North American Fruit Explorers mailing list at ibiblio

[<dwoodard@becon.org>]

Apricot is generally not compatible with European plum. Some exceptions 
are the use for apricot (and peach) rootstocks of Brompton, Pershore 
Yellow Egg (both Prunus domestica), St. Julien A (which if memory serves 
is a cross between P. domestica and P. insititia) and the use of the 
Vineland strain of German Prune as an interstem allowing the growing of 
apricot on
Myrobalan roots.

I very much doubt that apricot would be compatible with hybrid plums in 
general through perhaps it might be with a few cultivars; I doubt the 
risk would make sense for a home grower.
If I had to make a bet on your first two questions my answer would be 
the same.
I have been told of someone using Prunus ussuriensis (also classed as a 
subspecies of P. salicina) as a rootstock for sour cherry but I don't 
know how much experience this was based on; the person in question was 
given to extreme optimism.

Rom

Doug Woodard
St. Catharines, Ontario, Canada


On Wed, 19 Dec 2012 10:31:02 -0500, Steven C <filtertitle@aol.com> 
wrote:
> Is peach completely graft-compatible with Japanese x American hybrid 
> plums?
>
> Is sour-cherry compatible with either Jap. X Amer. hybrid plum or
> European plum?
>
> Is Apricot fully compatible with either hybrid plum or European plum?
>
> Thanks,
> Steve