The top-grafting of large trees is an important operation, and there are many men who make it a business.
Any varieties of butternut or black walnut can be propagated by budding or top-grafting them on seedling stocks.
The most important factor in the top-grafting of an old tree is the shaping of the top.
It is particularly adapted to large stocks and is the method universally employed for top-grafting old trees.
Budding is sometimes employed the same as top-grafting for changing over the top of an old tree from one variety to another.
This is particularly the case in stock-grafts and in renewing an orchard by top-grafting.
Free from blight and apparently valuable as a stock for top-grafting.
Cleft-grafting is often employed for other purposes than the 88 top-grafting of old trees.