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