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New Sorghum Cultivars Can Produce More Ethanol
USAgNet - 01/02/2018

Sweet sorghum is not just for breakfast anymore. Although sorghum is a source for table syrup, scientists see a future in which we convert sorghum to biofuel, rather than relying on fossil fuel. That potential just grew as University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers found three sorghum varieties could produce up to 1,000 gallons of ethanol per acre.

"Sweet sorghum has the potential to be an effective feedstock for ethanol production," said Wilfred Vermerris, a UF/IFAS professor of microbiology and cell science and a co-author on the study.

Ethanol produced from sweet sorghum can be used for auto and jet fuel, UF/IFAS researchers said.

UF/IFAS researchers picture big fuel potential from sorghum partly because it's so abundant. Sorghum is the fifth largest cereal crop in the world and the third largest in the United States, according to the U.S. Department of Agriculture. In 2014, the U.S. was the largest producer of sorghum in the world.

UF/IFAS scientists like sorghum because it can be cultivated twice a year in Florida, requires little fertilizer, uses water efficiently and can be drought resistant, UF/IFAS research shows.

For a newly published study, UF/IFAS scientists wanted to see if they could use the three sweet sorghum cultivars as raw material for bioethanol production.

They found potential for the crop to produce up to 1,000 gallons ethanol per acre from the combined juice and bagasse-derived sugars.

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