华北农学报 ›› 2013, Vol. 28 ›› Issue (2): 73-77. doi: 10.3969/j.issn.1000-7091.2013.02.014

所属专题: 甜瓜 生物技术

• 论文 • 上一篇    下一篇

甜瓜抗白粉病基因SRAP分子标记

张学军1,2, 季娟1, 李寐华1,2, 王豪杰1,2, 伊鸿平1,2   

  1. 1. 新疆农业科学院 哈密瓜研究中心, 新疆 乌鲁木齐 830052;
    2. 海南省甜瓜西瓜遗传育种重点实验室, 海南 三亚 572014
  • 收稿日期:2013-01-14 出版日期:2013-04-28
  • 通讯作者: 伊鸿平(1962-),男,福建武夷山人,研究员,硕士,主要从事甜瓜西瓜遗传育种研究。
  • 作者简介:张学军(1980-),男,吉林四平人,助理研究员,硕士,主要从事甜瓜西瓜抗病育种研究。
  • 基金资助:
    国家西甜瓜产业技术体系项目(CARS-26-04);新疆自治区高技术研究与发展项目(201111119)

SRAP Markers Linked to Powdery Mildew Resistancegene in Melon

ZHANG Xue-jun1,2, JI Juan1, LI Mei-hua1,2, WANG Hao-jie1,2, YI Hong-ping1,2   

  1. 1. The Research Center of Hami-melon, Xinjiang Academy of Agricultural Sciences, Urumqi 830052, China;
    2. Key Laboratory of Melon and Watermelongenetic Breeding in Hainan, Sanya 572014, China
  • Received:2013-01-14 Published:2013-04-28

摘要: 以抗病资源收集一号和感病农家品种皇后杂交的F1、BCs、BCr、F2以及双亲为材料,苗期进行白粉病抗性鉴定,分析了白粉病抗源收集一号的抗性遗传规律,并利用集团分离分析法结合SRAP标记进行连锁分析。结果表明,收集一号对白粉病Podosphaera xanthii生理小种1的抗性由显性单基因控制,同时对1 600对SRAP引物进行筛选,引物me4em37扩增出的多态性条带与抗病基因表现连锁关系,该多态性片段大小为100 bp,与抗病基因遗传连锁距离为17.0 cM。

关键词: 甜瓜, 白粉病, 抗病基因, SRAP分子标记

Abstract: Parental lines and(No. 1Shouji×Huanghou)F1,F2and backcross populations were scored for re-sponse to inoculation with Podosphaera xanthiirace 1. The sequence related amplified polymorphism(SRAP)tech-nique and bulk segregant analysis(BSA)were used to identify molecular markers linked to the resistance of melon powdery mildew. The resistance to P. xanthii race 1 in No. 1 Shouji was controlled by one single dominantgene. A total 1 600 pairs SRAP primers could detect the polymorphism between the resistant pool and susceptible pool. An unique 100 bp fragment was amplified with the primer me4em37. It was identified that is linked to resistancegene of No. 1 Shouji at a distance of 17. 0 cM.

Key words: Cucumis melo L., Powdery mildew, Disease resistancegene, SRAP marker

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引用本文

张学军, 季娟, 李寐华, 王豪杰, 伊鸿平. 甜瓜抗白粉病基因SRAP分子标记[J]. 华北农学报, 2013, 28(2): 73-77. doi: 10.3969/j.issn.1000-7091.2013.02.014.

ZHANG Xue-jun, JI Juan, LI Mei-hua, WANG Hao-jie, YI Hong-ping,. SRAP Markers Linked to Powdery Mildew Resistancegene in Melon[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(2): 73-77. doi: 10.3969/j.issn.1000-7091.2013.02.014.

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