Malus angustifolia as a rootstock?

General Fruit Growing
#1

I may try growing and grafting my own apples.

Has anyone used (or seen reviews of) Malus angustifolia as a rootstock? It’s native to the SE/Mid Atlantic, shows some fireblight resistance, and would probably impart at least some dwarfing.

Any thoughts?

#2

My thought is if it’s not being used already there’s a very good reason why. One possiblity would be lack of compatibility. But that’s only a guess.

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#3

I suspect it is being used as a minor part of the genetics from University of Minnesota?
Anyone know for certain?

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