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Studies on the Growth Hormone of Plants. III. The Inhibiting Action of the Growth Substance on Bud Development

Thimann, Kenneth V. and Skoog, Folke (1933) Studies on the Growth Hormone of Plants. III. The Inhibiting Action of the Growth Substance on Bud Development. Proceedings of the National Academy of Sciences of the United States of America, 19 (7). pp. 714-716. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:THIpnas33

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Abstract

It has long been known that when the growing point of a young dicotyledonous plant is removed, the axillary buds on the stem below it begin to develop. As long as the terminal bud is present, the development of the axillary buds is inhibited. A lateral bud may also be inhibited by the rapid growth of another lateral above it, as we have found in our experiments, or opposite it, as in those of Dostal (1926). Furthermore, Snow (1929a) has shown that the inhibition, in Pisum, is principally due to the young leaves in the developing bud. The evidence indicates that this inhibition is probably caused by a special substance (see Snow, 1929b). There was reason to believe that this inhibiting substance is of the same nature as the growth-promoting substance of Avena coleoptiles, and the experiments to be described here confirm this belief.


Item Type:Article
Additional Information:Copyright © 1933 by the National Academy of Sciences. Communicated April 24, 1933.
Record Number:CaltechAUTHORS:THIpnas33
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:THIpnas33
Alternative URL:http://www.pnas.org/content/vol19/issue7/
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10378
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:01 May 2008
Last Modified:14 Nov 2014 19:20

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