首页> 外国专利> Novel Cytoplasmic Male Sterility System for Brassica Species and its Use for Hybrid Seed Production in Indian Oilseed Mustard Brassica Juncea

Novel Cytoplasmic Male Sterility System for Brassica Species and its Use for Hybrid Seed Production in Indian Oilseed Mustard Brassica Juncea

机译：甘蓝型油菜新型细胞质雄性不育系统及其在印度油菜芥菜油菜杂交种生产中的应用

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摘要

The present invention relates to a novel cytoplasmic male sterility (CMS) ‘126-1’ system in different Brassica species and a method for obtaining male sterile lines using the said CMS. The CMS has distinct mitochondrial DNA specific RFLP signature. The invention also relates to a method for obtaining male sterile lines and restoration of fertility in B. juncea for hybrid seed production. This CMS in B. juncea can be restored by crossing male sterile plants with any B. juncea genotype other than the maintainer genotype. The same B. juncea genotype acts as maintainer of male sterility after a specified number of backcrosses. This invention also relates to the histological characterization of anther and microspore development in B. juncea.

机译：本发明涉及在不同的芸苔属物种中的新型细胞质雄性不育（CMS）“ 126-1”系统，以及使用所述CMS获得雄性不育系的方法。 CMS具有独特的线粒体DNA特异性RFLP签名。本发明还涉及一种获得雄性不育系并恢复B中育性的方法。 juncea 用于杂交种子生产。 B中的此CMS。可以通过将雄性不育植物与任何 B杂交来恢复juncea 。 juncea 基因型而非维持基因型。相同的 B。经过一定次数的回交后，juncea 基因型可保持雄性不育。本发明还涉及在IB中花药和小孢子发育的组织学表征。 juncea。 展开▼

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公开/公告号US2008148429A1

专利类型

公开/公告日2008-06-19

原文格式PDF

申请/专利权人 YASHPAL SINGH SODHI;AKSHAY KUMAR PRADHAN;VIBHA GUPTHA;NEELAKANTAN ARUMUGAM;JAGDISH KUMAR VERMA;ARUNDHANI MUKHOPADHYAY;DEEPAK PENTAL;
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申请/专利号US20050660510

发明设计人 VIBHA GUPTHA;YASHPAL SINGH SODHI;NEELAKANTAN ARUMUGAM;AKSHAY KUMAR PRADHAN;ARUNDHANI MUKHOPADHYAY;DEEPAK PENTAL;JAGDISH KUMAR VERMA;
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申请日2005-08-22

分类号A01H1/02;C12N15/11;C12N5/04;A01H5/00;

国家 US

入库时间 2022-08-21 20:15:24

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