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

Table 2

Yield on dry matter basis of 11 selections of switchgrass and 3 selections of big bluestem seeded in 2010 and harvested in fall of 2011 and 2012 at two sites in Southern Quebec (in Mg ha⁻¹).

Entry	Sainte-Anne-de-Bellevue		Cookshire-Eaton
	2011	2012	2011	2012
Switchgrass
Sunburst	7.7	9.1	3.6	5.6
Blue Jacket	9.0	9.1	4.2	4.8
Blue Jacket II	9.7	9.1	5.0	5.3
Blue Jacket Early	8.1	9.1	3.6	4.7
Summer	9.2	11.2	4.9	6.8
Tecumseh	8.2	10.4	2.1	4.2
Tecumseh II	9.3	10.3	4.6	6.7
Cave-in-Rock	10.0	10.3	3.5	7.3
Cave-in-Rock II	10.2	11.1	5.9	9.0
Cave-in-Rock Early	8.8	9.9	2.5	6.4
Sandlover	9.3	9.7	1.6	5.3
Switchgrass mean	9.0	9.9	3.8	6.0
Big Bluestem
Prairie view	6.0	7.5	2.1	5.1
Prairie view II	5.6	8.8	1.9	5.6
Prairie view Early	6.6	8.4	1.6	6.1
Big bluestem mean	6.1	8.2	1.9	5.6
Overall mean	8.4	9.6	3.4	5.9
value	<0.0001	0.0046	<0.0001	0.0004
LSD (5%)	1.1	1.7	1.4	1.6