期刊文献+

高产高收获指数油菜品种的筛选与应用 预览 被引量:2

Screening and Application of Rape Varieties with High Yield and High Harvest Index
在线阅读 下载PDF
收藏 分享 导出
摘要 以产量和收获指数为主要参数对28个双列杂交培育的油菜POL三系杂交组合进行了比较,将试验产量和收获指数进行相关性分析,相关系数仅为0.3654,未达到显著水平,表明油菜的经济产量与收获指数没有显著的正向(或反向)相关关系。筛选了其中8个产量比对照极显著增产的杂交组合(其中,7个收获指数>0.30,1个收获指数<0.27)进行生产试验,在不同栽培方式下,8个组合的收获指数表现稳定,且收获指数高的组合产量表现也明显稳定。进一步筛选出一个高产高收获指数的油菜品种——沣油737,在长江流域示范区适应移栽或直播等不同种植方式,收获指数均在0.33以上,其高产稳产性好表现出良好的生态适应性。研究认为:产量与收获指数结合,有利于选育稳产耐密植的油菜新品种。 In order to meet the demand for modern rape production,this study utilized yield and harvest index to compare28hybrid crosses of Pol CMS three-line system in rape.Correlation coefficients between field yield and harvest index were conducted to screen the crosses for both high yield and high harvest index.The results of correlation coefficient for28crosses was not significant,only0.3654.8crosses with significant improvement of yield than control were further selected for production test,including7crosses with harvest index>0.30and the other<0.27.Under different cultivation methods,the harvest index of the8combinations was stable,and the combination yield of high harvest index was also stable.Therefore,further screening-Fengyou737varieties of a high yield and harvest index of rape,which suitable for different planting methods such as transplanting or direct seeding in the demonstration area of the Yangtze River Basin.The harvest index was above0.33,and the high and stable yield showed good ecological adaptability.The study showed:the yield and harvest index would be useful to breed new variety with stable yield and tolerant for high-density plantation in rape.
出处 《湖南农业科学》 2018年第2期15-17,20共4页 Hunan Agricultural Sciences
基金 中南地区强优势油菜杂交种的创制与应用(2016YDF0101301)
关键词 油菜 杂交 收获指数 产量 品种筛选 rape hybridization harvest index yield variety screening
作者简介 李莓(1964-),女,湖南长沙市人,研究员,主要从事油菜育种研究。
  • 相关文献

参考文献6

二级参考文献26

共引文献34

同被引文献46

引证文献2

二级引证文献2

投稿分析

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部 意见反馈