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. 2014 Nov 10;9(11):e112418. doi: 10.1371/journal.pone.0112418

Figure 7. Mapping control, mild stress and severe stress.

Figure 7

Two-dimensional mapping of the Principal Component Analysis (PCA) performed for all plant traits measured at the end of the experiment (plant growth, emission or concentration of secondary metabolites, gas exchange and water status). This analysis was performed on n = 5 trees per treatment. Traits shown at the end of some arrows correspond to the most explanatory traits.