North American Fruit Explorers mailing list at ibiblio

["Lon J. Rombough" <lonrom@hevanet.com>]

Most of the commercial P. bet.  was originally collected from the southern part of the range and lacks winter hardiness.  There IS cold hardy material, from the northern part of the range that is hardy to -40 or more, but it's not  sold commercially.  I spent some time at the National Clonal Germplasm Repository at Corvallis, OR where the pear collection is kept and got a little seed of some of the cold hardy stuff.  I don't live in a cold area, but I sent some to Wayne Fuhr in Canada and he reported that the seedlings took some extremely cold temperatures with no more than a little tip damage to some of the shoots.   I have a few of the trees and most are small, almost shrubby things, with the tallest no more than about 12 to 15 feet tall.  That's the mature height.  They have potential as dwarf stocks, if not cold hardy stocks, if they were propagated.
-Lon Rombough
Grapes, writing, consulting, my book, The Grape Grower, at http://www.bunchgrapes.com  Winner of the Garden Writers Association "Best Talent in Writing" award for 2003.
On Oct 24, 2005, at 5:19 PM, Richard MURPHY wrote:

<x-tad-bigger>Miss Me ??</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Sorry to be such a pest, but I stand to make a $$ mistake here....</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Does anyone have any first hand experience with Pyrus Betulaefolia  (BET) rootstock in lower zone 4 or colder?</x-tad-bigger>
<x-tad-bigger>Low temps around -20F</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>I like Cummins Nursery. They have the trees I want, on BET.</x-tad-bigger>
<x-tad-bigger>I'm a little nervous about the BET (Reimer Strain, if that matters) hardiness.</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Could be 30 trees in the crapper here, guys... any words ??</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Thanks again.</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Richard (the pest) Murphy</x-tad-bigger>_______________________________________________
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