canker bacterial disease
I have this disease on my peach tree. It starts at the trunk goes up the tree. I need to know what to do with it and how to cure it.
There are two common bacterial cankers on peaches, cytospora canker: https://www.gardeningknowhow.com/plant-problems/disease/weeping-amber-in-trees.htm
and bacterial canker: http://www.ipm.ucdavis.edu/PMG/r602101011.html
You can make use of your county extension service to identify which you have, and how to deal with it. This site will help you locate one: https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm