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UF Scientists Hope to Breed Better-Tasting Sweet Corn

GAINESVILLE, Fla. — University of Florida scientists plan to use a $7.3 million, four-year grant to find the genetic traits that will make sweet corn taste even better, last longer and grow better across the nation.

Mark Settles, a professor of horticultural sciences at the UF Institute of Food and Agricultural Sciences, will lead the project. Also on the UF/IFAS team are Marcio Resende, a UF/IFAS assistant professor of horticultural sciences – who’s also the new sweet corn breeder at UF/IFAS — and Charles Sims, a UF/IFAS professor of food science and human nutrition.

“What we want to do is find those genes that make sweet corn a tasty vegetable and be able to then use those genes in traditional breeding,” Settles said. For example, researchers hope to boost the sugar levels of sweet corn. “It’s a really popular vegetable. But there have been few game-changing innovations that would boost the taste and yield of sweet corn.”

Fewer than 14 percent of American adults consume the USDA recommended amount of vegetables for a healthy diet, and overall, fruit and vegetable consumption is declining in the U.S., Settles said.

“As the fifth most popular vegetable in America, sweet corn is no exception to this trend,” he said. “However, demand for fresh market and frozen corn is increasing, relative to canned corn, and breeders need to be able to provide the best sweet corn seed possible as part of federal campaigns to encourage Americans to eat enough vegetables.”

“Both fresh and processed sweet corn must meet consumer desires for taste, appearance and convenience,” Settles said. “Many quality traits are best addressed through the genetics of sweet corn varieties.”

Through test panels run by Sims, researchers will find out tastes, aroma and texture that consumers like. As study participants sample the corn, they’ll also tell how much they’d be willing to pay for it, which makes up the economics portion of the research, Settles said.

Much of Florida’s corn is grown in the Everglades Agricultural Area, which is largely in Palm Beach County. That’s why, for years, the UF/IFAS sweet corn breeding program emanated largely from the Everglades Research and Education Center in Belle Glade, Florida.

UF/IFAS researchers will get help from scientists at Iowa State University, the University of Wisconsin, Washington State University and the USDA to conduct the study. The grant comes from the Specialty Crop Research Initiative, which is part of the National Institute of Food and Agriculture, an arm of the USDA.

In addition to consumers, scientists hope to help growers add value to a crop that already brings in $160 million a year for Florida farmers, making it the fifth-highest yielding crop in the state.

To get started on finding the best genetic traits, scientists will screen existing sweet corn seeds, to find genes that, among other things, help corn grow right after planting, Settles said. This will be particularly helpful for organic farmers, he said.

They also hope to try to beat back the silk fly, a pest that damages a lot of corn in Florida.

Lastly, scientists seek genetic traits that make corn last longer on grocery store shelves and requires less pesticide use, Settles said.

“We also want to make corn taste good for longer,” he said.

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By: Brad Buck, 352-294-3303, bradbuck@ufl.edu

The mission of the University of Florida Institute of Food and Agricultural Sciences is to develop knowledge relevant to agricultural, human and natural resources and to make that knowledge available to sustain and enhance the quality of human life. With more than a dozen research facilities, 67 county Extension offices, and award-winning students and faculty in the UF College of Agricultural and Life Sciences, UF/IFAS works to bring science-based solutions to the state’s agricultural and natural resources industries, and all Florida residents. Visit the UF/IFAS web site at ifas.ufl.edu and follow us on social media at @UF_IFAS.

 

 

 

 

 

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