Switchgrass (Panicum virgatum L.) Cultivar Adaptation, Biomass Production, and Cellulose Concentration as Affected by Latitude of Origin
Table 7
Pearson correlation coefficients for mean values of traits of 10 switchgrass cultivars at Brandon, MB (above the diagonal) and at Swift Current, SK (below the diagonal), Canada.
Trait
Latitude
Stand
Yield
Cellulose
Hemicellulose
OMD
N
P
Ca
Latitude
—
0.83**
0.78**
0.89**
0.57
−0.92**
−0.88**
−0.88**
0.52
Stand
0.83**
—
0.89**
0.75**
0.56
−0.90**
−0.97**
−0.91**
0.43
Yield
0.60
0.93**
—
0.77**
0.82**
−0.86**
−0.92**
−0.91**
0.17
Cellulose
0.80**
0.73*
0.63*
—
0.55
−0.96**
−0.87**
−0.88**
0.51
Hemicellulose
0.30
0.13
0.07
0.56
—
−0.53
−0.60
−0.60
−0.22
OMD
−0.80**
−0.73*
−0.63*
−0.98**
−0.66*
—
0.96**
0.96**
−0.55
N
−0.82**
−0.84**
−0.75**
−0.93**
−0.53
0.94**
—
0.98**
−0.34
P
0.53
0.50
0.50
0.47
−0.24
−0.36
−0.34
—
−0.34
Ca
0.78**
0.85**
0.76**
0.64*
−0.15
−0.56
−0.70*
0.69*
—
*, **correlation coefficient is significant at and , respectively.
