Abstract
FOR many years, plant physiologists have attempted to isolate and identify the growth substances which control plant growth. Many early attempts failed, largely because of the minute quantities of these compounds present in plants. Recently, microtechniques such as thin-layer chromatography have greatly stimulated interest in their identification.
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DENNIS, F., NITSCH, J. Identification of Gibberellins A4 and A7 in Immature Apple Seeds. Nature 211, 781–782 (1966). https://doi.org/10.1038/211781a0
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DOI: https://doi.org/10.1038/211781a0
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