Definition of rootstock in English:



  • 1A rhizome.

    • ‘Conventional tillage is effective for reducing populations of many biennial and perennial weeds that may arise from rhizomes or rootstocks.’
    • ‘Plants that form rootstocks can be spurred to regrowth after several years through tillage.’
    • ‘Since the leaves of the plant wither back during the flowering period, make sure that the tuberous rootstocks are planted among ground covers that will provide added attractiveness.’
    • ‘In addition, weeds left uncontrolled may harbor insects and diseases and produce seed or rootstocks which infest the field and affect future crops.’
    • ‘It propagates itself by seeding and by creeping rootstock, so keep an eye on it and limit its growth.’
    • ‘Regrowth usually occurs, but this treatment will reduce competition from Canada thistle in soybeans and help prevent production of more rootstock.’
    radicle, rhizome, tuber, tap root, rootlet
    View synonyms
  • 2A plant on to which another variety is grafted.

    • ‘Rather than having been budded onto a rootstock, shrublets grow on their own roots, making these plants less susceptible to the ravages of winter.’
    • ‘A few fruit grower associations and progressive orchardists have already started importing virus-free nursery rootstocks.’
    • ‘‘We replanted with tighter spacing, better vine selections and rootstocks,’ said Kamen.’
    • ‘Most roses today are grafted onto rootstock that won't look anything like the rose you want.’
    • ‘The most vulnerable point on most rose plants is the bud union - the point at which the rose variety was budded onto a rootstock.’
    • ‘It is something of a myth that only roses that have been budded on to a rootstock by a nurseryman will grow.’
    • ‘A range of rootstocks was examined, with different abilities of dwarfing; both ungrafted and grafted with the same scion shoot cultivar.’
    • ‘You'll know a tree is on grafted rootstock if you see the graft union - a change in bark pattern or a ridge toward the base of the tree.’
    • ‘As a consequence, most people prefer to plant apple trees that have been grafted onto dwarfing rootstock.’
    • ‘The 1999 season was devoted to orchestrating the necessary nursery work in California to get the varieties they had chosen grafted on to rootstocks suitable for their soils.’
    • ‘So growers fused English walnut grafts onto the black walnut rootstock when trees reached a certain age.’
    • ‘Don't confuse what I am about to explain here with the common technique of grafting flowering shrubs on to the tall stem of some sort of rootstock.’
    • ‘When we were first setting out, we grew our own rootstock and grafted the cultivars ourselves.’
    • ‘You can bud up higher, but any new growth that appears below that bud must be removed because it will be identical to the rootstock and not the desired variety.’
    • ‘All of these qualities vary with the species of fruit tree, the variety, and rootstock.’
    • ‘The bud union, where the shoots join the rootstock, should be an inch under the soil.’
    • ‘A rootstock is the bottom, rooted portion of the plant to which the upper, grape-bearing scionwood is grafted.’
    1. 2.1 A primary form or source from which offshoots have arisen.
      ‘the rootstock of all post-Triassic ammonites’