IFAS News

University of Florida

UF/IFAS researchers train Southeast growers on new federal food safety act requirements

Topic(s): Agriculture, Crops, Departments, Extension, IFAS, RECs, Safety

Horacio Alvardo, left, and Troy Rumore load 200 boxes of oranges and grapefruit, Thursday DEC-6, 2001,  being shipped from the University of Florida to the families of those who lost their lives in rescue efforts in New York after the Sept. 11 terrorist attacks. Students in the Gator Citrus Club at UF's College of Agricultural and Life Sciences started the holiday gift drive. Citrus packers from around the state are donating fruit, and members of the public can contribute to the cost of shipping and handling. Gift boxes can be sent to the fire or police department in New York. For additional information, contact the Gator Citrus Club at (352) 392-5653.

GAINESVILLE, Fla. — University of Florida Institute of Food and Agricultural Sciences researchers and Extension agents are fanning across the state and the Southeast region to help growers and packers meet new federal food safety guidelines.

Driving across the state to packinghouses, farms and training centers, scientists such as Michelle Danyluk, Keith Schneider and Renee Goodrich are training growers in the latest regulations. “The state is massive, and we are not only tasked with helping Florida farmers meet new safety guidelines, but also are tasked with training educators in the Southeast so they can help growers in their states,” said Schneider, who with his colleagues is in the UF/IFAS department of food science and human nutrition.

Last fall, the U.S. Food and Drug Administration (FDA) released several major rules that comprise the new Food Safety Modernization Act (FSMA). The federal government has recognized the role of Extension specialists in training programs for key sections such as the Produce Safety Rule and the Preventive Controls for Human Foods Rule, Schneider said.

The University of Florida is one of two institutions that was awarded a $1.2 million grant by USDA in 2015 to help lead such training, Danyluk said. The Southern Training, Education, Extension, Outreach, and Technical Assistance Center to Enhance Produce Safety at UF, led by Danyluk, is one of two regional programs that play a leading role in coordinating and implementing FSMA-related training, education, and outreach programs for small and medium-sized farms, beginning farmers, socially disadvantaged farmers, small processors, and/or small fresh fruit and vegetable merchant wholesalers.

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Nature already dramatically impacted by climate change, study reveals

Topic(s): Agriculture, Conservation, Departments, Environment, Forestry, IFAS, Pollution, Safety, Weather

Lake Alice, trees, nature, water, landscape.    UF/IFAS Photo by Tyler Jones.

GAINESVILLE, Fla. — Global climate change has already impacted every aspect of life on Earth, from genes to entire ecosystems, according to a new study by the University of Florida Institute of Food and Agricultural Sciences and in cooperation with a broad international partner group, published in the prestigious journal Science.

“We now have evidence that, with only a ~1 degree Celsius of warming globally, major impacts are already being felt in natural systems,” said study lead author Brett Scheffers, an assistant professor in the UF/IFAS department of wildlife, ecology and conservation. “Genes are changing, species’ physiology and physical features such as body size are changing, species are shifting their ranges and we see clear signs of entire ecosystems under stress, all in response to changes in climate on land and in the ocean.”

During this research, Scheffers, a conservation ecologist, collaborated with a team of researchers from 10 countries, spread across the globe. They discovered that more than 80 percent of ecological processes that form the foundation for healthy marine, freshwater and terrestrial ecosystems already show signs of responses to climate change.

“Some people didn’t expect this level of change for decades,” said co-author James Watson, of the University of Queensland in Australia. “The impacts of climate change are being felt with no ecosystem on Earth being spared.“

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UF/IFAS helps landowners protect forests for future generations

Topic(s): Agriculture, Departments, Extension, Forestry, IFAS

Bob Reid, part of the UF/IFAS Land Stewardship Program, walking through the forest on his property. Photo taken 04/06/16.

GAINESVILLE, Fla. — When veterinarian Bill Bennett first bought his 1,200 acres of land in Levy County, he wasn’t sure what he would do with it. “I didn’t know anything about working the land, and I wasn’t sure what I wanted to do,” he said.

Bennett heard about the Florida Forest Stewardship program—a collaboration of the University of Florida Institute of Food and Agricultural Sciences and various state agencies—and decided to give organizers a call. Chris Demers, a UF/IFAS Extension program manager who oversees the university’s participation in the program, suggested that Bennett attend workshops to gain knowledge.

“I knew I loved pine trees, but I had absolutely no knowledge of how to go about building a pine tree plantation,” Bennett said. “Everything I know, I learned through the stewardship program or through other participants. It has been invaluable to my success as a landowner.”

The Florida Forest Stewardship program was created in 1990 by the U.S. Forest Service to encourage private landowners to manage their forest resources for multiple benefits, said Demers, who is with the UF/IFAS School of Forest Resources and Conservation. “UF/IFAS’ role is to coordinate educational programming and outreach,” he said.

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UF/IFAS FAWN system helps growers save water, money

Topic(s): Agriculture, Citrus, Crops, Departments, Economics, Extension, IFAS, New Technology, RECs, Research, Weather
Rick Lusher, standing, and George Braun, field site supervisor for FAWN, install a temperature sensor at a monitoring station located at UF's Plant Science Research and Education Unit in Citra, Fla.  Spring 2008 Impact Magazine image.  UF/IFAS File Photo.

See cutline below.

GAINESVILLE, Fla. — Citrus grower James Shinn remembers days when he and his workers would rush out as early as 5 p.m. to turn water pumps on to irrigate his crops. “We had no idea when the temperature would drop, so we had to get out there early and get the water going.”

Now, researchers with the University of Florida Institute of Food and Agricultural Sciences are helping state growers save millions of dollars via a tool to gauge weather in agricultural areas.

The Florida Automated Weather Network (FAWN), was started in 1998 to provide weather decision-making data in agricultural regions, said Rick Lusher, director of FAWN. While all National Weather Service tools are located at airports, FAWN stations are located in agricultural areas, he said.

“We estimate that if farmers use FAWN tools to determine when to irrigate their crops, they can save millions of dollars and millions of gallons of water,” Lusher said.

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UF/IFAS professor receives USDA grant to help small food businesses

Topic(s): Agriculture, Announcements, Departments, Extension, Families and Consumers, Food Safety, IFAS, Uncategorized
Soohyoun Ahn. Assistant Professor. Food Science and Human Nutrition.

Soohyoun Ahn. Assistant Professor. Food Science and Human Nutrition.

GAINESVILLE, Fla. – A University of Florida Institute of Food and Agricultural Sciences professor has been awarded part of a $4.7 million grant from the U.S. Department of Agriculture (USDA) to continue her food safety outreach programs.

The grant, through the USDA’s National Institute of Food and Agriculture (NIFA), will be used for safety education, training and technical assistance projects for producers who are impacted by the new food safety guidelines established by the Food and Drug Administration (FDA) under the Food Safety Modernization Act. The grants, made available through NIFA’s Food Safety Outreach Program, will assist owners and operators of small to mid-sized farms, beginning farmers, socially-disadvantaged farmers, small processors, small fresh fruit and vegetable wholesalers, food hubs, farmers markets and others.

“Providing food safety training for small farm owners and food processors is critically important to the health of consumers,” said NIFA Director Sonny Ramaswamy. “Outreach, training and technical support are essential to the successful implementation of the Food Safety Modernization Act.”

Soohyoun Ahn, an assistant professor in food safety in the UF/IFAS food science and nutrition department, will receive $163,284 to continue her programs that help Floridians enter the food business. Ahn, who also has a UF/IFAS Extension appointment, is leading the food entrepreneurship extension program as the coordinator, and has delivered food safety education throughout the state to those who want to sell products at farmers markets, or who want to open their own food businesses in Florida.

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UF/IFAS Everglades REC offers free plant workshop to middle, high school teachers on Sept. 27

Topic(s): Agriculture, Crops, Departments, Environment, IFAS, Invasive Species, Lawn & Garden, Pests, RECs

Arabidopsis trials in the lab as part of Ana Lisa Paul's plants in space research program.  Photo taken 01/29/16.

BELLE GLADE, Fla. — Want to teach your students the good, the bad and the ugly about plants while incorporating three different sciences? Researchers at the UF/IFAS Everglades Research and Education Center will lead the second annual workshop, “Don’t Get Caught with Your Plants Down,” from 8:30 a.m. to 3 p.m. on Tuesday, Sept. 27.

The free workshop will be held at UF/IFAS Everglades Research and Education Center, 3200 East Canal Street, Belle Glade, Florida. Breakfast and lunch will be provided, and in-service points for professional development will be awarded by school districts through Master Inservice Plans (MIP).

This year’s program, developed by the UF/IFAS department of plant pathology, uses resources available from the American Phytopathological Society, said Richard Raid, a professor of plant pathology and workshop organizer. Middle and high school teachers will take back vital information to students on the importance of plants in daily life, he said.

Florida is home to the most invasive species in the country, and many travel in to the state via plants, Raid explained.

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UF/IFAS researcher: Insects increase metabolism to adapt to dramatic weather change

Topic(s): Agriculture, Departments, Entomology and Nematology, Environment, IFAS, Pests, Research

Daniel Hahn, an associate professor with UF’s Institute of Food and Agricultural Sciences, displays the type of flies he and former postdoctoral associate Giancarlo López-Martínez sterilized under a low-oxygen environment. Their studies demonstrate that doing so results in sterile flies who remain attractive suitors for mates than their counterparts sterilized in normal-oxygen conditions. UF/IFAS photo by Marisol Amador.

 

GAINESVILLE, Fla. — A recent study led by a University of Florida Institute of Food and Agricultural Sciences researcher found that an insect has evolved metabolically in response to an increase in weather cold snaps.

Daniel Hahn, an associate professor in the entomology and nematology department at UF/IFAS, led a team of researchers from UF, the University of California Berkeley, the University of Alabama-Birmingham and Kansas State University in the study of the fly, Drosophila melanogaster. Researchers found that selection to recover more quickly from cold snaps also drove the evolution of higher metabolic rates.

“While we hear a lot about warmer weather in spring and fall, weather fronts will continue to bring bouts of cold,” said Hahn, whose research focuses on ecological and evolutionary physiology. “This makes the transitions from warm to cold temperatures more extreme, and increases the vulnerability of animals and plants to damage from snap freezes.

“Small animals that rely on the environment to regulate their body temperature—like insects, frogs, and even sea turtles—are also susceptible to stress and even death from extreme cold fronts. We found clear changes in metabolism of the fly as it evolves and adapts to the cold snaps.”

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UF/IFAS researchers scramble to find cure for tenacious, costly sugarcane virus

Topic(s): Agriculture, Crops, Departments, Entomology and Nematology, IFAS, Invasive Species, Pests, RECs, Research

1-Sugarcane leaf with yellowing of lower midrib

GAINESVILLE, Fla. — Researchers with the University of Florida Institute of Food and Agricultural Sciences are working to find a cure or develop resistant varieties for a virus that is attacking sugarcane and sorghum throughout the Everglades agricultural region. Florida produces more than 50 percent of all sugarcane in the United States, making it the largest producer in the nation.

The sugarcane yellow leaf virus was first identified in Hawaii during the 1980s. The virus was found in Florida in 1993, said Philippe Rott, a professor of plant pathology at the UF/IFAS Everglades Research and Education Center in Belle Glade, Florida. Symptoms include a yellow stripe down the middle of sugarcane leaves, he said.

“The virus travels down the vascular bundle of the plant and interferes with the movement of nutrients,” Rott said. “This, in turn, stunts the growth of the plant.”

The virus is carried by an aphid, a tiny bug that feeds by sucking sap from plants, said Gregg Nuessly, director of UF/IFAS Everglades REC and a professor of entomology. Nuessly’s and Rott’s research has identified the carrier of the virus, and trials are in progress to see if insecticides are effective at killing the aphid.

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UF/IFAS hires Eminent Scholar to help in fight against citrus greening

Topic(s): Agriculture, Announcements, Citrus, Departments, Entomology and Nematology, IFAS, Pests

Bryony Bonning

GAINESVILLE, Fla. — The University of Florida Institute of Food and Agricultural Sciences has added another soldier in its battle against citrus greening by hiring world-renowned entomologist Bryony Bonning. She has been named Eminent Scholar with tenure in the UF/IFAS entomology and nematology department.

Currently, Bonning is a professor of entomology at Iowa State University and director of the National Science Foundation Center for Arthropod Management Technologies, where she oversees cutting-edge research on insect physiology and pathology, and biotechnology. Bonning is a recognized authority in the development of new technologies for insect pest management, and a fellow of the Entomological Society of America and the American Association for the Advancement of Science.

“Dr. Bonning brings an outstanding record of accomplishment and cooperation, and we are confident she will work tirelessly to develop solutions for citrus pest management,” said Blair Siegfried, chair of the UF/IFAS entomology and nematology department. “Her combined experience and achievements make her ideally suited and deserving of the position.”

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Seven UF/IFAS CALS students, alumni qualify for Rio Olympics

Topic(s): Announcements, CALS, Departments, IFAS
Eduardo Solaeche

Eduardo Solaeche

GAINESVILLE, Fla. — If you are watching the Olympic games, you may catch students and alumni of the University of Florida. Seven of the 30 UF Gators who qualified to compete in the Rio Olympics are current or former students of the UF/IFAS College of Agricultural and Life Sciences.

“We are so proud of our students and alumni, who are not only representing the university and CALS, but also represent their home country at the world’s most elite competition,” said CALS Dean Elaine Turner.

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