| 两种观赏吊兰的核型分析 |
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| 引用本文： | 李倩,张桂彬,孙崇苹.两种观赏吊兰的核型分析[J].北方园艺,2009(3). |
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| 作者姓名： | 李倩 张桂彬 孙崇苹 |
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| 作者单位： | 1. 烟台大学,化学生物理工学院,山东,烟台,264005
2. 高密市第二中学生物教研室,山东,高密,261505 |
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| 摘 要： | 应用根尖压片法研究了2种吊兰的染色体数目、核型.结果表明:金边吊兰(C.comosum variegatum Hort)体细胞中期兰的染色体核型:2n=2x=28=8m+10sm(1SAT)+10st,不对称系数AS.K% =69.4%.染色体相对长度组成为2n=2x=28=2L+4M2+6M1+2S,属3A型.金心吊兰(C.comosum Medio-pictum Hort)体细胞中期兰的染色体核型: 2n=2x=28=4 m+18 sm+6 st,不对称系数AS.K%=68.1%.染色体相对长度组成为2n=2x=28=2L+5M2+5M1+2S,属3B型.
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| 关 键 词： | 金边吊兰 金心吊兰 核型分析 |
Studies on Karyotypes of Two Ornamental Chlorophytum comosum |
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| LI Qian,ZHANG Gui-bin,SUN Chong-ping.Studies on Karyotypes of Two Ornamental Chlorophytum comosum[J].Northern Horticulture,2009(3). |
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| Authors: | LI Qian ZHANG Gui-bin SUN Chong-ping |
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| Institution: | 1.Department of Biochemistry;Yantai University;Yantai;Shandong 264005;China;2.Department of Biology;Gaomi No.2 Middle School;Gaomi;Shandong 261505;China |
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| Abstract: | The chromosome numbers and karyotypes of two ornamental Chlorophytum comosum were studied,applying fingertip pressing flake method.The results showed that the karyotypes of metaphase chromosomes in somatic cells were as follows : the number of C.comosum variegatum Hort was n=2x=28=8m+10sm+10st,the AS.K%was 69.4%,the relative length of chromosome was 2n=2x=28=2L+4M2+6M1+2S,the karyotype of C.comosum variegatum Hort chromosome belongs to "3A" type.The number of C.comosum Medio-pictum Hort was 2n=2x=28=4m+18sm... |
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| Keywords: | C comosum variegatum Hort C comosum Medio-pictum Hort Analysis of karyotype |
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