小麦粒叶比的研究A Study on the Grain-leaf Ratio of Wheat
阎新甫,赵献林,任明全
摘要(Abstract)：
粒叶比是衡量单位叶面积光合生产力的综合性状。5年的试验结果分析表明,小麦粒叶比与单株产量和群体产量有一定的正相关,在品种之间存在遗传差异,但基因型—环境互作效应不明显,具有相对的稳定性。双列杂交F_1和F_2代的遗传分析表明,粒叶比符合简单的加显—显性模型,且为部分显性,其高值与隐性基因相联系,遗传方差中加性分量占主要优势,广义遗传力(>90％)和狭义遗传力(>80％)均较高,因此,在早代选择应是有效的。最后对粒叶比在小麦育种中的应用作了讨论。
关键词(KeyWords)： 小麦;粒叶比;双列杂交;遗传分析
基金项目(Foundation):
作者(Author): 阎新甫,赵献林,任明全
DOI: 10.16445/j.cnki.1000-2340.1989.02.002
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