Before revision: The bud will usually not begin growing until the following spring, though you can determine if the grafting succeeded before that by seeing whether the bud swells or URL The next spring, all other shots than that from the scion bud are removed, which will then become the source for the new top of the plant.
After revision: Depending on sap flow, the bud may not begin growing until the following spring, though you can determine if the grafting succeeded before that by seeing whether the bud swells or URL The next spring, all other shots than that from the scion bud are removed, which will then become the source for the new top of the plant.