Questions not deserving of a whole thread

[nil]

Looks a little like the tree from this thread.

What plum rootstock is this?

Hi, I am new here and needed some help from experienced people here on this forum. I bought a multi-graft plum tree 2 years ago before I know anything. It had Beauty, Santa Rosa, Italian, Burbank and Shiro. But now Beauty completely took it over. I will skip all the details for now and tell the story in another post later on. I really like the bark of the rootstock (pic #1). Now it sends suckers from the ground (pic #2). At least it looks like the suckers from this rootstock. The sucker has t…