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首页> 外文期刊>Acta Horticulturae >The Importance of the Use of Rootstocks with Hypersensitivity Resistance to PPV for the Cultivation of Hypersensitive European Plum Cultivars
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The Importance of the Use of Rootstocks with Hypersensitivity Resistance to PPV for the Cultivation of Hypersensitive European Plum Cultivars

机译：使用对PPV过敏的砧木在欧洲超敏感李子品种的培养中的重要性

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摘要

The behavior of 6- to 10-year-old trees of two hypersensitive plum cultivars ('Jojo', 'Hoh 4517') grafted onto a PPV sensitive rootstock under natural PPV inoculation conditions was observed. Some of the rootstocks got infected with PPV. In case of 'Jojo', no effect on the phenotype of the crown part could be observed. In case of 'Hoh 4517', single young shoots showed necrosis on the young shoots. These lesions facilitated secondary infections with Pseudomonas bacteria which then led to the death ofwhole branches. In order to avoid these damages it is highly recommended to use rootstocks with hypersensitivity resistance for all scion cultivars with hypersensitivity resistance to PPV.
机译：在自然PPV接种条件下，观察到嫁接到PPV敏感砧木上的两个超敏感李子品种（“ Jojo”，“ Hoh 4517”）的6至10岁树的行为。一些砧木感染了PPV。在“ Jojo”的情况下，未观察到对冠部表型的影响。如果是“ Hoh 4517”，则单枝幼芽显示出坏死。这些病变促进了假单胞菌细菌的继发感染，然后导致整个分支的死亡。为了避免这些损害，强烈建议对所有对PPV过敏的接穗品种使用对过敏性高的砧木。

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