Counter-flow of3H-IAA and14C-ABA in long pea epicotyl segments |
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| Authors: | V. Borkovec S. Procházka |
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| Affiliation: | (1) Department of Nuclear Methods and Department of Botany and Plant Breeding, University of Agriculture, Zemědělská 1, 613 00 Brno 1, Czechoslovakia |
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| 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. Part I. Influence of Auxin-like Substances upon the Transport of14CABA in Long Pea Epicotyl Segments. |
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