root graft

American  

noun

1. Horticulture. the process of grafting a shoot or stem of one plant onto a section of root of another.

2. a plant, commonly a young one, that is the result of root grafting.

3. the natural underground growing together or joining of the roots of nearby plants.

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Etymology

Origin of root graft

First recorded in 1815–25

Example Sentences

The whole root graft should not be more than six or seven inches long.

From American Pomology Apples by Warder, J. A.

There exists a 4th type of walnut graft, dating from 1880, which if done intelligently, permits the rapid multiplication of the walnut—the root graft.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association

As for the claim that a root graft on a piece-root never makes a vigorous tree, we know that is nonsense.

From One Thousand Questions in California Agriculture Answered by Wickson, Edward J. (Edward James)