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Distribution of Auxin in Horizontal Woody Stems in Relation to Gravimorphism

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Abstract

THE response of an inclined branch of an angiosperm tree to gravitational stimulation is manifested in several ways. Usually the young apical region exhibits a negative geotropic curvature, resulting from increased growth on the lower side, while the older woody parts show outgrowth of lateral shoots and greater cambial activity on the upper side1,2.

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Author notes

  1. R. W. A. LEACH

    Present address: Plant Physiology Division, “Shell” Research, Ltd., Woodstock Agricultural Research Centre, Sittingbourne, Kent

Authors and Affiliations

  1. Department of Botany, University College of Wales, Aberystwyth

    R. W. A. LEACH & P. F. WAREING

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  1. R. W. A. LEACH
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  2. P. F. WAREING
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LEACH, R., WAREING, P. Distribution of Auxin in Horizontal Woody Stems in Relation to Gravimorphism. Nature 214, 1025–1027 (1967). https://doi.org/10.1038/2141025a0

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