Abstract
Translocation can be defined as the transport of dry weight. Leaves of higher plants are organised to produce an increase in dry weight by assimilation and are necessarily ill-adapted to carry out the other functions of the body: mechanical support, storage of reserves, invasion of air and soil space, and reproduction. So the functioning of the differentiated body requires the existence of a transport system to carry material between places of manufacture and places of storage and growth. This gross transfer of material in amounts sufficient to account for the swelling gourd, the exploring root network or the thrusting bamboo shoot, is the easily-grasped fact that translocation physiologists attempt to explain. Though the fact is simple, their diverse explanations have not met with wide acceptance. It is the purpose of this chapter to consider how this transport may be measured, what results have been obtained in different plant parts, the magnitude of the traffic that needs explanation, and what relation the transport may have to other properties of the plant. A more complete account may be sought in Canny (1973 a).
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Canny, M.J. (1975). Mass Transfer. In: Zimmermann, M.H., Milburn, J.A. (eds) Transport in Plants I. Encyclopedia of Plant Physiology, vol 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-66161-7_5
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DOI: https://doi.org/10.1007/978-3-642-66161-7_5
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