Rootstock

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Dictionary Meaning and Definition on 'Rootstock'

Rootstock Meaning and Definition from WordNet (r) 2.0
    rootstock n
  1. a horizontal plant stem with shoots above and roots below serving as a reproductive structure [syn: rhizome, rootstalk]
  2. root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots
Rootstock Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Rootstock \Root"stock`\, n. (Bot.) A perennial underground stem, producing leafly s?ems or flower stems from year to year; a rhizome.
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Wikipedia Meaning and Definition on 'Rootstock'


A rootstock is a plant, and sometimes just the stump, which already has an established, healthy root system, used for grafting a cutting or budding from another plant. The tree part being grafted onto the rootstock is usually called the scion. The scion is the plant which has the properties desired by the propagator, and the rootstock is the working part which interacts with the soil to nourish the new plant. After a few years, the tissues of the two parts will have grown together, producing a single tree although genetically it always remains two different plants.

The use of rootstocks is most commonly associated with fruiting plants and trees but is the only way to mass propagate many types of plants that do not breed true from seed or are particularly disease susceptible when grown on their own roots.

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