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RE: [NAFEX] Alternate Pear rootstocks / others

From: rob hamilton <lostman_amiga@yahoo.com>
To: North American Fruit Explorers <nafex@lists.ibiblio.org>
Subject: RE: [NAFEX] Alternate Pear rootstocks / others
Date: Mon, 21 Jun 2004 15:52:15 -0700 (PDT)

This may not sove your problem, but it might be worth
looking into.
I just returned from the SFF meeting in Clarksville,
AR where there was a lecture on new rootstocks for
apples and peachs. One peach rootstock that got my
attention was called "Ta Tao 5" from China. This
rootstock contains a complex set of viruses that delay
blooming of Prunus trees for a week or two(all but
cherry which it kills). There doesent seem to be any
other effects of these viruses. Because the rootstock
conains viruses, there are problems in selling it to
the public. I dont know if this is or will be
resolved, but it might be worth investigating

Does anyone else know any other information about this
rootstock?

Robert Hamilton

--- Mark Lee <markl@nytec.com> wrote:
> Del,
> You mention Prunus maritima (beach plum) grafted
> onto local
> chokecherries and the timing of the bloom in partial
> shade. Is this
> later or earlier than you expect? Also when do other
> Prunus species
> (plums and cheeries) normally bloom for you? Mine
> start in late January
> and end in March. The reason I ask is I am
> interested in finding
> scionwood/rootstock combinations that delay
> blooming.
> -Mark Lee, Seattle
>
> -----Original Message-----
> From: nafex-bounces@lists.ibiblio.org
> [mailto:nafex-bounces@lists.ibiblio.org] On Behalf
> Of del stubbs
> Sent: Thursday, June 17, 2004 5:25 AM
> To: nafex@lists.ibiblio.org
> Subject: RE: [NAFEX] Alternate Pear rootstocks /
> others
>
> Last year I root grafted a couple varieties of pear
> on the Smokey
> variety of
> amelanchier, was delighted and surprised with the
> growth.
> I do not know how to determine what is the variety
> of craetagus we have
> locally, but so far my grafts of apple and pear have
> failed.
> 3 years ago I grafed several local chokecherries
> with p. maritima -
> beach
> plum. Even in the partial shade it has just this
> week flowered
> profusely,
> and is quite healthier than the mother plant - which
> is in full sun on
> heavy
> soil. So the buds of p.maritima have gone through
> minus 40F and come out
>
> happy - I didn't think it would be that hardy.
> Glad to hear of your pear rootstock breeding Dean.
> Del
>
> >From: "Dean Kreutzer"
> <deankreutzer@hotmail.com>
> >Reply-To: North American Fruit Explorers
> <nafex@lists.ibiblio.org>
> >To: nafex@lists.ibiblio.org
> >Subject: [NAFEX] Alternate Pear rootstocks
> >Date: Tue, 15 Jun 2004 10:07:04 -0600
> >
> >Hi Mark,
> >
> >I and others have been experimenting with
> Amelanchier for pear
> >rootstock. It is very dwarfing and quite
> precoscious. It isn't
> >perfect however as another grower has found that
> you should leave a
> >shoot of amelanchier to grow as well as the pear
> scion as the
> >rootstock just isn't that happy to have a pear
> on it. My own grafts
> >just sat there for two years before finally
> showing some vigor this
> >year.
> >
> >I believe it has been used by Dr. Olmo in the
> Pacific NW as well,
> >with good results however, although I am not
> sure if the amelanchier
> >was a local species or not.
> >
> >I am doing breeding between my local amelanchier
> and pyrus
> >ussuriensis to hopefully come up with a
> rootstock that is more
> >accepting of the pear scion, and still dwarfing.
> One thing is
> >certain, the rootstock is rock solid hardy.
> >
> >Take care,
> >
> >Dean Kreutzer
> >Regina, Saskatchewan Canada
> >USDA zone 3
> >
>
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RE: [NAFEX] Alternate Pear rootstocks / others, del stubbs, 06/17/2004
- RE: [NAFEX] Alternate Pear rootstocks / others, Mark Lee, 06/21/2004
  - RE: [NAFEX] Alternate Pear rootstocks / others, rob hamilton, 06/21/2004
    - Re: [NAFEX] Alternate Pear rootstocks / others, road's end farm, 06/21/2004
- <Possible follow-up(s)>
- RE: [NAFEX] Alternate Pear rootstocks / others, del stubbs, 06/22/2004