Terminal vessel and early vessel arrangement in internodes of Fraxinus excelsior

Ewa Kurczyńska

Abstract


Application of auxin to the apical end and to the transverse incision in a dissected internode, led to the formation of early vessels in such a way that the vessels below the incision were aligned with the vessels above it. There was a structural relation between the early vessels and terminal vessels based on the fact that the former overlay the latter. A hypothesis is forwarded stating that a template according to which the early vessels find their positions, exists on the surface of terminal wood.

Keywords


terminal vessel; early vessel; template

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DOI: https://doi.org/10.5586/asbp.1986.001

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Publisher
Polish Botanical Society