Abstract
It has recently been discovered1 that a mixture of gibberellin A and gibberellic acid greatly accelerates the initiation of flowers in unvernalized Hyoscyamus niger L., a vernalizable long-day biennial plant. Even more recently, it has been found2 that this mixture of compounds will cause flower formation under short-day conditions in Bryophyllum crenatum Baker, a plant which requires long-day for internode elongation, short day for floral initiation, and long-day again for the development of functional flowers3.
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References
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Dostal, R., Sbor. Ceskoslov. Akad. Zem., 22, 241 (1950).
Gregory, F. G., and Hussey, G. G., Proc. Linn. Soc., 164, 137 (1953).
Langridge, J., Aust. J. Biol. Sci. (in the press).
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LANGRIDGE, J. Effect of Day-length and Gibberellic Acid on the Flowering of Arabidopsis . Nature 180, 36–37 (1957). https://doi.org/10.1038/180036a0
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DOI: https://doi.org/10.1038/180036a0
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