您好，欢迎访问内蒙古农牧业科学院 机构知识库！
内蒙古农牧业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Response of wheat to post-anthesis water stress, and the nature of gene action as revealed by combining ability analysis

文献类型： 外文期刊

作者： Mia, Md Sultan 1 ; Liu, Hui 1 ; Wang, Xingyi 1 ; Lu, Zhanyuan 4 ; Yan, Guijun 1 ;

作者机构： 1.Univ Western Australia, Fac Sci, Sch Agr & Environm, Perth, WA 6009, Australia

2.Univ Western Australia, Inst Agr, Perth, WA 6009, Australia

3.Bangladesh Agr Res Inst, Plant Breeding Div, Gazipur 1701, Bangladesh

4.Inner Mongolia Acad Agr & Anim Husb, 22 Zhaojun Rd, Yuquan Dist 010031, Huhehot, Peoples R China

关键词： combining ability;diallel cross;gene action;water stress;wheat

期刊名称：CROP & PASTURE SCIENCE （ 影响因子：2.286； 五年影响因子：2.507 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Post-anthesis water stress is a major limitation to wheat grain yield globally. Understanding the nature of gene action of yield related traits under post-anthesis water stress will help to breed stress-resilient genotypes. Four bread wheat genotypes having varying degree of drought tolerance were crossed in a full-diallel fashion and the resultant crosses along with the parental genotypes, were subjected to water stress after the onset of anthesis in order to investigate their comparative performance and nature of gene action. Parental genotypes Babax (B) and Westonia (W) performed better compared with C306 (C) and Dharwar Dry (D) with respect to relative reduction in grain yield and related traits under stressed condition. Direct cross B x D and reciprocal cross W x C were more tolerant to water stress, while cross between C306 and Dharwar Dry, either direct or reciprocal, produced more sensitive genotypes. Combining ability analysis revealed that both additive and non-additive gene action were involved in governing the inheritance of the studied traits, with predominance of non-additive gene action for most of the traits. Among the parents, Babax and Westonia were better combiners for grain yield under stress condition. B x D in stressed condition, and C x W in both stressed and stress-free conditions, were the most suitable specific crosses. Moreover, specificity of parental genotypes as female parents in cross combination was also evident from the significant reciprocal combining ability effects of certain traits. Low to medium narrow sense heritability and high broad sense heritability were observed for most of the studied traits in both well watered and water stress conditions. The results of the study suggested that specific cross combinations with high specific combining ability involving better performing parents with high general combining ability may generate hybrids as well as segregating populations suitable for further breeding programs.

  • 相关文献

[1]Permanent raised beds improved crop performance and water use on the North China Plain. He, J.,Li, H.,Wang, Q.,Li, W.,Zhang, Y.,McHugh, A. D.,Lu, Z..

[2]A fully in vitro protocol towards large scale production of recombinant inbred lines in wheat (Triticum aestivum L.). Yao, Yan,Zhang, Ping,Lu, Zhanyuan,Liu, Hui,Yan, Guijun,Liu, Hui,Yan, Guijun.

作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：内蒙古农牧业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台