Promotive effect of abscisic acid in flowering ofChenopodium rubrum as the result of decreasing apical dominance |
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| Authors: | Veronika Lozhnikova J. Krekule Frideta Seidlová Tamara Bavrina M. Kh. Chailakhyan |
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| Affiliation: | 1. K. A. Timiryazev Institute of Plant Physiology, Academy of Sciences of USSR, Botanicheskaya ul. 35, 127 273, Moscow, USSR
2. Institute of Experimental Botany, Czechoslovak Academy of Sciences, Ke dvoru 15, 166 30, Praha 6, Czechoslovakia
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| Abstract: | Abscisic acid (ABA) was applied in a concentration of 1. 10?3 M and 1. 10?4 M to the quantitative SD plantChenopodium rubrum under various light regimes. ABA did not influence flowering in plants under continuous illumination, enhanced flowering in plants subjected to long days and inhibited it in plants induced by short days. It was concluded that ABA can not substitute for inductive treatment but its action may be additive to initial stages of reproductive morphogenesis (enhanced growth rate and branching of the apical meristem) as evoked by long days. |
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