小麦白粉病抗性QTL分析

被引:15
作者
霍纳新
周荣华
张丽芳
贾继增
机构
[1] 中国农业科学院品种资源研究所农业部作物种质资源与生物技术重点实验室
关键词
小麦; 白粉病; QTL;
D O I
暂无
中图分类号
S512.1 [小麦];
学科分类号
摘要
本研究以国际小麦作图组织提供的(W7984×Opata85)重组近交群体为材料,2001-2002年对其亲本和114个株系进行了人工接种条件下的抗白粉病鉴定,并利用基于混合线性模型的复合区间作图软件QTLMAPER,进行了抗白粉病QTL分析,共检测到3个与小麦白粉病抗性相关的加性QTL,分别位于3B、5D、7D染色体上,可以解释42.8%的表型变异。其中位于7D染色体的QTL贡献最大,可解释抗性变异的29.6%。另有2对互作基因可以解释12.0%的表型变异。
引用
收藏
页码:692 / 696
页数:5
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