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Some Physiological Changes Occurring during the Senescence of Auxin-Deprived Pear Cells in Culture 1

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PMC
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  • Biology
  • Political Science

Abstract

Part of the changes in the hormonal balance involved in plant senescence is due to an auxin limitation. Some of its physiological consequences are studied using pear (Pyrus communis L.) cells cultured in a continuously renewed medium in which 2,4-dichlorophenoxyacetic acid (2,4-D) was absent. In these conditions, an assessment was made of the absence of nutrient deficiency.

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