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