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[root-stok, roo t-] /ˈrutˌstɒk, ˈrʊt-/
Horticulture. a root and its associated growth buds, used as a stock in plant propagation.
Botany. a rhizome.
Origin of rootstock
1930-35; root1 + stock Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rootstock
  • Advancements in rootstock breeding and selection have revolutionized the manner in which apples are grown throughout the world.
  • rootstock effects on plant vigor and watermelon fruit quality.
  • rootstock resistance to fusarium wilt and effect on fruit yield and quality of two muskmelon cultivars.
  • Long used for cold-hardy rootstock, the trees typically bear pear-shaped or oval fruit that ripen in fall.
  • Alarmingly, this particular rootstock is noted for disease resistance, especially in soils were drainage is a problem.
  • The active principles of kava rootstock are mostly, if not entirely, contained in the lipid-soluble resin.
  • rootstock effect on growth of apple scions with different growth habits.
  • Large rootstock had the highest grafting survival while the traditional waxing method resulted in grafting failure.
  • While needle width increased with age regardless of rootstock age, photosynthetic rates were a function of the rootstock used.
  • rootstock the underground part of a plant normally referring to a caudex or rhizome.
British Dictionary definitions for rootstock


another name for rhizome
another name for stock (sense 7)
(biology) a basic structure from which offshoots have developed
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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rootstock in Science
  (rt'stŏk', rt'-)   
See rhizome.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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