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Freeze-Thaw Stress: Effects of Temperature on Hydraulic Conductivity and Ultrasonic Activity in Ten Woody Angiosperms

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Academic year: 2021

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Figure 1. PLC after dehydration to a water potential at 12% PLC (control) and exposure to one freeze-thaw cycle down to different minimal temperatures (210˚C, 220˚C, 230˚C, or 240˚C)
Fig. 6). In drought-sensitive species (Table II), T 50 was less negative (e.g. 29.2°C in B
Figure 6. Relation between water potential generating 50% loss of conductivity (C 50 ) and T 50 .
Figure 7. Proposed mechanism of freeze-thaw-induced embolism. In moderately dehydrated samples, some vessels are air filled (white) before freezing (A)

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