Molecular cytogenetic analysis of Triticum aestivum-Leymus racemosus reciprocal chromosomal translocation T7DS·5LrL/T5LrS·7DL |
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基金项目: | supported by the National High-Tech Research and Deve-lopment Program of China (Grant No. 2006AA10Z1F6);;Programme of Introducing Talents of Discipline to Universities (Grant No. B08025) |
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摘 要: | In order to induce chromosome translocation between wheat chromosomes and chromosome 5Lr of Leymus racemosus, the mi- crosporocytes during meiosis of T. aestivum-L. racemosus disomic addition line DA5Lr were irradiated by 60Co γ-rays 800 R (100 R/min). Before flowering, the treated spikes were emasculated and bagged. After 2-3 d, the emasculated flowerets were pollinated using pollens from T. aestivum cv. Chinese Spring. One plant with two translocation chromosomes involved in both the long and short arm of...
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收稿时间: | 2009-07-02 |
修稿时间: | 2009-11-02 |
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