apical-dominance

apical dominance

noun Botany.
suppression of the development of lateral buds in a growing plant shoot, caused by hormones produced in the tip of the shoot.

Origin:
1945–50

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
apical dominance   (ā'pĭ-kəl, āp'ĭ-)  Pronunciation Key 
Inhibition of the growth of lateral buds by the terminal bud of a plant shoot. In most plants, apical dominance results from the release of auxin by the apical meristem.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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