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普通小麦中国春和Sava单体的繁育行为

DOI: 10.3321/j.issn:1000-7091.1997.04.003, PP. 13-16

Keywords: 普通小麦,单体,繁育行为

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Abstract:

从1991年至1994年对普通小麦品种中国春和Sava两套单体的繁育行为进行研究。观察表明,在分析的668株中国春单体自交种子中,55.3%为单体,41.0%为二体,3.2%为缺体。检查了630株Sava单体自交种子根尖染色体数目,其中单体、二体和缺体株频率分别为52.7%、42.6%和3.8%.观察到的其他类型非整倍体有三体、四体、单端体和双单体,频率不超过1%.

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