Abstract
An improved method of grafting mature vines was sought in a grape breeding program so as to increase wood of seedling selections and also to obtain adequate fruit yields for early winemaking. Canopy bark grafting was developed in 1964 to implement this search. A one-bud scion is barkgrafted to the trunk of an actively growing vine, under a canopy of canes in full leaf. In cases of failure, a second graft can be made. When scion growth is assured, the upper structure of the vine can be cut away, or it can be retained for its crop and removed in the following winter.
In 1963, in an experiment by Alley (1), the tops of vines were cut off and the trunks bark-grafted at the point of severance. Canopy bark grafting is the same in principle but differs in application.
- Accepted September 1976.
- Published online January 1976
- Copyright 1976 by the American Society for Enology and Viticulture
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Vol 27 Issue 4
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