The portion of a plant or cultivar that is grafted onto a separate rootstock, consisting of a piece of shoot with dormant buds that will produce the stem and branches. Related Images:
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Rootstock
The portion of a plant used to provide the root system and sometimes the lower part of the stem for a grafted plant. Related Images:
Graft
The placement of a scion (part of a branch containing buds) onto a growing root stock to produce a plant of a known variety. Related Images: