rootstock
Noun
Meaning
A perennial underground stem, producing leafly s/ems or flower stems from year to year; a rhizome.
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Common rootstocks include Mazzard, Mahaleb, Colt, and Gisela Series, a dwarfing rootstock that produces trees significantly smaller than others, only 8 to 10 feet (2.5 to 3 meters) tall.
In situations where extreme cold has damaged or killed the olive tree the rootstock can survive and produce new shoots which in turn become new trees.
This is done by grafting the fruit producing plant onto rootstock grown from seedlings or, if the plant is desired to be a true cultivar, rootstock grown from cuttings of a mature plant.
The Bradford pear ( Pyrus calleryana 'Bradford') in particular has become widespread in North America, and is used only as an ornamental tree, as well as a blight-resistant rootstock for Pyrus communis fruit orchards.
To keep our costs low, we purchased rootstock instead of older trees; now, almost six months later, our apple trees stand about as tall as me (not very tall), and have sprouted several branches.
Willow Drive sells rootstock to other nurseries but is keeping more for its own finished tree production, Adams said.