[NAFEX] Alternate Pear rootstocks
Lon J. Rombough
lonrom at hevanet.com
Tue Jun 15 16:30:56 EDT 2004
I have a tree of Crataegus douglasii that was topworked to three pears over
30 years ago and has never had a sign of rejection. Bartlett and Fall
Butter pears reached about 12 feet, while a graft of Old Home is over 20
feet tall, if not taller.
I've got several pears growing on cockspur hawthorn(C.crus-galli)
rootstock. Oldest one on this is a graft of Ubileen, probably 4 years
old, looks quite healthy, with good branching, but is only about 5 ft
tall. No fruit yet. I'm somewhat concerned about the possibility of the
tree breaking over at the graft union at some point in time, as the pear is
quite a bit larger, already, than the hawthorn understock.
Have several pears grafted onto seedling apple/crab rootstocks(purchased as
P.communis seedlings, but they weren't). Magness and Warren look OK, but
Luscious and Ayers evidently don't 'like' apple - or, maybe the apple
doesn't like the pears. Ayers grew like crazy the first year, but has
stalled over the past 3 years or so, and is now declining. I've re-grafted
it onto an OHxF rootstock.
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