An Alternative Approach to Citrus Greening

Jim Rogers Citrus Greening, Florida, HLB Management

“Life as a citrus grower is a perilous journey,” says Chip Henry. Among the toughest perils the third-generation Florida grower has endured are the freezes of the 1980s, the threat of losing his land to highway construction, and the scourge of citrus greening. Henry’s story begins with the founding of O.E. McGuire Groves in Apopka by his maternal grandparents in …

citrus greening

Citrus Greening Inevitable for North Florida, South Georgia

Tacy Callies Citrus Greening

It’s not a question of if citrus greening disease will be an issue for North Florida and South Georgia citrus growers, but when will it be. Fred Gmitter, a University of Florida Institute of Food and Agricultural Sciences citrus breeder, believes the disease’s impact in both areas is inevitable. He shared his assessment during a recent Cold Tolerant Citrus Production …

Georgia Growers: Stop Citrus Greening Spread

Tacy Callies Citrus Greening

Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist, is concerned about the potential impact of citrus greening disease in Georgia. That’s why he is encouraging Georgia growers to quickly dispose of infected trees if any are found. “Once greening becomes really widespread and established in a lot of our trees, it’s really hard to stop it,” Oliver …

project

Florida Citrus Industry Continues Decline

Tacy Callies Citrus Greening

Florida citrus production has decreased for almost two decades. According to Marisa Zansler, director of economic and market research at the Florida Department of Citrus, the two main factors for the state’s steady decline are citrus greening (huanglongbing, known as HLB) and Hurricane Irma. Zansler presented staggering statistics during the Florida Agricultural Policy Outlook Conference on Feb. 26 that showed …

Citrus Greening Solutions: How Long Will It Take?

Tacy Callies Citrus Greening

It may not be the answer Florida citrus growers want to hear, but it is likely to be several years before a citrus greening remedy is put in place to combat the destructive disease. University of Florida professor Fred Gmitter shared his assessment on possible citrus greening solutions during a recent American Seed Trade Association webinar. “We learn a lot …

florida all

Field-Tested Peptide Treats Citrus Greening

Tacy Callies Citrus Greening

Elemental Enzymes, a St. Louis biotechnology firm, has obtained a patent for a natural peptide solution to treat citrus greening disease. The peptide solution, Vismax, is readying for commercialization and is expected to reach the market by 2022. Vismax has been developed and extensively field tested, says Brian Thompson, CEO of Elemental Enzymes. Thompson gave a presentation on Nov. 18 …

Florida citrus growers

Organic Solutions to Citrus Greening Sought

Tacy Callies Citrus Greening, Organic

The Organic Center is currently working with the University of Florida, the University of California, Riverside, and several citrus growers and industry members to conduct a national review of how citrus greening disease is impacting organic growers and other industry members.  The information will be used to develop a large-scale holistic research project proposal targeted toward protecting organic citrus growers from citrus …

citrus

New Resource to Help Fight Citrus Greening

Tacy Callies Citrus Greening

If information is power, Florida citrus growers have a new asset in their fight against citrus greening disease. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) statewide citrus program launched a major revision of a website, providing instant access to a portfolio of information valuable to growers. The http://citrusresearch.ifas.ufl.edu/ website is now easier to navigate and includes …

HLB Update for North Florida, South Georgia

Ernie Neff Citrus Greening

Since 2018, there have been no huanglongbing (HLB) finds in commercial citrus groves in North Florida, and there have still been no disease detections in Georgia groves. In North Florida, HLB was detected in groves in Live Oak in Suwanee County and Perry in Taylor County in 2018, reported Xavier Martini, a University of Florida Institute of Food and Agricultural …

New Citrus Greening Treatment Shows Promise

Tacy Callies Citrus Greening, Industry News Release, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have discovered another possible solution to the plague of citrus greening that is impacting Florida’s citrus groves. This new information adds to the growing portfolio of knowledge that UF/IFAS scientists are amassing to fight the disease. Led by UF/IFAS microbiology and cell science professor Claudio Gonzalez, a team of plant …

nutrition

Updated Citrus Nutrition Guide Helps Growers Manage Greening

Daniel Cooper Citrus Greening, Industry News Release

Florida citrus growers hit hard by citrus greening can benefit from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) expertise in an updated book — the third edition of the Nutrition of Florida Citrus Trees. Greening, known scientifically as huanglongbing (HLB), has caused significant damage to Florida’s citrus industry. UF/IFAS scientists and Extension faculty have updated the guide …

researchers

Even in Times of Crisis, Citrus Research Continues

Daniel Cooper Citrus Greening, Industry News Release, Research

(UF/IFAS) —The coronavirus has upended daily routines, events and schedules. From work to schools to shopping, every aspect of life changed overnight and continues to change with each passing day. Even with a global pandemic, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers plow forward in their quest to find answers to fighting the devastating disease …

scientists

Viruses Might Help Control Asian Citrus Psyllids

Daniel Cooper Citrus Greening, Industry News Release, Psyllids, Research

(UF/IFAS) — University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are working toward establishing a new biological method that may help growers control the insect that transmits the deadly greening disease into citrus trees. Greening is present in about 95 percent of the citrus trees in Florida, so by using a virus that may kill the insect, …

Florida citrus growers

Keeping Citrus Greening out of Georgia Groves

Tacy Callies Citrus Greening, Georgia

By Clint Thompson Citrus greening disease is not yet a problem in Georgia. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, wants to keep it that way. The disease that has impacted citrus production in Florida for more than a decade has only been observed in backyard plantings in Georgia. However, since the state is expected …

trained

Trained Dogs Are the Most Efficient Way to Hunt Citrus Industry’s Biggest Threat

Daniel Cooper Citrus Greening, HLB Management, Industry News Release

(USDA/ARS) — Dogs specially trained by Agriculture Research Service (ARS) scientists have proven to be the most efficient way to detect huanglongbing— also known as citrus greening — according to a paper just published in the Proceedings of the National Academy of Sciences. Currently, the only solid hope of curtailing the spread of citrus greening is to eliminate trees with the …

Citrus Greening Bacterium Is Now Available in Culture — So What’s Next?

Tacy Callies Citrus Greening, Research

By Nabil Killiny A dynamic research collaboration between several labs at Washington State University (Gang, Beyenal and Omsland labs), University of Arizona (Brown lab) and University of Florida (Killiny lab) recently reported an important step in the long-sought culture of the bacterium [Candidatus Liberibacter asiaticus (CLas)] associated with huanglongbing (HLB). The work, published in the journal Biofilm, describes a new …

citrus

Stay Sought in Citrus Tree Appeal

Daniel Cooper Citrus, Citrus Greening, financial, Industry News Release

(NSF) — The Department of Agriculture and Consumer Services wants the Florida Supreme Court to put on hold a legal battle about payments to Lee County homeowners whose healthy citrus trees were cut down amid an effort to halt the spread of citrus-canker disease. The department on Wednesday filed a motion for a stay, after taking the long-running case to the Supreme Court last …

rubio

Rubio Secures Funding for Citrus Greening

Daniel Cooper Citrus Greening, Industry News Release, Legislative

The Senate passed an appropriations minibus package that included critical funds for Florida secured by Senator Rubio (H.R 3055, Commerce, Justice, Science, Agriculture, Rural Development, Food and Drug Administration, Interior, Environment, Transportation, and Housing and Urban Development Appropriations Act of 2020). In his role on the Senate Appropriations Committee, Senator Rubio secured major funds for Florida’s citrus industry:  $8.5 million …

hurner

Laurie Hurner: Citrus Is in Her Blood

Daniel Cooper Citrus Greening, Industry News Release

Laurie Hurner grew up in a fifth-generation Florida citrus-growing family, and she and her sisters worked their farm in Highlands County. “My parents had three daughters,” said Hurner, the director of University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension Highlands County and the county’s citrus agent. “We were all well-rounded.” From their mom, the girls learned what …

Florida orange

Oxytetracycline Sprays vs. Trunk Injections

Daniel Cooper Citrus Greening, HLB Management, Industry News Release, Research

Since 2016, federal authorities have allowed Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. A newly published University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study suggests that the bactericide would be more effective if it were injected into citrus tree trunks, a practice not currently approved under U.S. law. Citrus …