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. 2019 Dec 24;21(1):144. doi: 10.3390/ijms21010144

Figure 2.

Figure 2

Relationships between stem hydraulics and non-structural carbohydrate (NSC) during drought/frost stress. Correlation between PLC at the end of stress (PLCend) and total NSC concentration (a, ΔTotNSCend) and starch (c, ΔStarchend) difference between drought/winter-stressed and non-stressed trees. Correlation between drought/frost-induced PLC increase (ΔPLCend) and the fraction of total NSC at the end of drought/winter stress with respect to control plants (b, TotNSCend/TotNSCc), and the soluble sugar difference between drought/winter-stressed and non-stressed trees (d, ΔSolubleend). Spearman’s correlation coefficient (ρ), related p-value and regression lines are reported.