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Genetics and Genomics Commons

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Plant Sciences

Series

2014

Connecticut

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Full-Text Articles in Genetics and Genomics

Ploidy Number For Panicum Virgatum (Switchgrass) From The Long Island Sound Coastal Lowland Compared To Upland And Lowland Cultivars., Tanisha Williams, Carol Auer Nov 2014

Ploidy Number For Panicum Virgatum (Switchgrass) From The Long Island Sound Coastal Lowland Compared To Upland And Lowland Cultivars., Tanisha Williams, Carol Auer

Plant Science Articles

Panicum virgatum L. (switchgrass) is a native, perennial grass in North America with important ecological function in ecoregions including the Long Island Sound Coastal Lowland in the Northeastern United States. In recent decades, switchgrass has become a model lignocellulosic bioenergy crop with a large research portfolio describing its distribution, genetics, genomics, phenology, traits, gene flow, and cultivation. Switchgrass has been divided into two ecotypes, the Lowland ecotype which is tetraploid (2n= 4x= 36 chromosomes) and the Upland ecotype which is tetraploid or octaploid (2n= 8x= 72). While most switchgrass research has focused on genotypes from the Midwest or Southeastern regions, …