Abstract
MANY auxins which probably are not indole-derivatives have been detected in plants by chromatographic methods. Their identification, however, seems to be very difficult. On the other hand, progress in auxin physiology is dependent in the first place on the actual isolation and identification of naturally occurring auxins. As yet indole-derivatives are recognized as the principal growth-regulators only in relatively few plant species. This, however, does not mean that they are the only auxins present.
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VENDRIG, J. Growth-regulating Activity of some Saponins. Nature 203, 1301–1302 (1964). https://doi.org/10.1038/2031301a0
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DOI: https://doi.org/10.1038/2031301a0
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