North American Fruit Explorers mailing list at ibiblio

[Claude Jolicoeur <cjoli@gmc.ulaval.ca>]

A 19:42 09.01.18 -0800, vous avez écrit :
>could it be possible to graft pears onto apples?     wondering if anyone
>has this knowledge or experience
>thanks from wynne in nc washington state

I did it and have been able to harvest pears in a Cortland apple tree.
However all grafts eventually died from incompatibility - the oldest
survivor lasted 10 years. 

As Lon mentioned, some variety combinations seem to be compatible in the
long term.

Claude Jolicoeur