After a tree has been trained as a espalier it will not need
"excessive" pruning. But such tree forms were one of the reason
dwarfing rootstocks were investigated and used.

And yes, I have seen espalied full size apple trees. I didn't come
here to argue. My my my...

hapy gardening is happy gardening. It ain't 1984 no more, this
is a Brave New World.

baHBBB bbsmcn (I like lopping)