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Planta

, Volume 146, Issue 1, pp 101–105 | Cite as

The identification of gibberellins in immature seeds of Vicia faba, and some chemotaxonomic considerations

  • Valerie M. Sponsel
  • Paul Gaskin
  • Jake MacMillan
Article

Abstract

GA17, GA19, GA20, GA29, GA44 and 13-hydroxy-GA12, now named GA53, were identified by GC-MS in immature seeds of Vicia faba (broad bean). Also identified were a GA catabolite, two polyhydroxykauranoic acids, and abscisic, phaseic and dihydrophaseic acids. The GAs of Vicia are hydroxylated at C-13, in common with those of other legumes. However the GAs of Vicia are not hydroxylated at C-3, nor do they appear to be readily conjugated. In these respects Vicia resembles Pisum, another member of the tribe Viciae. Vicia differs from Phaseolus and Vigna, of the tribe Phaseoleae, in both these respects.

Key words

Gas chromatography-mass spectrometry Gibberellin Hydroxylation Leguminosae Seeds (gibberellins) Vicia 

Abbreviations

ABA

abscisic acid

DPA

dihydrophaseic acid

GAn

gibberellin An

GC

gas chromatography

GC-MS

gas chromatography mass spectrometry

KA

kauranoic acid

PA

phaseic acid

TLC

thin layer chromatography

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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • Valerie M. Sponsel
    • 1
  • Paul Gaskin
    • 1
  • Jake MacMillan
    • 1
  1. 1.School of ChemistryUniversity of BristolBristolU.K.

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