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Type: Book chapter
Title: Phloem transport of resources
Author: Grof, C.
Byrt, C.
Patrick, J.
Citation: Sugarcane: Physiology, biochemistry, and functional biology, 2014 / Moore, P., Botha, F. (ed./s), Ch.12, pp.267-305
Publisher: Wiley
Publisher Place: United States
Issue Date: 2014
ISBN: 9780813821214
Statement of
Christopher P.L. Grof, Caitlin S. Byrt, and John W. Patrick
Abstract: This chapter reviews the principles and concepts of resource transport in the phloem in general and then moves to describe the physiology of phloem translocation in sugarcane. The movement of resources through the phloem is interpreted through the Münch pressure flow hypothesis. The phloem transport rate is determined by magnitudes of pressure differences between the source and sink ends of the pathway and the phloem sap concentration of each transported nutrient. A description of the leaf structural framework in sugarcane is provided and the phloem pathways in sugarcane are dissected from loading of collection phloem in source leaves, transit through transport phloem, to release phloem where resources are unloaded into growth and storage sinks. Phloem conductivities in sugarcane, mechanisms of loading and unloading of solutes, and the environmental effects on phloem translocation are considered.
Description: Published Online: 13 DEC 2013
Rights: © 2014 John Wiley & Sons, Inc.
RMID: 0030023997
DOI: 10.1002/9781118771280.ch12
Appears in Collections:Agriculture, Food and Wine publications

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