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中国梨属植物染色体数目研究

STUDIES ON CHROMOSOME NUMBER OF SOME WILD SPECIES AND CULTIVARS OF PYRUS IN CHINA

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【作者】 陈瑞阳; 李秀兰; 佟德耀; 刘玉欣; 吴秋琴; 王凤山; 蒲富慎; 黄礼森;

【Author】 Chen Ruiyang Li Xiulan Tong Deyao Liu Yuxin Wu Qiuqin Wang Fengshan (Department of Biology, Nankai University, Tianjin) Pu Fushen Huang Lisen( Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning )

【机构】 南开大学生物系; 中国农科院果树研究所; 中国农科院果树研究所;

【摘要】 作者对我国梨属植物中的6个野生种和5个栽培种的16个品种染色体数目进行了观察,发现杏叶梨和秋子梨中的‘安梨’品种为三倍体(2n=51),其余的种和品种,包括所采用的种间杂交后代的品种,都是二倍体(2n = 34)。

【Abstract】 The present study included six wild species and sixteen cultivars belonging to five species of Pyrus. They are: Wild species- P. ussuriensis Maxim., P. xerophila Yu,P. armeniacaefolia Yu, P. betulaefolia Bge. P. calleryana Dcne., P. pashia Buch-Ham. Cultivars -Ya-li, Qin-bei-li (P. bretschneideri) An-li (P. ussuriensis),Ma-koo-li, Cang-chi-li, Dong-da-li (P. pyrifolia) Langzhou Chang-ba (P. sinkiangensis) Bartlett, Flemish Beauty, Malgerzatka (P. communis) Hybrids - Jin-feng (P. bretschneideri × P. bretschneideri) Zao-su (P. bretschneideri × P. communis) Wu-jiu-xiang (P. bretschneideri × P. communis) Zao-xiang No. 2 (P. ussuriensis × P.pyrifolia) Jin-xiang (P. communis × P. ussuriensis) 52-4-2 (P. ussuriensis × P. communis)It was found that P. armeniacaefolia and’An-li’, a cultivar of P. ussuriensis are triploids, while the others are all diploids.

  • 【文献出处】 园艺学报 ,Acta Horticulturae Sinica , 编辑部邮箱 ,1983年01期
  • 【被引频次】60
  • 【下载频次】273
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