Barely Significant

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In this context, the As load removed within a short period may be significant especially in adjacent areas of mining activities, although as previously referred [ 18 ], the leaves of Eucalyptus camaldulensis and Eucalyptus globulus growing in heavily contaminated soils around a deactivated mine exhibited foliar As concentrations up to 0.6 μg g −1 , a level sixfold lower our minimum value, thus indicating that “ all the extrapolations from plant behavior in vitro must be avoided or done with great care ” [ 65 ].
It was determined that six out of eleven traits (dry leaf weight (DLW), canopy temperature (CT), relative water content (RWC), flag leaf area (FLA), green leaves area (GLA) and leaf area index (LAI)) loaded the highest onto PC1 and PC2 (with scores of >0.27), and five of them had a positive trend with GY, while the CT trait had a negative correlation determined by principal component analysis (PCA).