[NAFEX] Pear Dwarfing Rootstock

Douglas Woodard dwoodard at becon.org
Thu Aug 12 15:35:20 EDT 2010


I've read that Quince C has not been satisfactory in tests at the 
Vineland Station here in the Niagara Peninsula; apparently it is less 
cold-hardy than Quince A. Provence Quince is reported a little more 
cold-hardy than Quince A but is said to grow a slightly bigger tree.

Quince rootstock is somewhat more demanding of soil drainage and soil 
moisture than pear rootstock if one wants good production.

For growing unprotected in commercial orchards with sometimes scant 
snow, Quince A has been satisfactorily cold-hardy below the Niagara 
Escarpment in (old) zone 7a (historic winter low at Vineland minus 16 
degrees F.) but not above the escarpment in Agriculture Canada zone 6b.

It's probably a hair more cold-hardy than the classic vinifera grape 
cultivars, maybe a hair less than Redhaven peach.

Doug Woodard
St. Catharines, Ontario, Canada



Bob Hartman wrote:
> I've budded and grafted over 40 different varieties of pear to OHXF333 
> without any compatibility problems but not Kieffer.  There are so many 
> other factors to take into account.  Maybe someone who has grafted 
> Kieffer onto OHXF333 can respond to that.
> 
> In response to Doreen's question about dwarfing rootstock for pear 
> Quince C is more dwarfing than Quince A.  I didn't respond earlier 
> because I don't know if it would be cold hardy where she is located.  I 
> have many trees grafted onto Quince C but we don't have the cold problem 
> here.  See Douglas' message for information about compatibility of 
> varieties.  Also go to OSU's list 
> http://www.ars-grin.gov/cor/catalogs/pyrcult.html to see a list of 
> varieties that are quince compatible.  Look for the words "Quince 
> Compatible" in the description of the variety.
> 
> Bob
> Western Washington



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