Fruit trees may be pruned from now till March in the north.
When worked at the top of a stem formed of the stock, the growth from the graft or bud must be pruned in a similar way.
This is the proper foundation for a good specimen, and illustrates how all such subjects should be pruned to keep them stocky and presentable in form.
The older plants will occasionally require the roots pruned in order to keep them in as small pots as possible without being starved.
If a piece of bark and cortex are torn off, the occlusion takes longer, because the tissues have to creep over the exposed area of wood; and the same is true of a transverse cut severing the branch, as may be seen in any properly pruned tree.