Effects of gibberellic acid on the rhizome and rhizoids of the algal coenocyte, Caulerpa prolifera, in culture

Treatment of the large coenocyte Caulerpa prolifera with a hormonal level of GA2 resulted in increased elongation of the rhizome and more frequent initiation of rhizoids when the hormone was added to the Erdschreiber culture medium. No effect of GA2 was found on the rate of initiation or elongation...

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Bibliographic Details
Published in:Annals of botany 1983-01, Vol.52 (1), p.39-41
Main Authors: Jacobs, W.P, Davis, W
Format: Article
Language:English
Subjects:
Algae
aquatic organisms
Caulerpa prolifera
coenocyte
gibberellic acid
green alga
Hormones
Marine
plant biochemistry
plant physiology
Plants
Rhizomes
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Summary:Treatment of the large coenocyte Caulerpa prolifera with a hormonal level of GA2 resulted in increased elongation of the rhizome and more frequent initiation of rhizoids when the hormone was added to the Erdschreiber culture medium. No effect of GA2 was found on the rate of initiation or elongation of blades. These results suggest that the recently discovered gravimorphogenetic effect on rhizoid development is mediated by endogenous gibberellin.
ISSN:0305-7364
1095-8290
DOI:10.1093/oxfordjournals.aob.a086549