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Table III

Contribution weight of each variable to the Principal components (PC) based on correlations. The star denotes the highest contributions to each PC. The percentage of the total variance explained by PC1 and PC2 is also provided.

Variables Principal component

PC1 (38.37%) PCA2 (19.17%)
RhGR 0.17* 0.73*
RdGR –0.03 0.69*
SMF 0.33 0.59
RMF –0.96* –0.21
NMF 0.91* –0.08
No lateral stems 0.41 0.01
No dwarf shoots 0.08 –0.46