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Plant Physiology 55:237-239 (1975) © 1975 American Society of Plant Biologists Chromatography of Cytokinins on a Neutral Polystyrene ResinA Simple Procedure for the Separation of the cis and trans Isomers of Zeatin or Ribosylzeatin 1a Institute of Plant Development, Birge Hall, University of Wisconsin, Madison, Wisconsin 53706
A simple procedure for the separation of the cis and trans isomers of zeatin and ribosylzeatin by column chromatography on a neutral polystyrene resin, Porapak Q, in aqueous ethanol solutions is reported. The method has been used to examine the stereoisomer composition of ribosylzeatin isolated from wheat germ transfer RNA. Chromatographic data for several other cytokinins are also presented.
1 This work was supported by National Science Foundation Research Grant GB35260X1.
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