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Further Experiments on the Inhibition of the Development of Lateral Buds by Growth Hormone

Skoog, Folke and Thimann, Kenneth V. (1934) Further Experiments on the Inhibition of the Development of Lateral Buds by Growth Hormone. Proceedings of the National Academy of Sciences of the United States of America, 20 (8). pp. 480-485. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:SKOpnas34

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Abstract

The inhibition of lateral buds brought about by the application of growth substance after decapitation is not due to a stimulation of the growth of the experimental plants, since inhibition is complete without any accompanying increase in stem length or thickness. The application of two different crystalline preparations of growth substance, auxin B and Hetero-auxin, to decapitated Pisum shows these to be at least as active in causing inhibition as the impure preparation from Rhizopus, when used in the same growth substance concentrations. A third crystalline compound, auxin A, which had lost most of its growth-promoting activity produced no inhibition. The inhibition produced by the application of the growth hormone is not accompanied by any injury to the plant.


Item Type:Article
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Additional Information:Copyright ©1934 by the National Academy of Sciences. Communicated July 2, 1934.
Record Number:CaltechAUTHORS:SKOpnas34
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SKOpnas34
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11684
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:18 Sep 2008 22:48
Last Modified:14 Nov 2014 19:20

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