By Ariel Singerman This article summarizes the major changes in the cost of production for processed oranges in Florida since the outbreak of huanglongbing (HLB). To deal with the disease, growers have significantly changed their cultural practices. Those changes have had a considerable impact on the cost of production per acre. NOMINAL COSTS VS. REAL COSTSHowever, given that inflation also …
Citrus Black Spot Quarantine Area Updated in Florida
Effective immediately, the Animal and Plant Health Inspection Service (APHIS) is adding eight sections in Charlotte County, nine sections in Lee County, 28 sections in Hendry County, and five sections in Collier County to the citrus black spot (CBS) quarantine area in Florida. This action is in response to the confirmation of CBS during annual surveys conducted by APHIS and …
Lebbeck Mealybug Update
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock provides an update on the lebbeck mealybug, a new pest of Florida citrus detected in Highlands County in June. Diepenbrock reports that the mealybug was found June 14 by a Highlands County grower. It came from groves in Avon Park and Sebring. “It is definitely beyond one …
Growers Happy With Lebbeck Mealybug Response
Growers who attended a recent meeting in Sebring about the lebbeck mealybug left with good feelings about the official response to the pest, said Laurie Hurner, Highlands County Extension director and citrus agent. “Growers were very pleased with the information that was presented and how quickly we were able to get it out to the industry,” Hurner said. She reported …
Putting IPM Back in Citrus
By Lukasz L. Stelinski, Jawwad A. Qureshi and L. Gene Albrigo Florida citrus production has a long and trailblazing history of implementing integrated pest management (IPM). In 1950, the director of the Florida Citrus Experiment Station, A.F. Camp, proposed an “Ecological Survey of Citrus Pests and Disorders” to provide a comprehensive survey of the ecology of citrus groves throughout Florida …
Citrus Expo Offers Interactions
Growers will have opportunities to learn in interactions with University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers at Citrus Expo on Thursday afternoon, Aug. 15. “We wanted to do something a little bit different to keep folks involved and keep folks coming back for that second afternoon” of Citrus Expo, says Michael Rogers, director of the UF/IFAS …
Individual Protective Covers Are ‘Promising’ for HLB
Individual protective covers (IPCs) have thus far kept citrus trees free of HLB in research plots, according to Susmita Gaire, a presenter at the recent Florida State Horticultural Society annual meeting. Gaire is a graduate student working with University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez at the Southwest Florida Research and Education Center in …
CUPS Research in Indian River Area
Research into citrus under protective screen (CUPS) in the Indian River area was discussed by students of Rhuanito (Johnny) Ferrarezi at the Florida State Horticultural Society meeting in June. The project at the Indian River Research and Education Center (IRREC) grows grapefruit, the citrus of most economic importance in the Indian River region. Ferrarezi, a University of Florida Institute of …
Visit by USDA Officials Beneficial
Citrus Research and Education Center Director Michael Rogers discusses a recent Florida visit by some U.S. Department of Agriculture (USDA) administrators who make the decisions on how millions of dollars in farm bill citrus research money are allocated. He explains that the visit was very valuable for the National Institute of Food and Agriculture (NIFA) officials because they got to …
Citrus Research at SWFREC
Southwest Florida Research and Education Center (SWFREC) Director Kelly Morgan provides an update on citrus research being conducted at the center. SWFREC is operated by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Morgan says most of the research is “related to greening, but not all of it.” Greening is another term for huanglongbing (HLB), the citrus …
Psyllids, Yield and Weed Control
Recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research shows that HLB-spreading psyllids can feed on weeds, and that good weed control can increase fruit yield. The research results were presented by UF/IFAS weed scientist Ramdas Kanissery, who works at the Southwest Florida Research and Education Center (SWFREC) in Immokalee. Kanissery said his work on psyllids feeding …
Getting HLB Material Into Phloem
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Ozgur Batuman discusses efforts to get materials that fight HLB into the citrus tree’s phloem, where it might be most effective. Batuman explains that bacteria that cause HLB “live inside the phloem of citrus. That is very difficult to reach to kill … by conventional methods, such as …
Understanding Glyphosate Formulations
By Ramdas Kanissery, Steve Futch, Brent Sellers and Camille McAvoy Glyphosate is a popular post-emergent herbicide among Florida citrus growers for its broad-spectrum of weed control under trees and in row middles. The use of glyphosate as a “burn-down” application alone, or in combination with other herbicides, is a standard practice in citrus groves. Various glyphosate-containing product formulations are available …
Studying Citrus Greening with an Integrated Approach
While citrus growers continue to look for best management approaches to deal with the deadly greening disease, scientists will take an integrated look at how to protect young trees by using existing tools growers can use. Five scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) will compare insect management tools, including insect-proof netting. Researchers also …
Jack Payne Announces Retirement
After serving nearly 10 years as the senior vice president for agriculture and natural resources with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), Jack Payne announced he will retire next year. His last day with UF/IFAS will be July 1, 2020. Payne has overseen Extension offices across Florida and its 12 research and education centers since …
Update on Brassinosteroids for HLB Management
By Fernando Alferez, Christopher Vincent and Tripti Vashisth Brassinosteroids (BR), a relatively newly discovered class of plant hormone, regulate several developmental and physiological processes in fruit crops such as grapes, pears and cherries and in some non-edible plants. BR also induce disease resistance against different pathogens in a great number of crop plants. A form of BR (epibrassinolide) was shown …
Many Aspects of CUPS Addressed
Arnold Schumann, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor of soil science, reports on his five years of research into citrus under protective screen (CUPS) for fresh fruit. He is one of the first researchers in Florida to do extensive, hands-on research into the system. His discussion is part of the current All In For Citrus …
TCP Might Help Trees Tolerate HLB
Laboratory tests of tricalcium phosphate (TCP) indicate it has potential use as a fertilizer that might help citrus growers cope with HLB, says Laura Waldo, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) laboratory manager. “The hope is that it can help a tree by inducing root hair development and thereby allowing the tree to uptake nutrients …
Study Aims to Use Orange Peels for Better Heart Health
You’ve heard an apple a day keeps the doctor away. Now orange peels may improve your heart health. Yu Wang, an assistant professor of food science and human nutrition at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been awarded a $500,000 grant from the U.S. Agriculture and Food Research Initiative, part of the U.S. Department …
Kids to Learn About Citrus in Labs During Youth Day
Children are invited to an up-close-and-personal, hands-on experience with the world of citrus. They might even get their hands dirty while touring plant labs at this year’s third annual Citrus Youth Day on June 27. Scientists at the Citrus Research and Education Center (CREC) in Lake Alfred, Florida, part of the University of Florida Institute of Food and Agricultural Sciences …





























