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By Mark A. Ritenour, Jiuxu Zhang and Megan M. Dewdney Decay of fresh citrus fruit is most often caused by fungal pathogens that grow and develop in the hot and wet conditions typical in Florida. While green and blue molds (Penicillium digitatum and Penicillium italicum) and sour rot (Galactomyces citri-aurantii) are the most common postharvest citrus diseases worldwide, the subtropical …
The November issue of Citrus Industry magazine will be available to readers soon. It features the U.S. Department of Agriculture’s initial citrus crop forecast for the 2016–17 season. The article includes coverage of the grower gathering at the Dark Hammock Legacy Ranch and industry reactions to the 70 million orange boxes figure. Two features in this issue focus on citrus …
By Reza Ehsani, Megan Dewdney and Evan Johnson In the last two years, many growers looked at thermotherapy as a way of keeping HLB-affected citrus trees in production until a more permanent solution could be developed. It has been shown that thermotherapy can kill HLB-causing bacteria under controlled environments. But the exact time and temperature is not known, and it …
By Bill Castle University of Florida professor emeritus During a recent breakfast with an industry friend, I asked: What is your outlook on the future of our industry? His positive reply was direct and immediate. He expanded on that reply by revealing a realistic confidence in the ability of growers to plant and grow young trees as supported by his …
By Kelly T. Morgan and Stephen J. Futch Water has been used for cold protection in past freezes with mixed success. Low dew point temperatures and high winds can promote evaporative cooling when insufficient amounts of water are used. Various methods have been used to protect young citrus trees from frost and freeze conditions. Among these, the use of covers …
Candi Erick is keenly involved in production of Florida’s citrus crop forecasts. She’s easy to get along with, but there is one way to get under her skin. By Ernie Neff If you want to irritate Candi Erick, whose primary job is overseeing data collection leading to Florida’s citrus crop forecasts, just tell her, “It’s good enough for government work.” …
The October issue of Citrus Industry magazine is coming soon to your mailbox or in box! Many readers will recognize the subject of this issue’s cover story. Allen Morris has played several roles in Florida’s citrus industry during the past three decades. You may know Morris as an economist, business consultant, marketer or author. He shares his views on current …
The September 2016 Citrus Industry features extended coverage from Citrus Expo, including feature articles, bactericide survey results, seminar highlights and photos. Ernie Neff takes readers behind the scenes of the Florida citrus crop forecast in his profile of Candi Erick. You’ll learn what goes into preparing the forecast and interesting facts about the leading lady responsible for the numbers. Growers …
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 …
Florida-based Plant Food Systems announced that the Environmental Protection Agency (EPA) approved the use of KPHITE® RX Systemic Bactericide for the control of HLB or citrus greening. The approval was granted based on research conducted by a panel of researchers demonstrating that the use of KPHITE® RX and Renew® RX reduces the effects of greening on citrus crops. Further field …
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 …
Rick Kress, senior vice president of research commercialization for Southern Gardens Citrus will present a webinar titled “Can We Live Without Citrus?” on August 25 from 11:00 a.m. to 12:00 p.m. EDT. Can you imagine what your store would look like if the orange juice section was suddenly empty or produce shelves were void of all oranges, grapefruit, lemons and …
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 …
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 …
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 …
The herbicide active ingredient simazine (Princep®) is currently undergoing re-registration review by EPA. A crucial step in that process is the public comment period. EPA is now accepting public comments. It would be very helpful to include comments from end-users in the Florida citrus community, where simazine is an important weed management tool. Click here for concise background information and …
BASF announces that Priaxor® fungicide has received federal and Florida approval for use on all citrus varieties in Florida. Priaxor® fungicide is already being used in sugarcane and vegetables throughout the state and the United States. Priaxor® fungicide is a mixture of the active ingredient in Headline® fungicide and a new systemic fungicide Xemium®. Testing in Florida has shown the …
Earn one core continuing education unit (CEU) by reading the Citrus Industry CEU article, “What do pesticide formulations have to do with anything?” and passing the accompanying test. The article, authored by University of Florida’s Laurie Ann Hurner, is now available online and will appear in the August 2016 issue of Citrus Industry magazine. This CEU will be valid for …
By Bill Castle and Luiz A.B.C. Vasconcellos Maybe it’s time to try a scion as a rootstock! Murcott is widely known as a scion variety, but it might be an interesting rootstock based on grower experience in Brazil as well as rootstock trial results and some commercial use in Florida. Mandarin rootstocks and their hybrids have generally good horticultural traits, especially …
The August issue of Citrus Industry magazine is coming soon! In this edition, growers will have the opportunity to earn one Core CEU by reading an article on pesticide formulations and taking the accompanying test. Other features offer new knowledge on citrus black spot and guidelines on how to evaluate HLB treatments in the grove. In addition, University of Florida …
