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Time of initiation of the barley endosperm response to gibberellin A3, gibberellin A14and kaurene

✍ Scribed by Kenneth C. Jones

Publisher
Springer-Verlag
Year
1968
Tongue
English
Weight
218 KB
Volume
78
Category
Article
ISSN
0032-0935

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✦ Synopsis

Gibberellin A14 and kaurene, precursors of gibberellin A a, are active in the barley endosperm reducing-sugar assay, but require longer incubation periods for activity to be observed than does GA 3. This finding shows that the incubation period must be considered when determining whether a compound is active in this assay. The longer incubation periods required by GA14 and kaurene may reflect reduced rates of penetration, or reduced activity within the cell, or the time required for conversion to a physiologically active form.

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