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allelopathy

[uh-lee-lop-uh-thee, al-uh-lop-] /ə liˈlɒp ə θi, ˌæl əˈlɒp-/
noun, Botany
1.
suppression of growth of a plant by a toxin released from a nearby plant of the same or another species.
Origin
1940-1945
1940-45; < French allélopathie; see allele, -pathy
Related forms
allelopathic
[uh-lee-luh-path-ik, uh-lel-uh-] /əˌli ləˈpæθ ɪk, əˌlɛl ə-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for allelopathy
  • The study of allelopathy as a discipline has a long and varied history.
  • Determine how variation in allelopathy affects population growth and demography.
  • allelopathy and exotic plant invasion: from molecules and genes to species interactions.
  • allelopathy is the secretion by plants of chemicals that inhibit the growth or reproduction of competing plant species.
British Dictionary definitions for allelopathy

allelopathy

/ˌælɪˈlɒpəθɪ/
noun
1.
the inhibitory effect of one living plant upon another by the release of toxic substances
Word Origin
from French allélopathie, from Greek allēl- one another + pathos suffering
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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allelopathy in Science
allelopathy
  (ə-lē-lŏp'ə-thē, āl'ə-)   
The inhibition of growth in one plant species by chemicals produced by another. For example, other plants will often not grow underneath black walnut trees, since these trees produce juglone, a chemical inhibiting plant respiration.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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