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News for citrus growers around the globe
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 University of Florida Institute of Food and Agricultural Sciences has added another soldier in its battle against citrus greening by hiring world-renowned entomologist Bryony Bonning. She has been named Eminent Scholar with tenure in the UF/IFAS entomology and nematology department. Currently, Bonning is a professor of entomology at Iowa State University and director of the National Science Foundation Center …
In their quest to develop higher quality mandarins, University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) researchers are zeroing in on the traits that will help them breed the best fruit. Last year, they released the mandarin cultivar currently known as ‘7-6-27,’ which UF/IFAS researchers say is soaring with interest, and with more than 100,000 trees already ordered. Sponsored …
Tom Stopyra, technical crop advisor for The Packers of Indian River, shares experiences with HLB and offers opinions on numerous other topics he addressed at a recent seminar in Immokalee. Regarding the record high populations of HLB-spreading psyllids throughout Florida’s citrus belt this year, Stopyra says: “We’ve never seen populations like we have this year, even though we’ve been spraying …
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 …
From Kevin Shea, Administrator, USDA Animal and Plant Health Inspection Service: The Florida citrus industry is under siege and the invader is a tiny bug called the Asian citrus psyllid (ACP). The ACP spreads a disease known as Huanglongbing (HLB) or citrus greening, and together they are destroying groves that have been cultivated by families for generations. But all is …
Populations of HLB-spreading Asian citrus psyllids have been at record levels since April, University of Florida Citrus Health Management Area (CHMA) Program Coordinator Brandon Page told growers at a recent seminar in Immokalee. Page thinks abandoned groves that aren’t sprayed and therefore harbor psyllids are part of the reason for the recent population increase. “I think we’re also seeing money …
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 …
Anyone with ties to the agricultural industry is encouraged to get tickets for 2016 Agriculture and Gardening Day at the University of Florida Gators homecoming football game October 15th. Dr. Jack Payne, UF senior vice president for agriculture and natural resources, hopes farmers and ranchers from across the state will attend. Sponsored ContentA Simpler, Safer and …
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 …
Citrus growers now have yet another reason to attend the 2016 Citrus Expo. They can receive a complimentary copy of a brand new book, “The Critical Importance of Citrus Tree Nutrition.” Authored by citrus Extension agent Mongi Zekri, the book will debut at the Citrus Expo Shindig, a special party to celebrate the show’s 25th anniversary. The shindig takes place …
Tom Stopyra, technical crop advisor for the Packers of Indian River, told more than 75 growers at an Immokalee seminar last week how his company gets excellent canker management utilizing a four-pronged program: “You have to control the leafminer. You have to have frequent copper sprays at a lower rate. You have to have windbreaks and sanitation, which is the …
A new researcher has joined the University of Florida’s fight against citrus greening, which has devastated the state’s industry. Sarah Strauss, a soil microbiologist most recently from Davis, California, has accepted a position at the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center in Immokalee. Strauss, an assistant professor with an Extension appointment, …
An entomologist with 10 years of research focused on the state’s iconic citrus industry has joined the faculty of the University of Florida Institute of Food and Agricultural Sciences’ Indian River Research and Education Center (UF/IFAS IRREC). Named Entomologist of the Year in 2012 by the Florida Entomological Society, Jawwad A. Qureshi was selected for a new position as assistant …
Asian citrus psyllids are detected sporadically in the San Joaquin Valley — home to most California oranges and mandarins — and are endemic in Southern California lemon country. But as far as anyone knows, the pests that spread HLB in Florida and Texas have not spread the disease into California’s commercial citrus groves. California HLB detections have been limited to 17 …
AgNet Media is proud to join University of Florida Athletics and the Institute of Food and Agricultural Sciences (IFAS) to promote the 2016 Agriculture and Gardening Day at UF, when the Gators play University of Missouri Tigers at UF’s homecoming football game, October 15, 2016. The staff at AgNet Media are excited to support an event organized to show appreciation …
With the 2016 Citrus Expo approaching, Harold Browning, chief operations officer of the Citrus Research and Development Foundation (CRDF), is reminding Florida growers to take the bactericide survey if they haven’t already done so. The deadline to complete the survey is August 10. It can be found online at citrusexpo.net. Browning said that the bactericide survey results will be a …
By Evan G. Johnson and Renato Bassanezi In February 2016, I (Evan Johnson) had the opportunity to tour citrus production areas in Parana and São Paulo states in Brazil as part of collaborations with researchers at Fundecitrus, a grower-supported research foundation. In addition to the fruitful discussions with research colleagues, I also had the opportunity to visit with growers in São …
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 …
