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The influence of light on the cytokinin content ofAmaranthus seedlings

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Biologia Plantarum

Abstract

The influence of light, particularly blue and red light, on the cytokinin content of seedlings ofAmaranthus caudatus was studied. Cytokinin content was determined by two different bio-assays (amaranthin accumulation byAmaranthus seedlings and mtrate-reductase activity ofAgrostemma embryos). In both bio-assays similar results were obtained. Oytokinin content is increased, especially by blue light. It is suggested that especially blue light promotes amaranthin accumulation inAmaranthus seedlingsvia the increase of cytokinin content of tissues. The results support our hypothesis on cytokinin action.

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Authors and Affiliations

  1. Department of Plant Physiology, Ernst-Moritz-Arndt University of Greifswald, Section of Biology, Grimmer Str. 88, DDB-22, Greifswald

    K. H. Köhler

  2. Department of Plant Physiology, Humboldt University of Berlin, Section of Biology, Invalidenstr. 42, DDB-104, Berlin, USA

    Marianne Dörfler & H. Göring

Authors
  1. K. H. Köhler
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  2. Marianne Dörfler
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  3. H. Göring
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Köhler, K.H., Dörfler, M. & Göring, H. The influence of light on the cytokinin content ofAmaranthus seedlings. Biol Plant 22, 128–134 (1980). https://doi.org/10.1007/BF02878251

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  • DOI: https://doi.org/10.1007/BF02878251

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