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Precisions nouvelles sur la caulogenèse apicale des racines axillaires du cresson (Nasturtium officinale R. Br.)

New facts on the apical caulogenesis in axillary roots of cress (Nasturtium officinale R. Br.)

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Summary

The introduction of kinetin in the axillary tissues of isolated nodes of Cress cuttings induces a momentary stop in the growth of all the organs of the axillary “radicular plate”. After this interruption, a more or less rapid growth of the long roots sets in again, while in the younger roots morphological modifications occur which lead to the formation of a bud at the tip of the root, whatever the age of the axil which bears these roots.

This results is possible only up to a certain stage of root development (corresponding to a maximum length of 0.4 mm). Beyond this length the inversion of the direction of organogenesis does not occur.

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Bibliographie

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Authors and Affiliations

  1. Laboratoire de Phytomorphogenèse, Faculté des Sciences, Clermont-Ferrand

    Paulette Ballade

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  1. Paulette Ballade
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Ballade, P. Precisions nouvelles sur la caulogenèse apicale des racines axillaires du cresson (Nasturtium officinale R. Br.). Planta 92, 138–145 (1970). https://doi.org/10.1007/BF00385206

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  • DOI: https://doi.org/10.1007/BF00385206

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