USDA Develops Switchgrass with Bigger Yield, More Biofuel

libertyResearchers working for the U.S. Department of Agriculture (USDA) have developed a variety of switchgrass that produces bigger yields and more biofuel. Rob Mitchell with the USDA’s Agricultural Research Service in Nebraska gives credit to retired geneticist Ken Vogel who developed the Liberty variety of switchgrass.

“He was able to identify an upland type and a lowland type that had similar genetics so they were able to be crossed. He made greenhouse crosses and then took those crosses to the field and right away saw a real big increase in biomass production,” Vogel says.

Field testers in Nebraska and Wisconsin noticed that not only were they getting more biomass, but they were also getting more biofuel out of the biomass produced, in addition to good stand establishment and winter survivability… key points for the Upper Midwest where Mitchell expects the Liberty variety to be grown for biofuels.

“I anticipate that Liberty is going to be at its best in that Central Plains and Midwestern region. It probably won’t go much further south, because they really don’t deal with winter hardiness issues in the southern U.S. like we do in the Central Great Plains and the Midwest,” he said.

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