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籼稻品种地谷抗稻瘟病基因的遗传分析和定位 被引量:17

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摘要 利用我国稻区的稻瘟病生理小种ZB_(13)和ZB_(15)对地谷与感病品种江南香糯的杂交F_1,F_2和B_1F_1群体进行接种鉴定,确认地谷对ZB_(13)和ZB_(15)的抗性受一对显性基因控制。应用ZB_(13)接种的(地谷×江南香糯)F_2群体构建抗病池和感病池,通过RFLP和微卫星标记对两池DNA多态性的检测,发现两个可能与相应抗病基因紧密连锁的分子标记。进一步用F_2分离群体,将该基因定位于第2染色体,暂定名为Pi-d(t)。
基金 国家自然科学基金(批准号:39800102)
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参考文献14

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二级参考文献2

  • 1Yu Z H,Theor Appl Genet,1991年,81卷,471页
  • 2申宗坦,中国水稻科学,1986年,1卷,1期,1页

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