水稻抗白叶枯病基因的聚合育种(英文)

被引:16
作者
巴沙拉特 [1 ]
丁效华 [1 ]
曾列先 [2 ]
阿克沙 [1 ]
张泽民 [1 ]
曾瑞珍 [1 ]
张桂权 [1 ]
机构
[1] 华南农业大学广东省植物分子育种重点实验室
[2] 广东省农科院植物保护研究所
关键词
白叶枯病; 基因聚合; 分子标记辅助选择; 水稻;
D O I
暂无
中图分类号
S511 [稻];
学科分类号
摘要
白叶枯病是严重危害水稻生产的重要病害之一,利用聚合多个抗性基因的水稻品种是控制该病害的有效途径。本研究以携带Xa4、xa5、xa13、Xa214个抗白叶枯病基因的IRBB60与8个水稻新品系,组配8个杂交组合.应用分子标记辅助选择技术从F2和F3群体中共获得216个携带4个抗白叶枯病基因的纯合体。用华南地区的5个白叶枯病病原菌小种进行田间接种的试验表明,4个抗性基因聚合系的抗性水平高于只带1个抗性基因的近等基因系。这些聚合系可用作华南地区高抗白叶枯病水稻品种育种的亲本材料。
引用
收藏
页码:493 / 499
页数:7
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