[nafex] Pear Rootstock

H.Dessureault inter.verbis at atreide.net
Tue Mar 12 09:24:48 EST 2002


Hi Rob, 
I am using the wild variety of Hawthorn that grows spontaneously in my part of the world. (Québec, 30 miles north of Ottawa, zone 4 going on 3 as someone described it recently).
 Pears seems to do better on Hawthorne than on Pyrus ussuriensis, recommended around here for hardiness. I have some pears trees grafted on other unknown varieties of rootstock (probably not hardy enough for this climate) and I have now buried the graft underground to allow for the variety to take root (Luscious, Hudar) in the hope that the growth may be improved. On Hawthorne, last year, I got an average of 60 % of take. One graft in particular, a Patten scion, achieved two feet of growth in one season with side branches, which is spectacular in my book. 
It reminds me that I just received some scion wood of an edible Mountain ash, apparently a dark blue berry instead of the usual red berry (edible for the birds) , which I was told is compatible to Hawthorn as well. 

To get back to the original subject of fireblight brought up by Doreen, all I can add is that I have noticed a bit of fireblight last year on some trees grafted on pyrus ussuriensis and none on pear trees grafted on Hawthorn. It is merely an observation though as there are other factors and the experiment started two years ago. In a few years, I will have the same varieties established on both pyrus ussuriensis (is this correct Nathan?) and Hawthorne and then we shall see...

Hélène
Hélène
  ----- Original Message ----- 
  From: rmturley at aol.com 
  To: nafex at yahoogroups.com 
  Sent: Monday, March 11, 2002 11:11 PM
  Subject: Re: [nafex] Pear Rootstock


  In a message dated 3/11/2002 7:57:16 PM Central Standard Time, 
  inter.verbis at atreide.net writes:


  > I started grafting my pears on Hawthorn two years ago. The scions take is
  > really good and the growth too. Hawthorn are smaller than pear trees so I
  > expect some dwarfing and I have never seen Hawthorn with fireblight.
  > Hélène

  Helene,

  Which Hawthorne are you using?

  Rob
  Robert M. Turley, M.S.
  Extension Horticulturist
  Calcasieu Extension Agriculture Center
  7101 Gulf Hwy.
  Lake Charles, Louisiana  70607-7414

  Ph:  337-475-8812
  Web:  <A HREF="http://www.agctr.lsu.edu/parish/calcasieu/hort1.htm">http://www.agctr.lsu.edu/parish/calcasieu/calhort/horticulture.htm</A>


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