Volume 46 Number 4 Article 14
Year 1992 Month 10
Title: Grafting Success and Early Performance of Asian Pears on Pyrus calleryana Rootstock
Authors: H. Aung and F.B. Matta
Abstract:
Grafting success of 14 Asian pear cultivars on Pyrus calleryana and early performance of these cultivars after 2 growing seasons are reported.
Percentage survival was 1002) for 'Chojuro', 'Japanese Golden Russet', 'Kikusui', 'Seuri', 'Shinseiho', '20th Century', 'Yakumo' and 'Tsu-Li'. 'Erishinge', 'Hosui', 'Seigyoku' and 'Pai-Li' had 7525 survivals on P. calleryana rootstock 'Shinseiki' and 'Ya-Li' had poor survival attributed to poor grafts, since no incompatibility symptoms were observed.
Very early budbreak was observed in 'Korean Giant', 'Seuri', 'Pai-Li' and 'Tsu-Li' followed by 'Hosui', 'Japanese Golden Russet' and 'Kikusui'. 'Erishinge', 'Seigyku', 'Shinseiho' and '20th Century' were late blooming. 'Chojuro' was identified as a vigorous cultivar.
Scion and rootstock caliper did not differ at the end of the second growing season.
All trees of 'Chojuro' and 'Seigyoku' were infected with fire blight. 'Erishinge', 'Kikusui' and 'Seuri' did not exhibit fire blight symptoms.
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