浙江农业科学 ›› 2026, Vol. 67 ›› Issue (2): 361-368.DOI: 10.16178/j.issn.0528-9017.20240735

• 经济作物 • 上一篇    下一篇

烤烟品种渠首1号TMV抗性改良株系TMV-3的创制

李雪君1(), 李建华2, 郭敬1, 王亚乐1, 孙计平1, 孙焕1, 平文丽1, 李丽华3()   

  1. 1.河南省农业科学院 烟草研究所,烟草行业黄淮烟区烟草病虫害绿色防控重点实验室,河南 许昌 461000
    2.河南省烟草公司许昌市公司,河南 许昌 461000
    3.河南省烟草公司洛阳市公司,河南 洛阳 471000
  • 收稿日期:2024-09-23 出版日期:2026-02-28 发布日期:2026-03-07
  • 通讯作者: 李丽华,E-mail:lilihua11yan@163.com
  • 作者简介:李雪君,主要从事烟草遗传育种工作。E-mail:lixuejun8373@163.com
  • 基金资助:
    中国烟草总公司河南省公司科技项目(2022410000240014);河南省烟草公司平顶山市公司科技项目(PYKJ202208)

Creation and analysis of TMV⁃resistant flue⁃cured tobacco line TMV⁃3 based on variety Qushou 1

LI Xuejun1(), LI Jianhua2, GUO Jing1, WANG Yale1, SUN Jiping1, SUN Huan1, PING Wenli1, LI Lihua3()   

  1. 1.Tobacco Research Institute of Henan Academy of Agricultural Sciences,Key Laboratory of Green Prevention and Control of Tobacco Diseases and Pests in Huanghuai Tobacco Area of Tobacco Industry,Xuchang 461000,Henan
    2.Henan Xuchang Tobacco Company,Xuchang 461000,Henan
    3.Henan Luoyang Tobacco Company,Luoyang 471000,Henan
  • Received:2024-09-23 Online:2026-02-28 Published:2026-03-07

摘要:

为定向提高烤烟品种渠首1号对烟草花叶病毒(tobacco mosaic virus,TMV)的抗性,以渠首1号为改良材料,以TMV免疫品种Va770为供体亲本,通过杂交、回交,利用分子标记结合表型筛选得到TMV免疫的纯合株系TMV-3。大田鉴定结果表明TMV-3农艺性状与渠首1号基本保持一致;接种鉴定结果表明TMV-3对TMV的抗性表现为免疫,TMV接种后的活性氧积累量少于渠首1号,叶片中的TMV正调控基因NtRAR1、NtNTF4、NtPR1 a、NtHAK1、NtSGT1的相对表达量均高于渠首1号,负调控基因TMV-CP相对表达量低于渠首1号,黑胫病抗性有所下降。本研究表明,渠首1号定向改良品系TMV-3对TMV免疫,其他性状与渠首1号基本保持一致,为渠首1号病毒病抗性的定向改良提供了材料基础。

关键词: 烤烟, 烟草花叶病毒(TMV), 渠首1号, TMV-3株系

Abstract:

In order to targeted improve the resistance of flue-cured tobacco variety Qushou 1 to tobacco mosaic virus (TMV),Qushou 1 was used as the improved material,and the TMV-immune variety Va770 was used as the donor parent. Through hybridization,backcrossing,molecular markers combined with phenotypic screening,TMV-immune homozygous lines TMV-3 were obtained. The agronomic traits of TMV-3 were basically consistent with Qushou 1. Inoculation identification results indicated that the resistance of TMV-3 was immune to TMV. After TMV treatment,compared with Qushou 1,TMV-3 accumulated less reactive oxygen species,and the expression of TMV positive regulatory genes NtRAR1NtNTF4NtPR1 aNtHAK1 and NtSGT1 were higher,negative regulatory gene TMV-CP was lower in leaves. In addition,the resistance of TMV-3 to black shank decreased. This study demonstrated that TMV-3,Qushou 1 directional improved line,was immune to TMV,and other traits were basically consistent with Qushou 1,which provided a material basis for the targeted improvement of virus disease resistance of Qushou 1.

Key words: flue-cured tobacco, tobacco mosaic virus(TMV), Qushou 1, TMV-3 line

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