Rootstock Graft Compatibility

[AndySmith]

St Lawrence Nursery is using it as a rootstock. Here’s a prior thread:

Euro pears on Ussurian rootstock

Anyone have own experience using Ussurian/Harbin as rootstock for European pears? Or know anyone who has? I’ve been reading whatever I can find to decide on a rootstock for my orchard but most reports are about Asian varieties, or are just repeats from previous publications re pear decline without any hard info. I don’t even know if that’s a problem here. There are many northern references to using Ussurian (which sounds good for me) but I’m not sure if it’s been for Euro varieties. Some varieti…