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 …
Help Trees Weather Heat With Particle Film
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
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
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
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
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
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
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
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 …
Safeguard Produce Supply, Coalition Urges
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
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 …
Long-Term Research Proves CUPS Performance
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
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 …
Growing Matters: BeSure! Campaign Stresses Importance of Pesticide Labels
The BeSure! campaign from the Growing Matters Coalition tells us it’s always a good time to check your pesticide’s label. The coalition says when choosing crop protection tools, both effectiveness and potential impact on the environment must be considered. Protecting bees and other wildlife is a major part of good stewardship practices and is why Growing Matters launched BeSure!, an initiative to support growers …
Weather, Costs and Other Citrus Impacts
In U.S. Citrus Production – An Uphill Battle to Survive, Daniel Munch zeroed in on issues impacting citrus-producing states. In excerpts that follow, the American Farm Bureau Federation economist focuses on weather, disease, population, production shifts and increasing costs that have impacted citrus. FLORIDA FACES NUMEROUS CHALLENGESIn 2017, Hurricane Irma’s high winds and damaging rains battered key citrus-producing regions in …
Citrus Pest Management Course Offered
Citrus industry workers interested in learning more about citrus pest management are encouraged to enroll in Citrus Pest Management, a 16-week course taught by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty in the fall of 2023. The class provides a comprehensive overview of citrus pests and how best to manage them in today’s citrus greening environment. …
Monitor and Manage Ambrosia Beetles
Winter Storm Elliott brought freezing temperatures to the Florida Panhandle Dec. 24–28, 2022, resulting in significant damage to citrus in the cold-hardy growing region. Trees that received significant freeze damage are more vulnerable to pests and diseases. Ambrosia beetles are among the pests being seen as a result of the storm. Because ambrosia beetles generally prefer dead or dying trees, …
U.S. Citrus Concerns Summarized
American Farm Bureau Federation economist Daniel Munch recently detailed concerns about the U.S. citrus industry in a report titled U.S. Citrus Production – An Uphill Battle to Survive. Excerpts providing an overview of those concerns follow. Once leaders in citrus crop production, U.S. growers (particularly those in Florida) have faced numerous challenges that have led to an unfortunate decline in …
Seminar Speakers Share Latest Citrus Research
The citrus session at the Florida Grower Citrus Show started off with a special award acknowledgement by Ron Cave, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC). Cave recognized Pasco Avery for his induction into the 2022 class of the IPM Hall of Fame from the Southern IPM …
Citrus Research Funding Update
During the recent Florida Citrus Growers’ Institute, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, provided details on recently funded citrus research projects. “The $16.3 million (from the U.S. Department of Agriculture) will go toward new research or continuing research to keep promising projects going,” Rogers said. Eight …