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 …

HLB Affects Grapefruit Sales

Abbey TaylorCitrus Greening, Grapefruit

By Jaci Schreckengost For grapefruit growers, huanglongbing (HLB) has been a huge issue, leading to many fears in the industry, including the fear of a shortage. Rob Atchley, general manager of citrus groves for Duda Farm Fresh Foods, says HLB makes crops vulnerable to new stresses the trees have not previously encountered. He says these stresses can turn into fruit …

Citrus Expo Opens a Week from Today!

Abbey TaylorCitrus Expo

August 9, 2017 Citrus growers, vendors and industry professionals are looking forward to gathering on 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 United States. There are only …

Time to Get Serious About Trialing New Scion/Rootstock Combinations

Tacy CalliesRootstocks, Scions

By Jude W. Grosser and Frederick G. Gmitter It’s no secret that citrus greening disease, or HLB, continues to take a heavy toll on the beloved Florida citrus industry. It has been estimated that the industry will need to replant over 3 million trees per year for the next 10 years just to get back to normal. So the million-dollar …

soil

A Lively World Under the Tree

Ernie Neffsoil

The vast diversity of organisms in soil can have positive impacts on citrus, Sarah Strauss told growers and others at a July seminar in Immokalee. “Potentially, though we haven’t verified this, (there are) up to a billion organisms in one gram of soil underneath a citrus tree,” the University of Florida/Institute of Food and Agricultural Sciences soil microbiologist says. “A …

oranges

H-2A Contracts, Costs and Considerations

Abbey TaylorLabor

By Jaci Shreckengost The H-2A program is a guest-worker program that allows people from other countries to come to the United States on a visa as agricultural employees for temporary, seasonal work. Many industries are beginning to use H-2A due to uncertainty over the domestic labor supply, says Fritz Roka, an associate professor of agriculture economics at the University of …

usda

Rep. Albritton Discusses Citrus Industry Funding

Abbey TaylorLegislative

By Jaci Schreckengost Ben Albritton, Florida House Representative from District 56, says it is encouraging to see the positivity in the citrus community, especially in challenging times. Due to the rise of huanglongbing (HLB), known as citrus greening disease, Florida citrus growers are facing the challenges of reduced production and health of their crops. There have been some changes in …

Citrus Industry Participates in H-2A for Labor Needs

Abbey TaylorLabor

By Jaci Shreckengost Concern over availability of domestic employees in the United States has caused growers to change where they get their labor. Fritz Roka, associate professor of agriculture economics at the University of Florida’s Southwest Florida Research and Education Center in Immokalee, says the uncertainty surrounding the immigration policies of the current United States administration has led growers to …

Citrus Expo

A Glimpse at CRDF Programs and Planning

Tacy CalliesCitrus, News from our Sponsor

By Harold Browning Column sponsored by the Citrus Research and Development Foundation As we start the new fiscal year at the Citrus Research and Development Foundation (CRDF), there are a number of priority activities in place to focus effort and resources on important tools for managing citrus in the presence of HLB. Here are some highlights. Currently, CRDF is sponsoring …