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