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Table 6 Loadings of Principal Components (PC) 1 and 2 of the correlation matrix of root and shoot phenotypes observed in 2007 and 2010

From: Characterization of mature maize (Zea mays L.) root system architecture and complexity in a diverse set of Ex-PVP inbreds and hybrids

  PC1 PC2
Eigen value 2.31 0.19
Variance explained (%) 67.0 19.0
Stay green 0.38 −0.06
Root angle 0.33 0.38
Grain yield −0.22 0.62
Stem diameter −0.25 −0.63
Fractal abundance −0.37 0.05
Plant height −0.40 0.21
Fractal dimension −0.41 −0.09
Ear height −0.41 0.15