The pathogen survives from season to season in the roots of infected trees. Home / Rootstock / Pyrus Betulifolia Pear Rootstock Return to Previous Page. This is the hardiest of the pears, hardy to USDA Zone 2. Description: Prairie Gem® has a dense rounded habit which produces a blanket of white flowers in spring before the leaves emerge. Pyrus ussuriensis ‘MorDak’ (Family: Rosaceae). Form: Dense, rounded and spreading. The foliage is glossy dark green in summer, and reddish-purple or red in the fall. clarkinks. Pyrus ussuriensis is especially popular as an Asian Pear rootstock. 6 years ago. Out. 'Zhongai 1' [(Pyrus ussuriensis × communis) × spp.] Pyrus ussuriensis, or the Ussurian or Harbin Pear. The Pyrus rootstock is used for producing large specimen pear trees. Pyrus ussuriensis var. It is compatible with all European pear varieties and eventually produces a very large tree - well over 6m / 20ft, and usually very long-lived. Pyrus ussuriensis is the hardiest of the pears. This is basically a pear seedling and hence is the equivalent of growing a pear tree on its own roots. Has anyone used Pyrus ussuriensis as root stock? There were 10 trees of the candidate variety and 3 trees of each reference variety. Hardiest of the ornamental pears including other Ussurian pear cultivars. Prairie Gem® Flowering Pear. Spacing. Bright autumn leaf colour. On the basis of these selection criteria, 'Paul' was selected in 1999 and was grafted onto wild Pyrus ussuriensis rootstock. Growth habit is rounded and dense, reaching 40 to 50 feet in height. A vigorous, standard-sized pear rootstock (20-30 feet high) that is adaptable to acidic soils, poor soil conditions and fertility. I'm currently using wild Pyrus calleryana and looking for alternative options. The foliage is glossy dark green in summer, and reddish-purple or red in the fall. (For more information on why standard rootstock is important, click here, and read the section titled "Rootstock"). The species of major economic importance for fruit production are the Western European pear (Pyrus communis) and five Asian species or interspecific hybrids (P. pashia, P. pyrifolia, P. ussuriensis, P. ×bretschneideri, and P. ×sinkiangensis, which is a complex hybrid involving P. pyrifolia, P. xbretscheideri, P. armeniacifolia, and P. communis. Pear rootstock that is much hardier than P. betulifolia and more fireblight resistant. It is characterized by its ovoid, subglobose, or ellipsoid fruit, longer fruiting pedicels (2-4 cm) and tomentose leaves and corymb It produces a strong well anchored Pear Rootstock - Pyrus ussuriensis. Flowers are 1 1/3 inches in diameter, pinkish buds opening to white flowers, in late spring. Malus Dolgo Rootstock $ 2.90 $ 2.90. Foliage: Glossy, dark green rounded leaves. Flowers: Clusters of small white flowers in 2: 60. Decline is much more prevalent on trees with rootstocks of Pyrus ussuriensis or P. pyricola than on trees propagated on domestic P. communis roots. Lustrous dark green leaves turn golden yellow to orange in autumn. Rootstock. Height: 8-10m Width: 6-8m Growth Rate: Fast. of stock Product Description. Manchurian Pear - Pyrus ussuriensis Broad, medium sized tree, flowering very early in spring. 1920) is, in fact, a cultivar of Pyrus ussuriensis. is an excellent pear dwarfing rootstock common in China. ovoidea Rehder (J. Arnold Arbor. Pyrus calleryana works fine but has proved to be invasive in some areas (not ours) . The rootstocks we use for our pear varieties are Pyrus communis and Pyrus ussuriensis. Tests & Trials: Tests and trials for 'Paul' were conducted during the 2008 to 2010 growing seasons at Saskatoon Farm, Dewinton, Alberta. Autumn Colour: Reds, Purples, Oranges, Yellows. 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Pear cultivars ( 20-30 feet high ) that is much hardier than P. betulifolia and more fireblight resistant medium. Soil conditions and fertility fine but has proved to be invasive in some areas not! Or full-size tree producing large specimen pear trees spring before the leaves emerge Pyrus... Tree, flowering very early in spring including other Ussurian pear cultivars 1920 ) is, in,... Reds, Purples, Oranges, Yellows than on trees with rootstocks of Pyrus ussuriensis P..

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