An Update on Breeding Against HLB

Ernie NeffCitrus Greening, Genetic Engineering, HLB Management

HLB, breeding

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 … Read More

Pathologist to Tackle HLB and Other Diseases

Ernie NeffCitrus Greening, HLB Management, PFD

HLB

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 … Read More

Soil Microbiologist Discusses Work

Ernie NeffHLB Management, Research

HLB, microbiology

Sarah Strauss became a University of Florida soil microbiologist at the Southwest Florida Research and Education Center at Immokalee in late May 2016. She discusses the ways she hopes to help citrus growers. “There’s a lot of exciting things in soil microbiology,” Strauss says. “There’s a lot of new technology that we didn’t have just five years ago. And so … Read More

Micronutrients for Root Health and HLB

Ernie NeffCitrus Greening, HLB Management, Nutrition

Micronutrients

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 … Read More

New Indian River Researcher to Aid in HLB Fight

Ernie NeffHLB Management, Irrigation, Nutrition

HLB, irrigation, nutrition

Rhuanito “Johnny” Ferrarezi, a new citrus horticulture scientist at the Indian River Research and Education Center near Fort Pierce, discusses his research plans. “I’m going to be focusing on irrigation, plant nutrition and cultural practices to improve our current practices and try to maximize plant survival under greening conditions,” he says. Most of his attention will be on Indian River … Read More

Effective and Economical Psyllid Spray Programs

Tacy CalliesCitrus, 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 … Read More

Nurseryman Discusses HLB and Replanting Choices

Ernie NeffHLB Management, Rootstocks, Scions

HLB, Replanting

As a member of a grower panel at the recent Florida Citrus Show in Fort Pierce, nurseryman Nate Jameson shared his thoughts on coping with HLB, choosing trees for replanting and more. The owner of Brite Leaf Citrus Nursery summarizes his presentation, starting with questions growers have for nurserymen. “I think the number-one question that we get is, ‘What tree … Read More

Bayer and CRDF Explore Partnership Possibilities

Ernie NeffBactericides, Citrus Greening, HLB Management

HLB

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 … Read More

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