Compatibility grafting?

[JohannsGarden]

Check out this thread.

Pear rootstocks

I just read an article suggesting the possible trials of Amelanchier (serviceberry) as a hardy, dwarfing rootstock for pear. It suggested that the native serviceberry is hardy to -40F and that it produces a tree roughly half the height of OH&F87. There was no mention of graft compatibility, disease or pest resistance, etc… Has anyone tried this? I have tons of serviceberry growing wild here and could easily appropriate some saplings for use as rootstock or plant some seeds. I’ve never done …