Colony Collapses

Protecting Honey Bees in Citrus Groves

Tacy CalliesEnvironment

By Sylvia Willis, Amy Vu and Jamie Ellis When people think of Florida, the first thing that comes to mind is Fresh From Florida oranges. Florida accounts for 44 percent of total U.S. citrus production. Citrus, like many other fruits, vegetables and specialty crops, requires certain inputs to grow and produce fruit. But how are pollinators and the production of …

Delivering Peptides to Fight HLB

Tacy CalliesHLB Management

Encouraging news stories have appeared in recent months on the possible benefits of using peptides in the fight against HLB. Peptides, small groups of linked amino acids, have many functions, including acting on pathogens. As researchers continue to investigate the role of peptides in the fight against HLB, they are also looking for the most effective delivery method of these …

Adjuvants Did Not Improve Delivery of Foliar-Applied Oxytetracycline

Tacy CalliesCitrus Expo

In 2016, federal authorities began allowing Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. Since then, researchers have been investigating oxytetracycline delivery methods. In a Citrus Expo presentation, Christopher Vincent, assistant professor of horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, shared …

irrigation

Irrigation Scheduling to Optimize Tree Performance

Tacy CalliesIrrigation, Tip of the Week

By Davie Kadyampakeni Proper irrigation scheduling applies an appropriate volume of water to a citrus grove at the appropriate time based on tree need, soil properties and weather conditions. Applying water in the right amount, right quantity and at the right time is very important for getting the best out of citrus trees. Several tools are available for determining when …

Cover Crops and Nematicides for Sting Nematode Management

Tacy CalliesPests

By Larry Duncan, Johan Desaeger and Sheng-Yen Wu The citrus row middle habitat changed profoundly beginning in the 1970s as mowing replaced disking for weed management. This change ended the costly cycle of cutting and regrowing citrus roots near the soil surface and reduced soil erosion, among other benefits. Mowing also allowed a seasonal succession of native plants to flourish, …

Get Citrus Growers’ Institute CEUs

Ernie NeffAll In For Citrus Podcast, CEU

Citrus growers can get continuing education units (CEUs) from the 2020 Florida Citrus Growers’ Institute, even though the in-person version of the annual event was cancelled due to COVID-19. Multi-county citrus Extension agent Chris Oswalt discusses how growers and others can get their restricted-use pesticide license or Certified Crop Advisor CEUs. “We have started to receive those presentations from those …

UCR Scientists Say New Peptide Could Control HLB

Len WilcoxCalifornia Corner, Citrus

According to a news article released by the University of California Riverside (UCR), scientists there have found a substance which may be capable of controlling citrus greening disease. The disease, also known as huanglongbing (HLB), has devastated citrus in Florida and in other regions worldwide. It also threatens California crops. The article says the new treatment effectively kills the bacterium …

New Opportunity for Citrus Growers to Earn CEUs Online

Tacy CalliesCEU

When the annual 2020 Florida Citrus Growers’ Institute was canceled due to the stay-at-home guidelines recommended by the state, growers were shut out of learning the latest research updates from University of Florida citrus scientists. In addition, they were denied access to earning valuable continuing education units (CEUs) needed to renew pesticide licenses. University of Florida/Institute of Food and Agricultural …

Antibiotics Used in Citrus

Tacy CalliesBactericides

A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …

HLB a Target of MIT Research

Ernie NeffHLB Management, Research

Citrus, olives and bananas are under threat in many areas due to diseases that affect plants’ circulatory systems and that cannot be treated by applying pesticides. Huanglongbing (HLB) is the disease inflicting heavy damage on citrus in Florida and many other parts of the world. These diseases are difficult to detect early and to treat, given the lack of precision …

projects

How to Keep Your Irrigation System Properly Maintained

Tacy CalliesIrrigation

By Davie Kadyampakeni and Arnold Schumann Irrigation system maintenance is critical for proper and efficient delivery of water in citrus and other irrigated crops. A well maintained and functional irrigation system will deliver the required amounts of water to the root zone when needed and help growers optimize crop production. If an irrigation system is not working optimally, crops can …

transactions

Nutrients for the Grove: A Nurseryman’s Tips

Ernie NeffNutrition

By Aaron Himrod Good nursery growers are constantly monitoring their nutrition levels to produce well-nourished plants. While a grove owner cannot employ the same intensity of nutritional control as in an enclosed structure with consistent plant media, the principles apply in the field just as much in the nursery. A steady supply of comprehensive nutrition in the appropriate balance is needed …

New Citrus Greening Treatment Shows Promise

Tacy CalliesCitrus 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 …

Citrus Grower Sees Success with Cover Crops

Tacy CalliesCover Crops

By Juanita Popenoe and Lauren Diepenbrock Ed James has citrus in his veins. He has been working and thriving in the citrus business since he was a teenager — from hoeing orange trees to owning a caretaking business that serviced thousands of acres. That is, until about eight years ago. In 2010, James looked around his personal 45-acre citrus grove …

Strategies for Stronger Roots

Tacy CalliesRoot health

Citrus growers discuss production practices to improve root health. By Tacy Callies What began as an experiment in Ben Krupski’s 10-acre grove in Howey-in-the-Hills, Florida, is now a common practice he uses as production manager for Lennon Grove Service. Four years ago, Krupski started testing the use of compost in his small leased block of Hamlin trees. In the first …

chemicals

Automated System Under Study to Deliver Bactericides

Daniel CooperCitrus Greening, Industry News Release, Research

Imagine using a robotic arm to grip and puncture the trunk of a citrus tree to deliver chemicals into the vascular parts of the plant, reducing its susceptibility to the citrus greening disease. Ozgur Batuman, an assistant professor of plant pathology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), leads a team of researchers trying to …

bmp

What You Need to Know About Citrus Fertigation

Tacy CalliesIrrigation, Nutrition

By Mongi Zekri, Davie Kadyampakeni, Tripti Vashisth, Kelly Morgan, Tom Obreza and Brian Boman Microirrigation is an important component of citrus production systems in Florida. For citrus trees, microirrigation is more desirable than other irrigation methods for several reasons: water conservation, fertilizer management efficiency and freeze protection. Research has shown that when properly managed, water savings with microirrigation systems can …

Putting Florida Citrus in the Public Spotlight

Tacy CalliesPublic Relations

The Edison & Ford Winter Estates Citrus Project will promote the value of the Florida citrus industry. By Jim Gravley The citrus industry has endured many setbacks this year and needs an across-the-board evaluation. As a grower first, I devote my extra time to helping assist the industry with current issues affecting production, research and the marketing of our product. …

Agricultural-Environmental Leadership Award Winners Include Citrus Growers

Tacy CalliesIndustry News Release

Florida Commissioner of Agriculture Adam H. Putnam announced the recipients of the Commissioner’s Agricultural-Environmental Leadership Award, which recognizes the environmentally innovative farming techniques of Florida’s farmers and ranchers. This year’s recipients are: Jim Strickland of Blackbeards’ Ranch in Manatee County, Chuck Allison of Wild Goose Farms in Umatilla and James Shinn of Shinn Groves/ Tree O’Groves in Lake Alfred. Florida’s …

Texas A&M AgriLife Research, Consortium Get Grant for HLB Research

Tacy CalliesResearch

A Texas A&M AgriLife Research scientist at Weslaco will lead a consortium of researchers in major citrus-producing regions to conduct high-throughput screening in discovering antimicrobials that could prevent citrus greening. Citrus greening, also known as huanglongbing (HLB) disease, has devastated citrus fruit crops in Florida and has made its way to Texas and California. The research grant of approximately $1.2 …