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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.
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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apical dominance in Science
apical dominance
  (ā'pĭ-kəl, āp'ĭ-)   
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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