Graphical output of principal component analysis (PCA). In the bi-plot, the values of traits vectors based on two major principal components (PC1—x axis; PC2—y axis) are presented as red arrows, i.e. transpiration rate (Tr), absolute transpiration (T), leaf dry weight (LDW), root dry weight (RDW), shoot dry weight (ShDW), stem dry weight (StDW), biomass dry weight (BDW), leaf area (LA) and specific leaf weight (SLW). Traits with suffix M were measured during 7:30–10:30 a.m. and traits with suffix A were measured during 10:30 a.m.–2:30 p.m. The numbers represent RIL numbers and their positions show the particular RIL trait loadings with regards to PC1 and PC2. (Color figure online)
A simple correlation analysis (Supplementary Table 5) and a
principal component analysis (PCA; Fig. 2 and Supplementary
Table 6) were performed to decipher the relationships between
Simultaneously, all biomass traits and transpiration were
positively related (Fig. 2, Supplementary Table 5). .
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