[NAFEX] Archived discussion: Re: Best Dwarfing Rootstock for Pears?

Lucky Pittman lucky.pittman at murraystate.edu
Fri Feb 8 10:40:42 EST 2008

>From: "Ethan Natelson, M.D." <natelson at stehlinclinic.com>
>To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
>Date: Fri, 9 Dec 2005 10:30:08 -0600
>Actually, OH x F 513 as an interstem does 
>produce dwarfing, in contrast to Pyrodwarf, 
>which does not.  Conference as an interstem is 
>alleged to produce 50% dwarfing on 
>seedling.  The interstems should be at least 12 
>inches in length to get the maximal effect.  I 
>believe the Van Weil Nurseries sell Pyrodwarf.
>[Ethan Natelson, M.D.]
>  -----Original Message-----
>From: nafex-bounces at lists.ibiblio.org 
>[mailto:nafex-bounces at lists.ibiblio.org]On Behalf Of lee reich
>Sent: Friday, December 09, 2005 8:59 AM
>To: North American Fruit Explorers
>Subject: Re: [NAFEX] Best Dwarfing Rootstock for Pears?
>That Pyrodwarf rootstock looks good. I wish I 
>had known about them -- I grafted a bunch of 
>pears last spring using a seedling rootstock and 
>an interstem of OH X F 513. I was told that that 
>the dwarf interstem on pear would not 
>necessarily dwarf the tree. Where can Pyrodwarf rootstocks be purchased?
>Lee Reich

>On Dec 8, 2005, at 10:19 PM, Lamb Abbey Orchards wrote:
>>I'd have to go with Natelson's recommendation 
>>for Pyrodwarf.  My orchard is located Zone 
>>5a/Coastal Maine and I had about 250 trees 
>>budded onto Pyrodwarf this past August after 
>>having looked into a handful of dwarfing pear 
>>rootstocks.  The best option for a hardy 
>>dwarfing pear rootstock by far looked to be 
>>this rootstock.  Check out the following PDF file:
>>It provides not only a good visual comparison 
>>between trees on Pyrodwarf vs. Quince EMLA C, 
>>but also quantifies fruit weight, relative 
>>yield and a few other characteristics.    I'll 
>>be planting these new trees in Spring of '07 
>>and another block on Pyrodwarf in Spring of 
>>'08, 30 varieties total.   Ask me next Summer 
>>and I'll let you know which varieties look to 
>>be compatible with the Pyrodwarf.   I'm excited about trying it.
>>* * * * *
>>Lamb Abbey Orchards
>>Union, Maine  04862
>><mailto:lambabbey at gmail.com>lambabbey at gmail.com
>>44° 15' 47" N / 69° 18' 42" W
>>Message: 1
>>Date: Thu, 08 Dec 2005 13:25:36 -0600
>>From: sherwindu <<mailto:sherwindu at comcast.net>sherwindu at comcast.net>
>>Subject: [NAFEX] Best Dwarfing Rootstock for Pears?
>>To: <mailto:nafex at lists.ibiblio.org>nafex at lists.ibiblio.org
>><<mailto:439888B0.F594F2C8 at comcast.net>439888B0.F594F2C8 at comcast.net>
>>Content-Type: text/plain; charset=us-ascii
>>I'm trying to determine the best dwarfing rootstock for pears in zone
>>5.  I have
>>used Quince EMLA C in the past, with uneven results.  I realize that
>>there are
>>compatibility issues with certain varieties of pears, and that
>>interstems have been used
>>to solve that.  Just like to get the latest info on what is available.
>>My objectives would
>>be the most dwarfing possible, heartiness for zone 5, and compatibility
>>with pear
>>varieties (interstems would be acceptable, but not desirable).
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