| 小麦品种苏麦3号抗赤霉病基因的染色体定位研究 |
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| 引用本文： | 姚金保,葛永福,王书文,姚国才,周朝飞,钱存鸣.小麦品种苏麦3号抗赤霉病基因的染色体定位研究[J].作物学报,1997,23(4):450-453. |
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| 作者姓名： | 姚金保 葛永福 王书文 姚国才 周朝飞 钱存鸣 |
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| 作者单位： | 江苏省农业科学院粮食作物研究所 江苏南京210014 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 本研究以苏麦3号为染色体供体,一套“中国春”小麦单体系列分别作为受体和轮回母本,连续回交4次,并建立两套独立转育的重复系,对赤霉病抗性进行了染色体定位研究。结果表明,重复系Ⅰ中,苏麦3号染色体2B、3B和6B与赤霉病抗性有关;重复系Ⅱ中,染色体7A、2B、3B和6B与赤霉病抗性有关。由此推断,苏麦3号的抗性基因位于染色体2B、3B和6B上,染色体7A是否具有抗性基因,还有待于进一步证实。2D染色体载有促进赤霉病扩展的感病基因。
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| 关 键 词： | 小麦 赤霉病 染色体代换系 基因定位 |
| 收稿时间： | 1996-02-06 |
| 修稿时间： | 1996-11-08 |
Chromosomal Location of Genes for Scab Resistance in Wheat Cultivar Sumai 3 |
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| Yao Jinbao Ge Yongfu Wang Shuwen Yao Guocai Zhou Caofei Qian CunmingInstitute of Food Crops,Jiangsu Academy of Agricultural Sciences,Nanjing,Jiangsu.Chromosomal Location of Genes for Scab Resistance in Wheat Cultivar Sumai 3[J].Acta Agronomica Sinica,1997,23(4):450-453. |
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| Authors: | Yao Jinbao Ge Yongfu Wang Shuwen Yao Guocai Zhou Caofei Qian CunmingInstitute of Food Crops Jiangsu Academy of Agricultural Sciences Nanjing Jiangsu |
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| Institution: | Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiansu, 210014 |
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| Abstract: | The chromosome substitution lines were developed by crossing monosomices of Chinese Spring (recipient) with wheat cultivar Sumai 3 (donor), followed by four backcrosses to the recipient parent, and were used to identify chromosomes that carried genes for scab resistance in the field at Nanjing during 1993-1994. Duplicate lines for each chromosome were set up to check background homogenity. The results showed that Sumai 3 carried genes for scab resistance on chromosome 2B, 3B and 6B in duplicant line I , and 7A, 2B, 3B and 6B in duplicant line I , while chromosome 2D earring a gene for susceptible scab. Thus it can be seen that chromosome 2B, 3B and 6B of Sumai 3 carried genes for scab resistance. Whether there was a resistance gene on chromosome 7A remains to be further confirmed. |
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| Keywords: | Wheat f Scab Chromosome substitution lines Gene location |
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