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 …

citrus crop forecast

Citrus Pest Concerns California Industry

Daniel CooperCitrus, HLB Management, Industry News Release

California recently passed a state law designed to combat the spread of an Asian citrus pest. All citrus loads transported through California now must be covered, no matter where it’s coming from or where it’s headed. Sponsored ContentA Simpler, Safer and More Effective Way to Fight HLBOctober 25, 20245 Facts About Fire Ants and How to Control ThemApril 30, 2024BRAZILIAN …

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: …

UF Researcher Discusses HLB-Tolerant Scions

Ernie NeffCitrus 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 …

HLB

Update on Approval of Bactericides for HLB

Ernie NeffBactericides, HLB Management

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 …

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 …

microbes, HLB

Results of Microbial Soil Amendments in HLB-Infected Grove

Ernie NeffCitrus 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,” …

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 …

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 …

budget

HLB and Genetic Engineering: The FDOC’s Role

Ernie NeffCitrus Greening, Genetic Engineering

Communicating about genetic engineering as a partial solution to greening disease (HLB) was the topic of a recent OJ break in Sebring. Florida Department of Citrus (FDOC) Executive Director Shannon Shepp participated in the meeting and discusses the FDOC’s role in telling consumers about greening. “We’re very clear on the fact that biotechnology research is happening … We know that …

HLB management

Managing HLB Horticulturally

Ernie NeffCitrus Greening, 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 …

HLB, genetic engineering

Genetic Engineering for HLB – the Growers’ Role

Ernie NeffCitrus Greening, Genetic Engineering, HLB Management

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” …

HLB, psyllids

HLB-Spreading Psyllids: Dormant Sprays and the Edge Effect

Ernie NeffCitrus Greening, HLB Management, Pests

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 …

psyllids

Grower: Don’t Cut Back on Psyllid Control

Ernie NeffCitrus Greening, HLB Management, Pests

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. …

Replant incentives

Citrus Grower: Tree Replant Incentives Are Beneficial

Ernie NeffHLB Management, Irrigation, Water

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 …

strong orange production

Grower Gets Strong Orange Production

Ernie NeffBactericides, Citrus Greening

Bobby Mixon of Sunny South Packing Company, one of several sharing experiences at a recent grower forum in Arcadia, reported good production from a Vernia orange block. He said the block yielded 450 to 500 boxes to the acre last season, which is far above average orange yield in the HLB era. Mixon says Vernia provides “alternate production” from year …

UF/IFAS Imaging System Can Detect Citrus Greening Before Symptoms Show

Josh McGillCitrus Greening

By: Brad Buck GAINESVILLE, Fla. — A time-lapse polarized imaging system may help citrus growers detect citrus greening before the plant’s leaves show symptoms, which should help growers as they try to fend off the deadly disease, a new University of Florida Institute of Food and Agricultural Sciences study shows. For the new study, Won Suk “Daniel” Lee and Alireza …

HLB replanting

Citrus Replanting Incentives in Face of HLB

Ernie NeffCitrus Greening, Water

More than 50 attended a November 1 workshop in Lakeland to learn about incentives to induce citrus tree replanting. Replanting is needed to replace trees lost to HLB and other problems. Kayla Nickerson of the Florida Department of Agriculture and Consumer Services (FDACS) talks about a relatively new incentive – her agency’s Citrus Grove Renovation/Re-establishment Support Program. Nickerson says, “We’re …

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 …

Fresh

Slow Start for Fresh Florida Grapefruit Season

Ernie NeffCitrus Greening, Grapefruit

Fresh Florida grapefruit shipments continue to decline in concert with the downturn in production resulting from HLB and other problems. On October 26, the Florida Department of Citrus projected fresh Florida grapefruit shipments will be about 4.13 million boxes this season. Three seasons ago, in 2013-14, fresh Florida grapefruit shipments totaled 6.1 million boxes and have dropped in each season …