杂交稻三系资源及组合抗白叶枯病鉴定  

Identification ot Resistance of Three Line Materials and Rice Hybrids to Leaf Blight

作　　者：李宣铿 黄河清 柏连阳 李爱贞 罗崇善[2] 曹争光 

机构地区：[1]湖南省植保所 [2]湖南杂交水稻研究中心 [3]岳阳市农科所

出　　处：《杂交水稻》1992年第1期35-36,共2页Hybrid Rice

摘　　要：１９８６～１９９０年，采用病区病圃剪叶接种法，对杂交稻三系资源及组合３０９８份进行了鉴定。筛选出一批抗性较好的资源及组合。其抗性强弱依次表现为恢复系＞杂交稻组合＞保持系＞不育系。对杂交稻抗由叶枯病育种的亲本选择提出了看法。In 1986-1990 the leaf inoculation method was used in a diseased area or nursery to identify 3098 three line materials and rice hybrids. and a series of materials and hybrids with stronger resistance to leaf blight were selected,Their resistance w4s in order of restorer line > rice hybrids > maintainer line>sterile line.How to choose parents for leaf blight resistant hybrid rice breeding is also discussed in the paper.

关 键 词：杂交稻 白叶枯病 抗病性 鉴定 

分 类 号：S511.103.5[农业科学—作物学]