[nafex] looking for a hardiness listing of peach rootstock

Jolyn jolyn at tctwest.net
Wed Sep 24 09:25:41 EDT 2014


Cummins Nursery sells peach on Krymsk 1.  I have a 4 yr old Contender on K1 
which has fruited as well as several plums and apricots on K1 here in Zone 4 
Montana.
Jolyn

-----Original Message----- 
From: dwoodard at becon.org
Sent: Wednesday, September 24, 2014 6:48 AM
To: nafex at lists.ibiblio.org
Subject: Re: [nafex] looking for a hardiness listing of peach rootstock

In the Niagara peninsula (I think USDA zone 6), Bailey seedlings are
preferred.

In the Windsor area of Southern Ontario, there was some interest in the
past in Siberian C.
Tzim Pee Tao or Chui Lum Tao were I understand eventually preferred
there from trial results, but I'm not sure what the growers have settled
on. I have the impression that the advantage over Bailey for Sw Ontario
conditions was not great. In British Columbia (Okanagan valley) Siberian
C seems to be approved, but soil treatment for nematodes is recommended.

An article from 1950 based I think mostly on U. Minnesota work,
suggested that St. Julien A was about USDA zone 5 hardiness.

I have read of prairie-hardy Western sand cherry Prunus besseyi being
used as a rootstock for peach on well drained soil for short periods,
and sometimes P. tomentosa, but I am not sure about long term
compatibility and anchorage.

Snow cover and root insulation will make a difference.

Krymsk is just north of the western end of the Caucasus mountains, a
little SW of Krasnodar which from its wikipedia article has a record low
of about minus 27 degrees Fahrenheit.

Krymsk1 is a cross between Prunus tomentosa and P. cerasifera
(myrobalan). See
http://www.janssen-rootstocks.nl

Doug Woodard
St. Catharines, Ontario, Canada



On Tue, 23 Sep 2014 07:57:51 -0500, mIEKAL aND <qazingulaza at gmail.com>
wrote:
> I'm beginning to think that part of the reason I lost almost 50
> grafted peach trees last winter has as much to do with rootstock
> hardiness and the cultivars themselves.  I'm wondering if anyone knows
> of a hardiness listing of peach rootstocks?  In particular Nemaguard,
> Lovell, St Julian A, Krymsk 1, Mariana 2624 and any other so-called
> hardy peach stocks.
>
> Several places are listing Lovell as a zone 7 rootstock, something I
> did not realize.
>
> ~mIEKAL

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