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作物学报

作物学报 ›› 1984, Vol. 10 ›› Issue (04): 245-256.

• 研究论文 • 上一篇    下一篇

杂交水稻对白叶枯病抗性的遗传分析

路文如   

  1. 中国农业科学院作物育种栽培研究所

  • 收稿日期:1984-02-06 修回日期:1984-06-12 出版日期:1984-12-12 网络出版日期:1984-12-12

GENETIC ANALYSIS OF BACTERIAL LEAF BLIGHT RESISTANCE IN HYBRID RICE

Lu Wenru, Shen Jinhua   

  1. Institute of Crop Breeding and Cultivation; Chinese Academy of Agricultural Sciences
  • Received:1984-02-06 Revised:1984-06-12 Published:1984-12-12 Published online:1984-12-12

PDF

915

被引次数

20

摘要： 本文就我国各地推广的8个杂交稻组合,对强、中、弱三种致病力的白叶枯病菌系的抗性,进行遗传动态方面的分析。研究表明,大多数组合的杂交稻(F_1)抗性介于双亲之间,并偏向抗性水平较高的亲本。这些杂交稻的抗性与中亲值有显著相关,可按中亲值预测杂交稻的感病度。通过相对抗病优势的计算得知,杂交稻对白叶枯病的抗性,部分显性

Abstract: Genetic analysis was made on resistance of eight hybrid rice combi-nations to bacterial leaf blight,Xanthomonas oryzae,KS-6-6,KS-8-4and KS-1-2,which were strong,mediate and weak in pathogenicity.Theresults revealed that most of F1's susceptibility laid between its parentsand tended to the parent of

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