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As Hurricane Irma tore through Florida on September 10-11, all of the state’s citrus-growing regions were affected to some degree. “There’s no doubt we’ve had some serious damage,” said Florida Citrus Mutual Executive Vice President and Chief Executive Officer Mike Sparks. “The amount of loss varies substantially from the various citrus-growing regions.” In Florida’s southwest citrus region, Sparks said, “Crop …
A historical perspective and current conditions are key to understanding what will happen to the orange juice market in the future if HLB-resistant trees are introduced. By Allen Morris Between 2001–02 and 2016–17, the Nielsen-measured retail U.S. orange juice market declined by 50 percent, Florida orange production declined by 70 percent and retail orange juice prices increased by 53 percent …
By Fritz M. Roka The number of H-2A foreign guest workers employed in Florida’s agricultural operations has grown from 4,400 in 2009 to nearly 23,000 by the start of the 2015 citrus harvesting season, more than a five-fold increase (Figure 1). More H-2A workers came to Florida in 2015 than to any other state. Industry leaders estimate that more than …
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 …
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 …
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 …
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 …
By Marcos Fava Neves The first forecast of the 2017–18 Brazilian orange crop was published in May. Brazil expects a total of 364.47 million boxes, including the following: 68.49 million boxes of Hamlin, Westin and Rubi varieties 17.42 million boxes of Valencia Americana, Valencia Argentina, Seleta and Pineapple varieties 114.52 million boxes of the Pera Rio variety 123.04 million boxes …
Florida Citrus Packers honored George F. Hamner Jr. with its John T. Lesley Award for Excellence at Packinghouse Day on August 24, 2017. The John T. Lesley Award is the organization’s highest recognition, reserved for individuals making sustained and outstanding contributions to Florida’s fresh citrus industry. The list of recipients reads like a “who’s who” of the Florida citrus industry. …
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, …
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 …
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 …
Nominations are now being sought for potential inductees to the Florida Citrus Hall of Fame. Induction ceremonies are scheduled to take place on Friday, March 9, 2018, at Florida Southern College in Lakeland. The luncheon is co-sponsored by Florida Citrus Mutual and the Florida Department of Citrus. Eligible nominees are those distinguished leaders who have made significant contributions to the …
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 …
By Richard F. Lee The old-timers called citrus leprosis “nailhead rust.” Prevalent in Florida in the early 1900s, the disease was first called leprosis in the 1920s by H.S. Fawcett. Although the disease was widespread in Florida at one time, it mysteriously disappeared in the mid-1960s. L.C. Knorr [University of Florida/Institute of Food and Agricultural Sciences Citrus Research and Education …
By Hassan Farouk Ahmed Morocco’s citrus production reached 2.3 million metric tons (MT) in 2016–17, an increase of 15 percent over the previous marketing year. Orange production increased by 4 percent, to 962,250 MT, while tangerine and mandarin production increased 24 percent to 1,325,246 MT. Much of the increase in production was due to increases in the area harvested, as …
The August issue of Citrus Industry magazine serves as the show guide for the 2017 Citrus Expo. Now in its 26th year, Citrus Expo is the largest trade show and seminar program of its kind in the United States. The event takes place August 16–17 at the Lee Civic Center in North Fort Myers, Florida. This year, Citrus Expo is …
The California Citrus Research Board (CRB) hosted live Asian citrus psyllid (ACP) fogging demonstrations in April. The purpose was to show the viability of controlling the spread of ACP by fogging shipments of citrus on the truck, as close to the harvested field as possible. Spencer Walse, CRB research scientist specializing in chemical applications in agriculture, carried out the demonstrations. He is based at …
By Reza Ehsani, Azadeh Alizadeh and Davie Kadyampakeni Many scientists in Florida and other parts of the world are working hard to find a treatment for citrus greening and frequently conducting field trials to evaluate the effectiveness of their treatments. Monitoring plant physiological factors, yield and fruit quality are usually among the factors that they need to assess tree health. …
By Arnold Schumann and Laura Waldo Florida citrus trees may require irrigation throughout the year due to the extremely sandy soils with low water-holding capacities and the warm subtropical climate with distinct drought periods in spring. Citrus trees are evergreen and may be actively growing at any time, with no true dormant phase. HLB-affected trees are particularly prone to multiple …
