If not, it would produce the rootstock tomato, which would probably be inedible.
From the post-gazette.com
To help the plant establish a robust rootstock, prune any leaves that may arise.
From the sfgate.com
Fraser fir is usually grafted in April when the rootstock and scion are dormant.
From the sciencedaily.com
If shoots originate from the rootstock, the resulting fruit is usually inedible.
From the sacbee.com
Sometimes, three of us work side by side on a single rootstock, saying nothing.
From the sacbee.com
Take a known stellar tomato rootstock and graft a fussier tomato scion onto it.
From the ocregister.com
Scions are grafting branches that can be attached to rootstock or existing trees.
From the sacbee.com
Today, new roses like Knock Out and Drift roses are grown on their own rootstock.
From the sacbee.com
When rootstock suckers are allowed to develop, their fruit is usually insipid.
From the dailynews.com
More examples
Rhizome: a horizontal plant stem with shoots above and roots below serving as a reproductive structure
Root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots
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. ...
A very short, but often thick stem, growing vertically at or just above the surface of the gravel. Often referred to as the Crown.
The root upon which the scion is grafted.
Because of the consequences of the deadly root disease phylloxera, most vines in commercial vineyards are now grafted onto a suitable American variety (these are resistant to phylloxera). The precise choice of rootstock is a critical viticultural decision, as they all have different properties.
A propagation term for a vigorous rooting plant upon which another (known as a scion) is grafted.
A root system for a fruit tree on which the scion variety is budded or grafted. Rootstock may be used to control tree size, induce fruiting, provided adaptation to specific climate or soil conditions.
A plant used as the recipient understock in budding or grafting.