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COMMON
PEAR ROOTSTOCKS
Listed in approximate order of dwarfing / size
control--- results can vary with your site and the vigor of grafted scion.
PyroDwarf® (USPP 11041) [40-50%]--- Very
precocious with fruiting beginning in 2-4 years. High yield
efficiency. Uniform fruit size. Highly frost hardy. Does not
sucker. Low
availability of varieties--- recommended for testing.
OHxF 333 [50-70%]--- A superior selection to
replace Province Quince as it is much more hardy. 50-70% of standard
size. Resistant to fire blight and pear decline. Does not
sucker. Well anchored and productive. Does well on a variety of
soils. Very
limited in availability.
Pyro™ 2-33 (USPP 12771) [85-90%]--- A very
precocious rootstock recommended for testing at this time. Early
fruiting. Shows good winter hardiness and anchorage. Low
availability of varieties--- recommended for testing.
OHxF 87™ (USPP 6362) [85-90%]--- One of the
most precocious OHxF rootstocks. Promotes early spurring. Slightly
dwarfer than OHxF 97. Good
availability of many varieties.
OHxF 97 [95-100%]--- This Old Home x Farmingdale
selection is replacing common pear seedling. Similar in vigor and size
control it will produce almost standard trees which are very productive.
Well anchored. Excellent
availability of most varieties.
Pyrus communis "Bartlett seedling" [100%]--- Common pear seedlings
which produce 100% standard size trees. Being replaced by the OHxF
series. P. communis is very vigorous and has good productivity, but can be
more variable than desired due to its seedling nature and natural genetic
variability. Reduced
availability since being replaced by OHxF rootstocks which produce more uniform
trees.
Pyrus betulafolia [100%]--- An excellent
rootstock for Asian Pears on the East Coast.
Limited Availability.
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