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Transport, localization and physiological effect of 6-benzyladenme-8-14C in apple shoots

Transport, lokalisace a fysiologický úcinek 6-benzyladeninu-8-14C v jabloňových výhonecli

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Biologia Plantarum

Abstract

The transport of radioactivity of 6-benzyladenine-8-14C applied to one-year old apple shoots was studied. Simultaneously, labelled metabolites of this cytokinin were studied separately in the xylem and phloem above and below the place of application. According to the results obtained, it can be assumed that 6-B and its metabolites are transported in one-year old apple shoots acropetally through the xylem and basipetally through the phloem, while penetrating from the xylem to the phloem. Besides 6-B-8-14C, a complex of cytokinin with sugar, also adenosine and adenine were found in the phloem.

Abstract

V této práci byl studován. transport radioaktivity 6-benzyladenimi-8-14C aplikovaného na jednoloté jabloňové výhony. Současně byly sledovány radioaktivní metabolity tohoto cytokininu v xylému a floému nad a pod místem podání 6-B-8-14C. Z výsledků lze usoudit, že 6.B a jeho metabolity jsou v jednoletých jabloňových výhonech transportovány xylémem akropetálně a floémem basipetálně, přičemž dochází jejich pronikání z xylému do floému. Z metabolitů byly identifikovány ve floému vodle 6-B-8-14C komplex tohoto cytokininu a cukernou složkou, dále adenosin a adenin.

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Authors and Affiliations

  1. Department of Radiobiology, Institute of Experimental Botany, Czechoslovak Academy of Sciences, Ke Dvoru 15, Praha 6-Vokovice, Czechoslovakia

    A. Friedrich, L. Chvojka, R. Bulgakov & J. Kolín

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  1. A. Friedrich
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  2. L. Chvojka
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  3. R. Bulgakov
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  4. J. Kolín
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Friedrich, A., Chvojka, L., Bulgakov, R. et al. Transport, localization and physiological effect of 6-benzyladenme-8-14C in apple shoots. Biol Plant 12, 342–347 (1970). https://doi.org/10.1007/BF02922188

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  • DOI: https://doi.org/10.1007/BF02922188

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