Update on Snail Management in Citrus

Josh McGillPests, Tip of the Week

By Lauren Diepenbrock Snail management is becoming a more common discussion in Florida citrus with the arrival of a newer species (Bulimulus bonariensis, previously referred to as Bulimulus sporadicus, Figure 1) in the Southeast. This snail is a new challenge for citrus growers. With funding from the Citrus Research and Development Foundation, the University of Florida Institute of Food and …

Repurposing Tools to Tackle HLB

Josh McGillHLB Management

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP The hurricane-battered harvest numbers don’t show it, but we’re in a much better place in developing scientific solutions for managing HLB than we were a year ago. That’s because our scientists have discovered that tools invented to solve other problems can help address your one big problem. GIBBERELLIC ACIDFor example, gibberellic acid (GA) has …

Questions Remain on Cover Crops and Compost

Josh McGillSoil Health

Cover crops and compost can impact soil microbes in citrus groves, and that’s generally considered a good sign, soil microbiologist Sarah Strauss said in a virtual May 24 seminar. Microbes are critical components of soil health through their contributions to soil organic matter, nutrient cycling and plant defenses. But the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …

PIECES OF THE PAST: A Granddaughter’s Recollections

Josh McGillPieces of the Past

By Brenda Eubanks Burnette Editor’s note: Last month’s Pieces of the Past featured Edward Postell Porcher, one of the original Florida Citrus Hall of Fame inductees. This month, his granddaughter shares more memories about him and the citrus industry. Edward Postell Porcher’s granddaughter, Norris Porcher Andrews, was interviewed by Nancy Yasecko at the Porcher House in 1994 for the Brevard …

Sneak Peek: June 2023 Citrus Industry

Josh McGillSneak Peek, Soil Health

During a historically low period of Florida citrus production, Inverness grower Chuck Bellamy has found a way to keep fruit on his trees. In the June cover story of Citrus Industry magazine, he tells what regenerative practices have reduced fruit drop in his grove. Not only is he keeping more oranges; he has lowered his production costs in the process. …

Cold-Hardy Citrus Production and Challenges

Josh McGillCold Hardy

By Maegan Beatty Cold-hardy citrus is grown across a few thousand acres in more than 16 counties in North Florida and South Georgia. The satsuma mandarin is a cold-hardy species that has been grown throughout North Florida since the 1800s. The fruit is typically medium sized, a reddish orange color and can produce the highest quality in cooler winters and …

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Help Trees Weather Heat With Particle Film

Josh McGillTip of the Week, Weather

By Sharpton Toussaint and Christopher Vincent Kaolin particle film is a promising grove management technique for pest control and growth enhancement. The optimal rates to use to improve water use and growth in citrus trees remain an important area of investigation. Citrus leaves are prone to water deficits because they transpire more water than the stems can supply. University of …

Native Lime Might Keep HLB Out of Australia

Josh McGillHLB Management, International, Limes

A comprehensive map of the genome of an Australian native lime species that is resistant to HLB could be the key to preventing the disease from entering Australia. Researchers from The University of Queensland (UQ) in Australia have sequenced the genome of the Australian round lime, also known as the Gympie lime. They are now looking at five other native …

All In For Citrus Podcast, May 2023

Josh McGillAll In For Citrus Podcast

There is some buzz among citrus growers that new HLB therapies are beginning to show positive results in trees. But visual observations of trees are subjective and can vary from grove to grove and grower to grower. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has developed a new tool for growers that will provide a more …

U.S. Citrus Demand Exceeds Supply

Josh McGillExport/Import, Production

While the U.S. domestic supply of citrus has declined tremendously, imports have increased substantially. That, says American Farm Bureau Federation economist Daniel Munch, is a telltale sign that consumer demand for citrus in the United States is now greater than domestic production capacity. “In other words, we’ve become partially reliant on other nations for citrus products,” Munch writes in U.S. …

Citrus Black Spot Spreads in Polk County

Josh McGillDiseases

Citrus black spot (CBS) disease was confirmed at a second location in Florida’s Polk County in March. The new find was in a grove near State Road 60 and Indian Lake Estates, east of Lake Wales. The only prior CBS infestation in Polk County was near U.S. 27 on the Highlands County border. But that location was turned into an …

Funding for Existing and Transitioning Organic Producers

Josh McGillOrganic

Agriculture Secretary Tom Vilsack announced additional steps being taken to strengthen the market for domestically grown organic goods, and to support producers seeking organic certification. These funding opportunities are part of the U.S. Department of Agriculture’s (USDA) Organic Transition Initiative. The initiative is a suite of offerings to help existing organic producers and those transitioning to organic production and processing. …

Projects Selected for Existing Tree Therapies Program

Josh McGillCRAFT

The Citrus Research and Field Trial (CRAFT) Foundation received nearly 700 eligible applications — representing more than 42,000 acres — for its new Existing Tree Therapies Program. A random lottery drawing was recently conducted by a third party, and 159 projects have been selected for inclusion in the program. The remaining applications have been placed on a waitlist.  CRAFT staff …

Indian River Center to Add Citrus Researcher

Josh McGillIndian River, Research

Brazil native Flavia Zambon will become assistant professor of production horticulture of citrus and other tree crops at the Indian River Research and Education Center (IRREC) in November. The IRREC, located in Fort Pierce, is a branch of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS).  Zambon has had years of research experience in all of Florida’s …

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Safeguard Produce Supply, Coalition Urges

Josh McGillInternational

The Global Coalition of Fresh Produce recently called on national and international policymakers to implement measures to safeguard the supply of affordable and safe fruits and vegetables worldwide. The coalition also sought to ensure the viability of the fruit and vegetable industry. The coalition made the requests in a report titled Global Value Chains for Fresh Produce: An Urgent Call …

Determine Tree Health With Canopy Assist

Josh McGillHLB Management, Technology, Tip of the Week

By Amit Levy and Tripti Vashisth Many Florida citrus growers are currently injecting oxytetracycline, spraying gibberellic acid (GA) or treating trees with enhanced nutrition. A new program offered by the University of Florida Institute of Food and Agricultural Sciences (UFIFAS) Citrus Research and Education Center (CREC) can help growers determine if these treatments are improving tree health and leading to …

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Long-Term Research Proves CUPS Performance

Josh McGillCUPS, Research

Arnold Schumann, a professor of soil fertility and water quality with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), led the effort to study the effectiveness of citrus under protective screen (CUPS) in protecting trees from HLB. The work resulted in growers having confidence in the practice. Today, Florida CUPS plantings are closing in on 1,000 commercial …

Hurricane Relief Act Advances

Josh McGillhurricane, Legislative

The U.S. House Committee on Agriculture on May 11 reported favorably on a bill that would provide relief to Florida agriculture producers harmed by Hurricanes Ian and Nicole in 2022. The Block Grant Assistance Act is a bill to ensure the U.S. Department of Agriculture (USDA) can provide that relief. The bill will head to the U.S. House floor for …