TY - JOUR
AU - SKENE, K. G., M.
AB - Abstract Properties of gibberellin-like substances extracted from French bean seeds during their development were studied. Two zones of gibberellin-like activity were detected on paper chromatograms. Changes in activity of one of the zones correlated with changes in growth-rate of the seed. From considerations of Rf on paper chromatograms, and differential activity on dwarf peas, dwarf-1 and dwarf-5 corn, it was deduced that activity of this zone was due to substances resembling gibberellin A1 and gibberellin A5. Gibberellin A5-like activity was highest in young seeds and disappeared after cell division in the cotyledons had ceased. Gibberellin A1-like activity rose to its highest level during the period of rapid cell expansion in the cotyledons, after the disappearance of gibberellin A5-like activity. The second zone of gibberellin-like activity was due mainly to a non-acidic substance, which disappeared at the time GAj-like activity was rising to its highest level. A non-acidic substance that stimulated lateral bud growth of dwarf peas also was detected in the extracts. It is presumed to be a cytokinin. This content is only available as a PDF. © Oxford University Press
TI - The Gibberellins of Developing Bean Seeds
JF - Journal of Experimental Botany
DO - 10.1093/jxb/21.1.236
DA - 1970-02-01
UR - https://www.deepdyve.com/lp/oxford-university-press/the-gibberellins-of-developing-bean-seeds-ut27Uvu2wJ
SP - 236
EP - 246
VL - 21
IS - 1
DP - DeepDyve
ER -