Abstract
Moreover, bubbles can form in the xylem as a consequence of the freezing of the crude sap. After this bubble forms in the column of water under tension, it will tend to expand due to the fact that gases cannot withstand tensile forces (COCHARD, 2006). Meinzer et al. (2000) studying the uptake, transport and loss of water in vegetables, have stated that instead of the embolism being essentially irreversible, it seems that there is a dynamic balance between the formation of air bubbles and the repair throughout the day. The daily release of water from the xylem through cavitation could serve to stabilize the water balance of the leaf, minimizing the temporal imbalance between supply and demand of water, which would challenge and put in check the secular tension-cohesion theory.
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Claims 0
Judged core plant research, but no claim was extracted from this abstract.