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Cell wall degradation in senescing tobacco leaf discs

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Zusammenfassung

In ausgestanzten Blattstücken vonNicotiana tabacum, welche auf Wasser schwimmend inkubiert werden, findet im Verlauf von 7 Tagen ein beträchtlicher Abbau der Hemizellulose statt. Benzyladenin (10−5 M) verzögert den Abbau, Abscisinsäure (5×10−5 M) verstärkt ihn. Der Gehalt an Zellulose verändert sich im Verlauf der Alterung kaum.

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Literatur

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Authors and Affiliations

  1. Department of General Botany, Swiss Federal Institute of Technology, Universitätsstrasse 2, CH-8006, Zürich, Switzerland

    Ph. Matile

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  1. Ph. Matile
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Additional information

The author is indebted to Dr.A. Artho and to theF. J. Burrus & Cie, Manufacture de Cigarettes, Boncourt, Switzerland, for generously supporting the present work. The skillful technical assistance of MissM. Schellenberg and the supply of abscisic acid by Hoffmann-La Roche, Basel, are gratefully acknowledged.

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Matile, P. Cell wall degradation in senescing tobacco leaf discs. Experientia 30, 98–99 (1974). https://doi.org/10.1007/BF01921624

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  • DOI: https://doi.org/10.1007/BF01921624

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