PFD and HLB

Trees Look Good but PFD and HLB Will Impact Yield

Ernie Neff Citrus Greening, PFD

Several citrus growers attending a grower forum in Sebring last week said groves are looking very good even though fruit production is expected to be low this season. John Barben, a Highlands County grower and the new president of Florida Citrus Mutual, summarized the situation. “Trees are looking good,” Barben said. “We had a lot of rain the last couple …

Injecting Citrus Tree Trunks with Bactericide May Help Stem Greening

Josh McGill Citrus

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 …

HLB and ‘Tolerance’ as a Practical Matter in Choosing Rootstocks

Tacy Callies Rootstocks

By Bill Castle (Editor’s note: Click on the graphs throughout the article to enlarge them.) By classic biological definition, a particular citrus rootstock-scion combination when infected with Candidatus Liberibacter asiaticus (CLas) would be considered tolerant if infected trees had no more than slight reductions in performance, sometimes accompanied by a reduced level of the pathogen. That definition implies that the …

Research on HLB-Tolerant Varieties Conducted in Gainesville

Ernie Neff Citrus Greening, Pests

Research on HLB-tolerant trees and better citrus varieties is being conducted in Gainesville, outside the Florida citrus belt. University of Florida scientist Jose Chaparro discusses the work. “In Gainesville we have essentially the youngest citrus breeding program in Florida,” Chaparro says. “In the future, we hope to be able to provide both HLB and canker resistance in our selections.” Such …

Bactericide Survey Results Summary

Josh McGill Bactericides, 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, …

HLB

Panel on Bactericides for HLB Summarized

Ernie Neff Bactericides, Citrus Expo, Citrus Greening

Harold Browning, chief operating officer of the Citrus Research and Development Foundation, summarizes a Citrus Expo panel in which four growers discussed their use of bactericides for HLB. The bactericides became available for use for HLB this spring. “They’re kind of working in the dark,” Browning says of the panelists and other growers trying bactericides. “They’re having to test and …

bactericides for HLB

Snively Discusses Use of Bactericides for HLB

Ernie Neff Bactericides, Citrus Expo, Citrus Greening

Jim Snively of Southern Gardens Citrus says his company is trying bactericides for HLB on one-tenth of its 10,000 citrus acres. The company is working with the Citrus Research and Development Foundation to analyze fruit drop, tree condition and more in blocks treated with bactericides. He believes it will take two to three years to determine if the bactericides are …

Thank You for Another Great Year

Kelsey Fry Citrus Expo

Dear Growers, Industry Members and Friends: On behalf of everyone at Citrus Expo, we would like to extend our appreciation to all attendees, exhibitors and sponsors of this year’s event. We are overwhelmed with the generosity and support from all levels of participants that joined us this year. The Citrus Expo Shindig, held on Wednesday night, allowed everyone to relax …

bactericides survey

Citrus Grove Renovation/Re-establishment Support Program

Tacy Callies Legislative

Mike Sparks, executive vice president/CEO of Florida Citrus Mutual, issued the following report: “As you know, a big part of Mutual’s mission over the past three years was to try and uncover, create and support grower incentive programs to get more trees in the ground and rebuild our industry. Through the hard work of Commissioner Adam Putnam and his staff …

Citrus Expo

Scenes from Citrus Expo’s Silver Anniversary

Taylor Hillman Citrus, Citrus Expo, Citrus Greening

Citrus Expo 2016 Citrus growers and industry members turned out in full force for the 25th anniversary of Citrus Expo. They came seeking answers on citrus greening and other production challenges, as was evidenced by the large turnout at the “Now Is the Time” seminar program. Sponsored ContentProtect Your Groves From Citrus LeafminerMay 29, 2023Application Tips to Protect Your Operation …

EPA Approves Temporary Use of Bactericides for HLB

Ernie Neff Bactericides, Citrus Greening

The federal Environmental Protection Agency (EPA) this week approved the temporary use of three bactericides on HLB-infected citrus trees. Florida citrus growers had already been using the products this year because Florida Commissioner of Agriculture Adam Putnam issued a crisis declaration allowing their use. Citrus Research and Development Foundation Chief Operations Officer Harold Browning announced the EPA decision at Citrus …

2016 Citrus Expo Gun Safe Winner Announced

Tacy Callies Citrus Expo

Congratulations to Caleb Shelfer, the winner of the John Deere gun safe giveaway at Citrus Expo 2016! Shelfer is with Joshua Citrus Inc. in Arcadia. This popular Citrus Expo tradition is made possible by sponsorship from Everglades Farm Equipment. Stephanie Capon, Miss Florida Citrus, drew the winning card. Gary Cooper, AgNet Media founder and president, announced the lucky name to …

Putnam: Private Citrus Forecast ‘a Kick in the Gut’

Tacy Callies Forecast

Florida Commissioner of Agriculture Adam Putnam expresses pleasure at celebrating the 25th Citrus Expo and dismay at a private citrus forecast of 60.5 million boxes of Florida oranges next season. “Boy, what a kick in the gut that forecast was,” says Putnam, who is a citrus grower. He notes that post-bloom fruit drop no doubt played a role in the …

Post-Bloom Fruit Drop Survey

Tacy Callies Pests

A Citrus Research and Development Foundation (CRDF) Research Management Committee meeting was called on June 29, 2016, to discuss post-bloom fruit drop (PFD) caused by Colletotricum spp. in Florida. In this meeting, it was suggested that there is an opportunity to retrospectively investigate PFD management strategies from 2016 to determine if grower treatment programs led to variable results. A survey …

mandarins

UF/IFAS Scientists Zeroing in on Better Mandarins

Daniel Cooper Citrus

In their quest to develop higher quality mandarins, University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) researchers are zeroing in on the traits that will help them breed the best fruit. Last year, they released the mandarin cultivar currently known as ‘7-6-27,’ which UF/IFAS researchers say is soaring with interest, and with more than 100,000 trees already ordered. Sponsored …

Experiences with HLB

HLB Experiences and Thoughts Shared

Ernie Neff Citrus Greening, Grapefruit, Pests

Tom Stopyra, technical crop advisor for The Packers of Indian River, shares experiences with HLB and offers opinions on numerous other topics he addressed at a recent seminar in Immokalee. Regarding the record high populations of HLB-spreading psyllids throughout Florida’s citrus belt this year, Stopyra says: “We’ve never seen populations like we have this year, even though we’ve been spraying …

HLB and psyllid levels

Record Psyllid Levels and the Good CHMAs Do

Ernie Neff Citrus Greening, Pests

Populations of HLB-spreading Asian citrus psyllids have been at record levels since April, University of Florida Citrus Health Management Area (CHMA) Program Coordinator Brandon Page told growers at a recent seminar in Immokalee. Page thinks abandoned groves that aren’t sprayed and therefore harbor psyllids are part of the reason for the recent population increase. “I think we’re also seeing money …

New Book to Debut at Citrus Expo

Kelsey Fry Citrus, Citrus Expo

Citrus growers now have yet another reason to attend the 2016 Citrus Expo. They can receive a complimentary copy of a brand new book, “The Critical Importance of Citrus Tree Nutrition.” Authored by citrus Extension agent Mongi Zekri, the book will debut at the Citrus Expo Shindig, a special party to celebrate the show’s 25th anniversary. The shindig takes place …

Canker Is Manageable, Grower Crop Advisor Says

Ernie Neff Grapefruit, Pests

Tom Stopyra, technical crop advisor for the Packers of Indian River, told more than 75 growers at an Immokalee seminar last week how his company gets excellent canker management utilizing a four-pronged program: “You have to control the leafminer. You have to have frequent copper sprays at a lower rate. You have to have windbreaks and sanitation, which is the …

Strauss Joins UF/IFAS Fight Against Citrus Greening

Kelsey Fry Agriculture, Citrus Greening

A new researcher has joined the University of Florida’s fight against citrus greening, which has devastated the state’s industry. Sarah Strauss, a soil microbiologist most recently from Davis, California, has accepted a position at the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center in Immokalee. Strauss, an assistant professor with an Extension appointment, …