Re: [nafex] Intraspecific graft incompatibility among apple clones?

On Oct 9, 2016, at 11:05 PM, Elizabeth Hilborn wrote:

> Hi folks,
>
> I am attempting to propagate a very good apple variety I discovered at a SW Virginia homestead.
>
> I grafted it to 1 Bud9 dwarfing rootstock and it is healthy and vigorous. On the 3 M111 grafts I have, it is alive, but struggling. Small sample size, but I am struck by the difference.
>
> I found:
> *b. Interclonal (between clones) / intraspecific*
> Interclonal / intraspecific compatibility (/among apples/ /Ed./) is the rule rather than the exception.
>
> From: https://courses.cit.cornell.edu/hort494/mg/specific.grafting/compatibility.html
>
> Has anyone observed apple graft incompatibility?
>
> Is M111 known to be problematic?
>
> Betsy Hilborn
> 7a NC
>

A couple of years ago I grafted a seedling tree with sentimental value to M7, G11, and a seedling crab apple. The season was wrong for grafting due to conditions beyond my control. Nonetheless, all of the grafts took except those to G11. Mine is an even smaller sample size, perhaps. And it might just be random chance. But the guy I spoke with at Cummins mentioned that M7 would be a good rootstock to use because it's very easy to graft to.

Ginda
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