cherry overgrowth on rootstock
I have a jubilium cherry on krymsk 7 going about 3 years old.
the tree is showing what to me is a noticeable overgrowth of the scion onto the rootstock...maybe 30% greater diameter above the graft...not just a bulge.
I have not run into this before but have read of it with certain combinations. I assume this will continue to get "worse" as the tree grows...yes?
Best strategies for dealing with it?
leave it alone
stake it and hope for the best?
the graft is quite close to soil line, maybe 3-4" above. I could mound up and try to get the tree to self root. Do cherry put out adventitious roots as apple will?
any experience appreciated