Posted: 09/10/2013 at 21:18
You can turn water shoots into productive branches, but if the shape of the tree is ruined then there is little point.
Decide which shoots are the best, ie growing in the right direction etc. then remove all the others back to one leaf joint from their point of origin.
On the retained shoots remove the tip back to a leaf joint.
All this should be done in SUMMER. Pruning in Autumn/ Winter encourages new growth and you want fruiting spurs not new branches.
Takes a few years to get the tree back to production, so you have to decide if it is worth it.