|本期目录/Table of Contents|

[1]田志强,李志敏,贾琳,等.玉米大斑病抗病QTL的鉴定与效应分析[J].江苏农业科学,2021,49(20):70-73.
 Tian Zhiqiang,et al.Identification and effect analysis of QTLs for resistance to corn leaf spot disease[J].Jiangsu Agricultural Sciences,2021,49(20):70-73.
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玉米大斑病抗病QTL的鉴定与效应分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第20期
页码:
70-73
栏目:
生物技术
出版日期:
2021-11-01

文章信息/Info

Title:
Identification and effect analysis of QTLs for resistance to corn leaf spot disease
作者:
田志强1李志敏1贾琳1李雪迎1赵萧笛1杜文杰1李政1白磊2
1.河南农业大学农学院,河南郑州 450046; 2.河南省唐河县种子公司,河南唐河 473400
Author(s):
Tian Zhiqianget al
关键词:
玉米大斑病QTLSNP
Keywords:
-
分类号:
S435.13
DOI:
-
文献标志码:
A
摘要:
玉米大斑病是一种重要的真菌性病害,开展玉米大斑病的抗性遗传研究,对玉米抗病育种有重要的意义。以热带种质的抗病自交系CIMBL29为供体亲本,感病自交系GEMS41为轮回亲本,构建了含有179个家系的BC2F4群体。对该群体和亲本进行了2个环境的抗性表型鉴定,并结合高密度的分子标记遗传连锁图谱,对玉米大斑病抗性进行了QTL分析。结果表明,玉米大斑病抗性在群体家系间表现出广泛的变异;在2个环境条件下共鉴定了9个大斑病抗病QTL,分别位于第1、第2、第4、第5、第7、第9染色体上,可以解释5.2%~16.2%的抗性遗传变异。其中位于第1和第5染色体上的位点(qNLB1-1qNLB5)在2个环境条件下均可以被检测到,可以认为是稳定的抗病位点。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-07-22
基金项目:河南省教育厅高等学校重点项目(编号:20A210005、20A210019)。
作者简介:田志强(1976—),男,河南安阳人,博士,助理研究员,主要从事玉米抗病机制研究。E-mail:tt973@126.com。
通信作者:李志敏,博士,高级实验师,主要从事玉米抗病育种研究。E-mail:lzmzdb@126.com。
更新日期/Last Update: 2021-10-20