Chin J Plan Ecolo ›› 2007, Vol. 31 ›› Issue (5): 804-813.DOI: 10.17521/cjpe.2007.0102
• Research Articles •
WAN Xian-Chong1; Meng Ping2
Long-distance water transport in plants is an important issue in plant physiology and eco-physiology. The recent development of the Xylem Pressure Pro be for direct measurement of pressure in individual xylem elements of intact, transpiring plants elicited challenges to the long-standing, widely accepted Cohesion-Tension (C-T) Theory. These challenges instigated debate in the field of plant physiology over mechanisms of long-distance water transport. The challengers and proponents of the C-T theory mutually criticized the Pressure Bomb and the Xylem Pressure Probe technology, and they debated over all three elements of C-T theory (high tension in xylem units; pressure gradients over tree height; the continuous water column in xylem vessels) by reviewing literature and providing physical bases. The debate has cooled down. As a result, the C-T theory has not been discredited while the raised questions in the debate remain mainly unanswered and call for future researches.
WAN Xian-Chong, Meng Ping. PHYSIOLOGICAL AND ECOLOGICAL MECHANISMS OF LONG-DISTANCE WATER TRANSPORT IN PLANTS: A REVIEW OF RECENT ISSUES[J]. Chin J Plan Ecolo, 2007, 31(5): 804-813.
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