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News for citrus growers around the globe
By Xavier Martini and Peter Andersen Cold-hardy citrus has a long history in North Florida, Alabama, Louisiana and Georgia. Records show that sweet orange, citron, lemon, lime and pummelo were brought to Saint Augustine, Florida, from Spain in 1565. However, it was not until the late 1700s that the Jesuits introduced satsuma (Citrus unshiu) to what is now Louisiana. SATSUMA …
By Brian German The Spring Citrus Meeting held last week in Tulare County touched on several major issues growers are concerned with, and included presentations on best practices for managing citrus trees. The day began with important information related to Asian citrus psyllid (ACP) and the disease it causes, huanglongbing (HLB), which has been growing at an alarming rate in …
By Rhuanito S. Ferrarezi, Jude W. Grosser, Fred G. Gmitter, Ed Stover and Kim Bowman Citrus is Florida’s most important agricultural commodity. The state produces citrus for different markets: round oranges for juice; navels, mandarins, grapefruit and lemons for the fresh-fruit industry; and lemons for extracting peel oil for processing. Huanglongbing (HLB) disease affects all citrus varieties. Since the discovery …
An Indian River-area grapefruit grower told the crowd at Florida Citrus Mutual’s recent annual conference about his company’s plans for coping with HLB. The plans include replanting with some diverse citrus varieties at higher densities, said Daniel Scott, vice president of Scott Citrus Management. Grapefruit has for the most part proven extremely difficult to grow profitably in the face of …
The biopesticide company, Certis USA, presented the non-profit Citrus Research and Development Foundation, Inc. (CRDF) with a check for $20,000 to help fund research projects in an effort to find a cure for huanglongbing (HLB; citrus greening). The presentation was made during the Florida Citrus Industry Annual Conference that took place at the Hyatt Regency Coconut Point Resort and Spa. …
The U.S. Department of Agriculture (USDA) Farm Service Agency will hold several information sessions in Florida about the Wildfires and Hurricanes Indemnity Program (WHIP). The meetings are the first step in the Hurricane Irma relief package. The USDA is encouraging all growers who wish to participate in WHIP to attend at least one meeting. Below are the dates, times and …
By Ute Albrecht Commercial citrus rootstock propagation traditionally occurs via use of nucellar apomictic seed, which generates genetically identical seedlings that are used as liners for budding. With the high demand for superior rootstocks in the age of HLB, commercial nurseries are currently experiencing a shortage of seeds for some of the most popular rootstock varieties. In addition, for many …
The 2017-2018 Florida all-orange forecast released by the U. S. Department of Agriculture’s National Agricultural Statistics Service (USDA/NASS) on June 12 is 45 million boxes, unchanged from the May forecast. The total includes 19 million boxes of non-Valencia oranges (early, midseason and Navel varieties) and 26 million boxes of Valencia oranges. The forecast for non-Valencia production is finalized and harvest …
A weed garden established this spring beside the Southwest Florida Research and Education Center in Immokalee is intended to help growers, Extension agents and others identify weeds in the grove. “The key ingredient in a weed management toolbox is to correctly identify the weed,” says Ramdas Kanissery, weed scientist at the center. “We’d like to invite groups to this garden. …
By Marcos Fava Neves The last Fundecitrus announcement (April 10) of the season for the Brazilian citrus crop was 398.35 million boxes. This includes: 77.48 million boxes of Hamlin, Westin and Rubi 18.02 million boxes of Valencia Americana and Valencia Argentina 118.47 million boxes of Pera Rio 139.62 million boxes of Valencia 44.76 million boxes of Natal (Navel) SEASON SUMMARY …
University of Florida Institute of Food and Agricultural Sciences researcher Jude Grosser discusses small experiments that indicated manganese and boron can help citrus trees cope with HLB. In a greenhouse experiment from a few years ago, HLB-infected sweet orange trees were overdosed with micronutrients and secondary nutrients. “It looked like … manganese had the biggest effect on growth of the …
University of Florida Institute of Food and Agricultural Sciences researcher Evan Johnson reports that the product Zinkicide appears promising as a management tool for HLB. “Zinkicide is a zinc-based nanoparticle that is designed to become systemic inside the tree and has high bactericidal activity so that hopefully it can target Liberibacter,” Johnson says. Liberibacter is the causal agent of HLB. …
The Florida Department of Agriculture and Consumer Services (FDACS) has positively identified the presence of three Oriental fruit flies, Bactrocera dorsalis, in south Miami-Dade County. The initial fly was discovered during routine trapping, and additional flies were discovered during expanded trapping activities. The department, along with the U.S. Department of Agriculture, monitors more than 56,000 fruit fly traps statewide as an …
The Florida Department of Agriculture and Consumer Services (FDACS) Office of Agricultural Water Policy has a new citrus cost-share program to assist with irrigation improvements on groves that are being replanted. FDACS announced it has set aside roughly $3 million for the Citrus Renovation Irrigation Support Program (CRISP). The program is designed to be a 75 percent cost share for the …
Growers discuss lessons learned from Hurricane Irma, replanting plans, grove rehabilitation, crop insurance and more. By Tacy Callies Florida citrus growers awaiting Hurricane Irma federal aid and insurance payouts are doing their best to keep crops healthy until more money is available. Paul Meador, citrus grower and head of Everglades Harvesting & Hauling in LaBelle, took a big hit from …
Column sponsored by the Citrus Research and Development Foundation (CRDF) On April 24, the CRDF board of directors approved research priorities for two separate research funding programs. One is for projects that will lead directly to the development of commercial products, tools or recommendations (Commercial Product Development Committee, CPDC-18). The other is for projects with broader, fundamental researchable questions (Research …
Phil Rucks of Phillip Rucks Citrus Nursery weighs in on the increasing demand for late versus early orange varieties, the impact of Hurricane Irma and HLB. Rucks notes that over the past 30 years, the demand for early-season oranges versus late-season oranges has essentially reversed. In the past, he says, early varieties accounted for about 60 percent of plantings. Now, …
At its recent May meeting, the Citrus Research and Development Foundation (CRDF) finalized a communication plan that will attempt to make the organization’s information more easily available to growers and others. Ned Hancock, chairman of the CRDF communications subcommittee, reports. “One of the key elements is we’re going to revamp our website. We’re going to try to make it extremely …
“If you want to survive, you have to plant” is a common sentiment heard among Florida citrus growers. The June issue of Citrus Industry magazine examines several issues of interest related to new plantings. In the cover story, Editor Tacy Callies speaks with citrus growers recovering from Hurricane Irma and shares details about their replanting plans. Other topics discussed in …
Allen Morris, owner of Morris Agribusiness Services, says Hurricane Irma will have a huge impact on future orange production in Florida. He explains that Irma caused extensive tree defoliation, which will prevent trees from setting a full crop. He projects an orange crop of 45 to 50 million boxes in the 2018-19 season, and a crop of 60 million boxes …
