Request pdf xylem structure and the ascent of sap 1 conducting units tracheids and vessels 2 the vessel network in the stem 3 the cohesion tension theory of sap ascent 4 xylem . The cohesion tension theory and new evidence are introduced in response to recent controversies over the mechanism of sap ascent in plants the physiology anatomy and biophysics of xylem dysfunction are discussed and new insights into hydraulic architecture are reviewed with special emphasis on physiological limits on maximum transpiration and . The present volume xylem structure and the ascent of sap by m h zimmermann very appropriately inaugurates the springer series in wood science an enterprise recently initiated in the belief that wood and related forest products at this time have attained a new importance as renewable resources available in vast quantities. Xylem structure and the ascent of sap authors tyree melvin t zimmermann martin h free preview. Rev ed of xylem structure and the ascent of sap by mh zimmermann 1983 related work zimmermann martin huldrych 1926 xylem structure and the ascent of sap isbn 3540433546 alk paper 9783540433545 alk paper