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The effect of abscisic acid on flowering inChenopodium rubrum L.

Účlnek kyseliny abscisové na kvetení rostlinChenopodium rubrum

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Biologia Plantarum

Abstract

Flowering in the short-day speciesChenopodium rubrum L. was stimulated by treatment with abscisic acid (ABA) in concentrations from 1×10−3 M to 1×10−7 M only in plants partly induced by two dark periods. We assume that ABA weakens the inhibitory effect of continuous light (similarly as do some other substancese.g nucleic acid inhibitors) and thus enables the expression of the evoked floral state. ABA was ineffective in promoting flowering in photoperiodically non-induced plants.

Abstract

Kyselina abscisová (ABA) v koncentracích od 1×10−3 m do 1×10−7 m stimuluje kvetení krátkodenního druhuChenopodium rubrum L. jen u rostlin indukovaných dvěma krátkými dny. Domníváme se, že ABA zeslabuje inhibiční účinek nepřetržitého osvětlení (podobně jako působí jiné látky, např. inhibitory nukleových kyselin) a umožňuje tak projevení evokovaného květního stavu. Při stimulaci kvetení u fotoperiodicky neindukovaných rostlin je ABA neúčinná.

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Abbreviations

ABA:

abscisic acid

References

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Authors and Affiliations

  1. Department of Plant Physiology, Institute of Experimental Botany, Czechoslovak Academy of Sciences, Praha

    J. Krekule & J. Ullmann

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  1. J. Krekule
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  2. J. Ullmann
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Address: Ke dvoru 15, Praha 6-Vokovice, Czechoslovakia.

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Krekule, J., Ullmann, J. The effect of abscisic acid on flowering inChenopodium rubrum L.. Biol Plant 13, 60–63 (1971). https://doi.org/10.1007/BF02930748

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  • DOI: https://doi.org/10.1007/BF02930748

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