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Counter-flow of3H-IAA and14C-ABA in long pea epicotyl segments

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Biologia Plantarum

Abstract

The counter-flow of3H-IAA and14C-ABA was studied in both aeropetal and basipetal arrangement in 11-cm long segments of pea epicotyls. A significant acropetal flow of14C-ABA was promoted by exogenous application of3H-IAA in the apical part of the segment together with a simultaneous promotion of its elongation growth. In the case of limited basipetal flow of14C-ABA neither the accumulation of this growth regulator on site of3H-IAA application nor a growth promotion were observed.

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Authors and Affiliations

  1. Department of Nuclear Methods and Department of Botany and Plant Breeding, University of Agriculture, Zemědělská 1, 613 00, Brno 1, Czechoslovakia

    V. Borkovec & S. Procházka

Authors
  1. V. Borkovec
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  2. S. Procházka
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Additional information

Part I. Influence of Auxin-like Substances upon the Transport of14CABA in Long Pea Epicotyl Segments.

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Borkovec, V., Procházka, S. Counter-flow of3H-IAA and14C-ABA in long pea epicotyl segments. Biol Plant 25, 293–298 (1983). https://doi.org/10.1007/BF02902877

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  • DOI: https://doi.org/10.1007/BF02902877

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