The Effect of Low Temperature on Ascent of Sap in Trees
- 1 July 1964
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 39 (4) , 568-572
- https://doi.org/10.1104/pp.39.4.568
Abstract
Handley''s experiments according to which the leaves of a tree wilt when the stem is chilled to between 0 and +2[degree]C have been repeated with precise and sensitive control and measurement of wood temperatures. No wilting was observed even if the tree stems were maintained between 0 and -1[degree]C for many days. A stem temperature of between -1 and -2[degree]C however did interfere with the sap ascent and it was demonstrated that ice formation takes place at this temperature. The temperature profile along the stem was a sensitive indicator of the relative rate of water movement.This publication has 2 references indexed in Scilit:
- Winter Freezing in Relation to the Rise of Sap in Tall Trees.Plant Physiology, 1959
- The Effect of Prolonged Chilling on Water Movement and Radial Growth in TreesAnnals of Botany, 1939