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Water transport in plants as a catenary process

Water transport in plants as a catenary process WATER TRANSPORT AS A CATENARY PROCESS BY T. H. VAN DEN HONERT Received 17th February, 1948 In treatises on rates of transpiration and water transport in plants, con- siderations are mostly confined to a part of the system involved. Some deal with the intake of water by roots, some with the transport through T. H. VAN DEN HONERT =47 the xylem, others with the transpiration from leaves and then consider the factors influencing the water transport through the respective parts. In several publications, attention is given to the resistance met by the water transport in the different parts and, sometimes, a comparison is drawn between resistances in root cells and vessels, or between that in veins and leaf parenchyma. But comparatively seldom one finds water transport treated as a whole and attention paid to the interaction of all parts of the entire system. When I consider the transpiration stream in Phanerogamic terrestrial plants as a catenary process, I shall explicitly confine myself to the passive part of it. Active (secretion) processes will be left out of account; in addition, the correctness of the cohesion theory will be taken for granted and considerations confined to steady-state conditions. Leaf and air http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Discussions of the Faraday Society Royal Society of Chemistry

Water transport in plants as a catenary process

van den Honert, T. H.
Royal Society of Chemistry — Jan 1, 1948
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Abstract

WATER TRANSPORT AS A CATENARY PROCESS BY T. H. VAN DEN HONERT Received 17th February, 1948 In treatises on rates of transpiration and water transport in plants, con- siderations are mostly confined to a part of the system involved. Some deal with the intake of water by roots, some with the transport through T. H. VAN DEN HONERT =47 the xylem, others with the transpiration from leaves and then consider the factors influencing the water transport through the respective parts. In several publications, attention is given to the resistance met by the water transport in the different parts and, sometimes, a comparison is drawn between resistances in root cells and vessels, or between that in veins and leaf parenchyma. But comparatively seldom one finds water transport treated as a whole and attention paid to the interaction of all parts of the entire system. When I consider the transpiration stream in Phanerogamic terrestrial plants as a catenary process, I shall explicitly confine myself to the passive part of it. Active (secretion) processes will be left out of account; in addition, the correctness of the cohesion theory will be taken for granted and considerations confined to steady-state conditions. Leaf and air

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Discussions of the Faraday Society – Royal Society of Chemistry

Published: Jan 1, 1948

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