Abstract
The role of plasmodesmata in transport to and from the phloem is not easily discussed, for relevant evidence is both meagre and circumstantial. They do occur, or course, in source and sink tissues, and it is indisputable that a rather specialised type of plasmodesma is found on the side walls of sieve elements and sieve cells. However, preoccupation with the problems of long-distance transport along files of sieve cells and sieve tubes has overshadowed work on the short distance processes of loading and unloading the phloem — this despite the emphasis placed upon symplastic continuity between sieve elements and their donor and receptor tissues by Munch (1930): very little indeed is known about the distribution, frequency, and function of plasmodesmata along these short-distance pathways.
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© 1976 Springer-Verlag Berlin · Heidelberg
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Gunning, B.E.S. (1976). The Role of Plasmodesmata in Short Distance Transport to and from the Phloem. In: Gunning, B.E.S., Robards, A.W. (eds) Intercellular Communication in Plants: Studies on Plasmodesmata. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-66294-2_11
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DOI: https://doi.org/10.1007/978-3-642-66294-2_11
Publisher Name: Springer, Berlin, Heidelberg
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