is to grow fruit in a citrus undercover production system. By Catalina Pines “It’s said that necessity is the mother of all invention, and today I toured one way the citrus industry is fighting back against greening,” said Florida Commissioner of Agriculture Adam Putnam on Twitter after touring Precision Citrus on September 23. In … Read More

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

Ernie NeffCitrus 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: … Read More

Update on Approval of Bactericides for HLB

Ernie NeffBactericides, HLB Management

HLB

Many Florida citrus growers consider the bactericides that they’ve been applying this year to be their best hope in the fight against HLB. Temporary use of the bactericides was approved this spring by Florida Commissioner of Agriculture Adam Putnam. The industry is seeking Environmental Protection Agency (EPA) approval for continued use of the products. Harold Browning, chief operations officer of … Read More

Researcher: Well-Managed Trees Can Do OK with HLB

Ernie NeffHLB Management

Although a field trial indicates that microbial soil amendments didn’t seem to help trees with HLB, the trial project manager sees a take-home message for growers. That message is that “well-managed trees can continue getting along OK,” says Jim Syvertsen, a scientist with the Citrus Research and Development Foundation. Syvertsen summarizes results he presented at a recent field day in … Read More

Results of Microbial Soil Amendments in HLB-Infected Grove

Ernie NeffCitrus Greening, HLB Management

microbes, HLB

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,” … Read More

Update on Bactericide Trials

Ernie NeffBactericides, Citrus Greening, HLB Management

A Citrus Research and Development Foundation (CRDF) researcher provided an update on grower trials of bactericides for HLB to the CRDF’s Commercial Product Delivery Committee on December 5. CRDF Chief Operations Officer Harold Browning summarizes the report. “Most of the metrics that we’re most interested in are coming up as we go into harvest,” Browning says. “The true test of … Read More

Update on $9 Million NuPsyllid Effort Against HLB

Ernie NeffCitrus Greening, HLB Management, Pests

Citrus Research and Development Foundation (CRDF) Chief Operations Officer Harold Browning provides an update on a major five-year HLB project that CRDF is managing. “It’s (NuPsyllid) a project that started in 2012, involving a team of scientists from all over the country … And the goal is to build and release into the field the psyllid that has less capacity … Read More

Managing HLB Horticulturally

Ernie NeffCitrus Greening, HLB Management

HLB management

University of Florida researcher Tripti Vashisth at Citrus Expo in August discussed the horticultural steps that can best help growers with managing HLB. She summarizes her presentation in an interview with Citrus Industry magazine. “The most important thing with managing HLB-affected groves is you want to fertilize your groves with good nutrition,” she says. She also emphasizes the need for … Read More

Genetic Engineering for HLB – the Growers’ Role

Ernie NeffCitrus Greening, Genetic Engineering, HLB Management

HLB, genetic engineering

Citrus growers can play a vital role in promoting genetic engineering as a partial solution to HLB, University of Florida Horticultural Sciences Department Chairman Kevin Folta says. He summarizes a message he delivered to about 40 at a Highlands County OJ break in Sebring on November 17. “There are many great innovations at the University of Florida and other places” … Read More

HLB-Spreading Psyllids: Dormant Sprays and the Edge Effect

Ernie NeffCitrus Greening, HLB Management, Pests

HLB, psyllids

University of Florida entomologist Phil Stansly discusses the use of dormant sprays for HLB-spreading psyllids. He also addresses the fact that psyllid populations are often higher on grove perimeters — the so-called “edge effect.” Stansly says the next coordinated grower spray for psyllids in the Gulf citrus-growing region will be a dormant spray. “The trees are dormant now and that’s … Read More

Grower: Don’t Cut Back on Psyllid Control

Ernie NeffCitrus Greening, HLB Management, Pests

psyllids

Gardinier Florida Citrus General Manager Lee Jones, one of several attending a Gulf Citrus Health Management Area Workshop on November 15 in Immokalee, wanted to share a message with fellow growers. The message: Don’t reduce efforts to control HLB-spreading Asian citrus psyllids. “Everybody’s groves this year are looking a little better,” Jones told Citrus Industry magazine immediately after the seminar. … Read More

Citrus Grower: Tree Replant Incentives Are Beneficial

Ernie NeffHLB Management, Irrigation, Water

Replant incentives

State and federal programs giving citrus growers incentives to replant and a state program designed to eliminate abandoned groves were discussed at a November 1 workshop in Lakeland. The program was hosted by Florida Citrus Mutual. Grower James “Hoss” Morgan, procurement director for Wm. G. Roe & Sons, Inc., likes the programs. “All three of these are very beneficial if … Read More

Managing the Health and Productivity of HLB-Affected Groves

Tacy CalliesHLB Management

By Tripti Vashisth In 2005, huanglongbing (HLB or citrus greening disease) was first discovered in Florida. Florida orange production changed from 242 million boxes in the pre-hurricane, pre-HLB, 2003–2004 season to 81.5 million boxes in 2015–2016. This dramatic reduction in yield is attributable to multiple causes, including a reduction in citrus acreage, citrus canker and other citrus diseases. HLB is … Read More

Some Growers ‘Being Squeezed More than Others’ by HLB

Ernie NeffBactericides, HLB Management, PFD

HLB

Citrus Extension agent Steve Futch answers questions following a grower forum in Arcadia on October 27. Growers discussed production, bactericides for HLB and much more. The forum opened with one grower saying he doesn’t know how much longer he can keep going. Another reported per-acre orange production of 450 to 500 boxes in some blocks – a superb level in … Read More