Citrus Expo

Bactericide Use: an Update at Citrus Expo

Tacy CalliesNews from our Sponsor

By Harold Browning Column sponsored by the Citrus Research and Development Foundation Use of bactericides to reduce disease levels in infected trees continues to be a topic of debate in Florida citrus. Now in the second season of grower use, many growers are continuing to use the three products containing oxytetracycline or streptomycin within their seasonal spray programs. The Citrus …

Harvesting Charges for Florida Citrus

Tacy CalliesEconomics

By Ariel Singerman, Marina Burani-Arouca, Stephen H. Futch and Robert Ranieri This article summarizes the charges for harvesting citrus in Florida during the 2016–17 season. The estimates provided are key for computing on-tree prices and to estimate economic returns to citrus growers. The estimates are based on a survey of harvesters conducted in May 2017. A total of 15 harvesters …

Florida orange

More Fruit, Better Tree Health in Highlands County

Ernie NeffCitrus Greening, fruit, PFD

Echoing comments from growers in some citrus-growing regions in southern Florida, Highlands County citrus Extension agent Laurie Hurner says Highlands County appears to have more fruit and better tree health this year. “It’s interesting. You drive up and down Highway 27, and there is a lot more fruit out there, I think,” says Hurner, who is also the Highlands County …

Sneak Peek: September 2017 Citrus Industry Magazine

Tacy CalliesSneak Peek

The next issue of Citrus Industry magazine takes a look at the status of citrus labor in Florida. A trio of articles offers insights on harvesting costs, using the H-2A program and keeping skilled workers. Also included in the September issue is coverage from the 2017 Citrus Expo held in Fort Myers, Florida, on August 16–17. An appearance by Secretary …

acreage

Grower Hollingsworth Reacts to Acreage Reduction

Ernie NeffAcreage

DeSoto County grower and Florida Citrus Commissioner V.C. Hollingsworth reacts to news that Florida’s citrus acreage declined 5 percent this year. “That kind of surprised me a little bit because I thought we’ve been planting back a lot of trees,” Hollingsworth says. “I think what it doesn’t show is the number of trees that we’re planting back, trees per acre. …

Citrus Expo Seminar Presentations Now Available Online

Abbey TaylorCitrus Expo

Every year, Citrus Expo is proud to feature a seminar program that provides continuing education units and a wealth of new research information for growers. Top citrus researchers from the University of Florida/Institute of Food and Agricultural Sciences were among those who presented their latest findings on several topics, including HLB management, psyllid control, bactericides and more. Now, you can …

florida

Florida Citrus Acreage Tumbles 5 Percent

Ernie NeffAcreage

Florida lost another 25,148 acres of citrus in the past year, or 5 percent of the crop’s acreage, according to the annual Commercial Citrus Inventory released on August 31. The number of acres dropped to 454,973 from 480,121 in 2016. The inventory was released by the U.S. Department of Agriculture’s National Agricultural Statistics Service. “It turns out that our citrus …

Impact of Temperature on Psyllid Survival

Tacy CalliesPsyllids

By Nabil Killiny and Steve Futch Citrus growers frequently inquire if Florida temperatures in the summer or winter are sufficiently high or low enough to control or suppress the Asian citrus psyllid (ACP). This question is the subject of this short article. The reason growers pose the question about how temperature impacts psyllids is because ACP is a phloem feeder …

HLB

Bactericides, Psyllids and HLB-Resistance/Tolerance

Ernie NeffBactericides, HLB Management, Psyllids

At a recent meeting of the Citrus Research and Development Foundation’s (CRDF) Commercial Product Delivery Committee, approximately half of the agenda was devoted to bactericides and HLB-spreading psyllids. Reflective mulch that keeps psyllids away and field trials for HLB-resistant or tolerant rootstocks and scions were also addressed. CRDF Chief Operations Officer Harold Browning summarizes some of the discussions. “The issue …

Fresh

Fresh Fruit: Challenges and Changes

Ernie NeffFresh

Florida’s fresh citrus industry has suffered even more from HLB than has the much larger juice industry. Duke Chadwell, manager of the Citrus Administrative Committee (CAC), discusses pending organizational changes in the fresh industry, brought on primarily by HLB. The CAC administers a federal marketing order for fresh Florida citrus that has been in place since 1939. “The Citrus Administrative …

California Department of Pesticide Regulation to Study Chlorpyrifos

Len WilcoxCalifornia Corner, Regulation

A new effort is underway in California to further regulate chlorpyrifos. On August 18, the California Department of Pesticide Regulation (DPR) issued a directive for interim mitigation measures to address health risks from the pesticide. This action marks the start of a public and scientific review of DPR’s revised draft risk assessment that could lead to increased restrictions statewide. At …

system

System Screens Out Citrus Greening-Carrying Insect

Daniel CooperCitrus Greening, Industry News Release, Research

Imagine camping in the deep woods. You’d want a tent with mesh that prevents bugs – even those as small as gnats – from entering into your wildlife hangout. That’s the idea behind citrus under protective screens, or CUPS, which helps keep away a pinhead-sized insect that causes citrus greening, University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) scientists …

Grower Response to Psyllid Insecticide Resistance

Ernie NeffPsyllids

Lee Jones was in the Citrus Expo seminar audience recently when a scientist reported there have been incidences of HLB-spreading psyllids being resistant to insecticides. Jones, general manager of Gardinier Florida Citrus, has one recommendation for dealing with the issue, at least partially. “I would really suggest that October to March window as an application window for the imidacloprids (a …

acp

HLB-Spreading Psyllids Resistant to Insecticides

Ernie NeffHLB Management, Psyllids

Ears perked up in the Citrus Expo seminar hall last week when Lukasz Stelinski reported incidences of Asian citrus pysllid resistance to insecticides, “particularly the neonicotinoid group of insecticides in Florida.” The neonicotinoids have been a key weapon against the psyllids that have spread HLB to groves statewide. Stelinski, an entomologist with the University of Florida’s Institute of Food and …

Rootstocks and HLB Tolerance — Another Perspective

Tacy CalliesHLB Management, Rootstocks

By Ute Albrecht Tolerance to a disease is generally defined as the ability to be productive in the presence of disease-causing organisms. This is contrary to resistance, which is defined as the ability to completely evade a pathogen due to specific resistance mechanisms. The question as to what defines an HLB-“tolerant” rootstock was posed in an article by Bill Castle, …

Ag Secretary Perdue Gains Optimism About Citrus Industry at Citrus Expo

Abbey TaylorCitrus Expo, Citrus Greening, Legislative

U.S. Secretary of Agriculture Sonny Perdue visited Citrus Expo on August 16. During his visit, he held a listening session alongside Congressman Tom Rooney and citrus industry professionals. The main topic during the session was citrus greening and the importance of research to combat the devastating disease. Growers and industry leaders spoke about the challenges of the Florida citrus industry. …

Gun Safe Winner at Citrus Expo

Abbey TaylorCitrus Expo

Everglades Equipment Group continued its popular, annual John Deere gun safe giveaway at the 2017 Citrus Expo on August 16. All citrus growers who pre-registered for the event were eligible for the drawing to win the prize. Miss Florida Citrus, Rachel Smith, drew the name of the lucky winner. The gun safe went to Austin Pell of Pell Citrus in …

CRDF and Bayer Announce Partnership at Citrus Expo

Tacy CalliesCitrus, HLB Management, Industry News Release

The Citrus Research and Development Foundation (CRDF) and Bayer CropScience announced a new partnership at Citrus Expo. In an effort to discover new technologies to manage citrus greening disease, CRDF will invest $12 million with Bayer over a three-year period. Bayer will focus on product research and development of both biological and chemical controls. Adrian Percy, head of research and …

Citrus Expo Is a Great Connection for Florida FFA

Daniel CooperCitrus Expo

Citrus growers, vendors, and industry professionals are all looking forward to gathering this Wednesday, August 16 at 8:00 a.m. at the Lee Civic Center in North Fort Myers. That’s when the doors officially open to the 2017 Citrus Expo trade show, the biggest and best annual gathering of citrus industry members in the U.S. Citrus Expo is proud to announce …

perdue

Perdue to Appear at Citrus Industry Event

Daniel CooperCitrus, Citrus Expo

Amid continuing struggles in Florida’s citrus industry, U.S. Secretary of Agriculture Sonny Perdue will appear Wednesday at the Citrus Expo in Fort Myers. Florida Agriculture Commissioner Adam Putnam and U.S. Rep. Tom Rooney, R-Fla., are expected to join Perdue, according to Putnam’s office and the Citrus Expo website. Perdue’s visit comes as the industry continues to deal with deadly citrus …