North American Fruit Explorers mailing list at ibiblio

[Alan Haigh <alandhaigh@gmail.com>]

"why would you want to kill the original rootstock?'

The conversation was started by the suggestion that own rooted trees are
hardier against cold than grafted ones, for one thing.  Also, if you want
to make use of suckers, this might assure that the suckers were trees of
the grafted variety.