| 鲁棉研15号及其父母本核型对比分析 |
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| 引用本文： | 张彬彬.鲁棉研15号及其父母本核型对比分析[J].河南农业科学,2007(9):37-41. |
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| 作者姓名： | 张彬彬 |
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| 作者单位： | 滨州学院,生命科学系,山东,滨州,256603 |
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| 摘 要： | 采用常规压片法对鲁棉研15号及其父本——转基因抗虫棉选系613、母本——常规陆地棉选系R55染色体数目和核型进行了研究。结果表明:鲁棉研15号及其父母本的染色体数目均为2n=26。鲁棉研15号的核型公式为:k(2n)=26=10m+12sm+4st,属于"2B"类型,染色体相对长度组成为2n=26=8M1+10M2+4L+4S。其父本的核型公式为:k(2n)=26=6m+2sm(SAT)+16sm+2st,属于"3B"类型,染色体相对长度组成为2n=26=8M1+8M2+4L+6S。其母本的核型公式为:k(2n)=26=20m+6sm,属于"2A"类型,染色体相对长度组成为2n=26=6M1+18M2+2S。通过比较发现,鲁棉研15号倾向于父本,三者中属母本最原始。
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| 关 键 词： | 棉花 鲁棉研15号 染色体数 核型分析 |
| 文章编号： | 1004-3268（2007）09-0037-05 |
| 修稿时间： | 2007-04-06 |
The Karyotype Analysis of Worm-resistant Hybrid Cotton Lumianyan 15 and Its Parents |
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| ZHANG Bin-bin.The Karyotype Analysis of Worm-resistant Hybrid Cotton Lumianyan 15 and Its Parents[J].Journal of Henan Agricultural Sciences,2007(9):37-41. |
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| Authors: | ZHANG Bin-bin |
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| Institution: | Life Science Department of Binzhou College, Binzhou 256603,China |
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| Abstract: | The chromosome number and karyotype of worm-resistant hybrid cotton Lumianyan 15 and its two parents were investigated using conventional compression method.The result showed that the chromosome number of worm-resistant hybrid cotton Lumianyan 15 and its parents was all 2n=26.The karyotype formula of wormresistant hybrid cotton Lumianyan 15 is k(2n)=26=10m 12sm 4st,belonging to the type of "2B",and the relative length of chromosome is 2n=26=8M_1 10M_2 4L 4S.The Karyotype formula of its male parent is k(2n)=26=6m 2sm(SAT) 16sm 2st,belonging to the type of "3B",and the relative length of chromosome is 2n=26=8M_1 8M_2 4L 6S.The Karyotype formula its female parent is k(2n)=26=20m 6sm,belonging to the type of "2A",and the relative length of chromosome is 2n=26=6M_1 18M_2 2S.Through comparison,it was found that the worm-resistant hybrid cotton Lumianyan 15 is more like its father,and the mother is the most primitive. |
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| Keywords: | Cotton Lumianyan 15 Chromosome number Karyotype analysis |
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