[NAFEX] Peach rootstock

R F Hollaus hollaus at comcast.net
Thu Nov 29 13:01:56 EST 2007

Sounds like what you want out of P. americana is a homozygous seed line that is 
true for peach grafting.  If you can find it then keep your americana seed line 
isolated.  If you find it works in most cases and not all then think about grafting in 
the first leaf instead.  I can't remember the exact book I read this or where it was 
done but I do know Nanking plum (tomentosa) was tried as peach dwarfing stock 
and the results were mostly failures after a few years growing. When micro-grafted 
up in the first leaf there was improvement because 50% lived long term.  The 
mechanism responsible for better takes was never identified but I have always 
wondered about this.  I think it is called mentoring, the power of seedlings to say for 
example rejuvenate adult phase scions back to again a juvenile and again ready to 
root state.  They took adult eucaliptus and every year they took the tip growth of the 
adult wood back to a one year seedling for whip grafting.  It was only after 6 years 
complete youth was re-established.
Rupert, PNW zone7-8

-------------- Original message -------------- 
From: john bunker <jbunker at gwi.net> 

> Doug et al., 
> Bailey's Nursery in St Paul suggested using P americana with peach. They 
> have had good experience. For us it is definitely in the experimental 
> stage. We're very much open to other suggestions. We have experimented 
> with a number of peach rootstocks. Most of what we've gotten has been junk. 
> It's very useful to hear other experiences. 
> Thanks 
> JB 
> John Bunker 
> Fedco 
> P.O. Box 520 
> Waterville ME 04903 
> phone: 207 873-7333 
> fax: 207 872-8317 
> "planting trees is good to do" 
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