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