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. 1974 Sep;54(3):257-62.
doi: 10.1104/pp.54.3.257.

Concentrations of Indole-3-acetic Acid and Its Esters in Avena and Zea

R S Bandurski  1 , A Schulze
Affiliations

Concentrations of Indole-3-acetic Acid and Its Esters in Avena and Zea

R S Bandurski et al. Plant Physiol. 1974 Sep.

Abstract

An isotope-dilution method has been developed for the assay of free indole-3-acetic acid and ester indole-3-acetic acid as measured by indole-3-acetic acid liberated by mild alkaline hydrolysis. Application of this method to seedlings of Avena sativa and Zea mays indicates the upper limit of free indole-3-acetic acid in Avena to be about 16 mug per kg and in Zea, about 24 mug. The amount of 1 n alkali-labile indole-3-acetic acid in Zea is about 330 mug per kg and there is very little 1 n alkali-labile IAA in Avena. A chemical characterization of the indole-3-acetic acid of Avena and a confirmation of the chemical characterization of the indole-3-acetic acid of Zea is presented.

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References

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    1. Plant Physiol. 1969 Aug;44(8):1175-81 - PubMed
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