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