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Proteoid root morphology and function inLupinus albus

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Summary

Current theories of phosphorus uptake by plants imply that they can augment diffusion to their root axes by the development of abundant root hairs or mycorrhizas. Some phosphorus efficient plants have root morphology with multi-branched roots and localised regions of densely packed root hairs, which we suggest is better suited to the retention of substances exuded by the roots than uptake of substances moving to the root by diffusion. Evidence of substantial exudation by the proteoid roots ofLupinus albus is presented.

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Authors and Affiliations

  1. Department of Plant Sciences, Faculty of Agriculture and Forestry, University of Melbourne, 3052, Parkville, Victoria, Australia

    W. K. Gardner & D. G. Parbery

  2. Wheat Research Institute, Horsham, Victoria, Australia

    D. A. Barber

Authors
  1. W. K. Gardner
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  2. D. G. Parbery
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  3. D. A. Barber
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Gardner, W.K., Parbery, D.G. & Barber, D.A. Proteoid root morphology and function inLupinus albus . Plant Soil 60, 143–147 (1981). https://doi.org/10.1007/BF02377120

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  • DOI: https://doi.org/10.1007/BF02377120

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