[NAFEX] Wild(?) pear question

Richard Harrison rharrison922 at yahoo.com
Fri Sep 4 11:33:44 EDT 2009


Donna,
     There are low-chill seedlings of calleryana---and high chill strains that grow in Kansas. It all depends............. My first thought was of calleryana, although my second thought was of the ussuriensis---which I couldn't recall the name at the time. Ussuriensis doesn't perform as well here as calleryana. I have Ya Li and Tsu Li on ussuriensis. They are decidedly dwarfer than Ya Li on calleryana.
                                                                Richard


--- On Fri, 9/4/09, Kieran &/or Donna <holycow at frontiernet.net> wrote:


From: Kieran &/or Donna <holycow at frontiernet.net>
Subject: Re: [NAFEX] Wild(?) pear question
To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
Date: Friday, September 4, 2009, 9:49 AM





No, the one thing I read every time about calleryana is that it's NOT hardy as a rootstock.  That leaves P. ussuriensis as the most likely candidate.  Okolo is a  ussuriensis offspring that may be hardy enough for you, from Dr. Hansen's work I think.  I didn't get good takes from my grafts of that one, but if you'll look at the Corvallis site, they have a list of hardy pears.  You'll want only the very hardiest.  You can call for nominations right here.  Donna 
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