Endogenous growth regulators in embryonic shoots of Scots pine at the time of male and female flower primordia initiation

J. Kopcewicz, Z. Zatorska, H. Kulikowska, T. Szcześniak

Abstract


The initiation of Scots pine male flower primordia is connected with a high content of gibberellins and a low level of auxins, whereas the initiation of female flower primordia is correlated with a high content of auxins and a low level of gibberellins. There is lack of direct correlation between the content of cytokinins or abscisic acid and flower sex differentation.

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DOI: https://doi.org/10.5586/asbp.1977.009

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