trimming a weeping grafted cherry tree

Question

My cherry tree has a bough which is much longer than the others.

1) How do you trim it equally?
2) Do you need to treat the trimmed bough?

Thank you.
Roy.

Answer 1

This article will help with pruning: https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/pruning-weeping-cherry.htm