Absence of biological activity in oxidation products of indoleacetic acid
- 1 November 1976
- journal article
- research article
- Published by Institute of Experimental Botany in Biologia plantarum
- Vol. 18 (6) , 460-463
- https://doi.org/10.1007/bf02922555
Abstract
The main enzymatic oxidation products of IAA have been tested for biological activity, using as bioassay the straight-growth test ofAvena coleoptile. After being purified by rechromatography, none of these products (including methyleneoxindole) exhibited biological activity within the wide range of concentrations employed; consequently, the results accord with the evidence that IAA is the true hormone of plant growth.Keywords
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