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首页> 外文期刊>果树研究所研究报告 >Screening of graft-compatibility between 'Akatsuki' and several interstocks of related species and interspecific hybrids grafted on peach seedlings.
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Screening of graft-compatibility between 'Akatsuki' and several interstocks of related species and interspecific hybrids grafted on peach seedlings.

机译：'Akatsuki'与几种相关种间互作和桃子上嫁接的种间杂种之间的嫁接亲和性筛选。

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Ten species of the genus Prunus include 33 cultivars and selections. Twenty-eight selections of interspecific hybrids were tested to estimate their graft compatibility to Akatsuki peach used as interstock on peach seedling in nursery. Scion growth (i.e. tree height, rootstock and interstock circumference), cessation period of shoot growth and degree of leaf curl differed by interstocks. The correlation coefficient between tree height and cessation period of shoot growth, degree and period of leaf curl, was high and significant. The degree of swelling at upper graft union showed significant correlation with tree height. These results suggested that leaf curl is the most reliable indicator of graft incompatibility. P. cerasifera, P. armeniaca, Marianna plum (P. cerasifera x P. munsoniana), P. mume were determined as graft-incompatible with Akatsuki scion. In P. tomentosa interstocks, the tree height and degree of leaf curl varied with selections, and three selections showed graft compatibility to Akatsuki. Hybrids between species belonging to the subgenus Amygdalus showed high graft compatibility to Akatsuki, whereas those between species of subgenus Prunophora showed graft incompatibility to Akatsuki. Hybrids between peach and myrobalan plum demonstrated the wide range of graft compatibilities, from high to very low, and of tree height. Thus, these hybrids with high graft compatibility were expected as breeding materials of new peach rootstocks with dwarfness and tolerance of water logging. The interstock method is thought to be useful for the screening of graft compatibility of seedlings at the juvenile stage.
机译：李属的十种包括33个品种和选择。测试了28种选择的种间杂种，以评估它们与作为苗圃桃苗中间种的Akatsuki桃的嫁接亲和力。接穗生长（即树高，砧木和砧木周长），枝条生长的停止期和叶片卷曲程度因砧木而异。树高与枝条停止生长时期，叶片卷曲程度和时期之间的相关系数很高且显着。上部嫁接处的肿胀程度与树高显着相关。这些结果表明，叶片卷曲是移植物不相容性的最可靠指标。确定P. cerasifera，P。armeniaca，Marianna李（P. cerasifera x P. munsoniana），M。mume与明月接穗不移植。在毛白杨间种中，树高和叶片卷曲度随选择而变化，并且三个选择显示出与明月的嫁接相容性。属于扁桃亚属的种之间的杂种表现出与明月的高度移植相容性，而李属亚种的种之间的杂种表现出与明月的移植不相容性。桃子与桃李之间的杂种表现出从高到低以及树高的广泛的移植物相容性。因此，这些具有高嫁接亲和力的杂种有望作为矮化和耐水渍性的新桃砧木的育种材料。人们认为，interstock方法可用于筛选幼年期幼苗的嫁接相容性。

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