Impacts of Improved Switchgrass and Big Bluestem Selections on Yield, Morphological Characteristics, and Biomass Quality

Table 1

Origins of the commercial switchgrass and big bluestem varieties evaluated in the present study and the selections derived from them through a local selection programme in Southern Quebec.

Variety/selection	Year of release	Site of origin	Latitude of origin (°N)	References
Switchgrass
Cave-in-Rock	1958	Cave-in-Rock, Illinois	37	Jefferson and McCaughey, 2012 [6]
Cave-in-Rock II	N/A	Valleyfield, Quebec		Present study
Cave-in-Rock Early	N/A	Valleyfield, Quebec		Present study
Summer	1953	Nebraska City, Nebraska	41	Jefferson and McCaughey, 2012 [6]
Tecumseh	N/A	Valleyfield, Quebec		Present study
Tecumseh II	N/A	Valleyfield, Quebec		Present study
Sunburst	1998	Union County, South Dakota	43	Jefferson and McCaughey, 2012 [6]
Blue Jacket	N/A	Valleyfield, Quebec		Present study
Blue Jacket II	N/A	Valleyfield, Quebec		Present study
Blue Jacket Early	N/A	Valleyfield, Quebec		Present study
Sandlover	2009	Northern Nebraska	36–40	Vermerris, 2008 [15]
Big bluestem
Prairie view	1994	20 sites across Indiana	38–41	Samson et al., 2014 [32]
Prairie view II	N/A	Valleyfield, Quebec		Present study
Prairie view Early	N/A	Valleyfield, Quebec		Present study