North American Fruit Explorers mailing list at ibiblio

[Andrew Bell <acbell@iastate.edu>]

At 12:50 PM 9/9/2003 -0400, you wrote:
> Derry:
>
>      We tried many different combinations of interstems using mostly M9, but
> also M27 and Bud 9 as dwarfing stem pieces.
>      The most uniform and productive trees came from the combination you
> mentioned below or M9 on MM106.  Trees resulted in a true semi-dwarf or
> about 12' tall, had better limb angles and the MM111 was nearly non
> suckering.  We buried the lower graft union by around 6" with 2" of the M9
> portion about soil surface.

Won't the buried interstem send out roots and cause some of the traits of 
the root section below to be lost?  How is this different than keeping the 
union above the ground for a simply grafted tree?

Thanks for the info!


-- Andrew Bell
acbell@iastate.edu