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Biological Effects of Autotetraploid Rice after Ion Beam Implantation
Author(s): 
Pages: 24-27
Year: Issue:  4
Journal: JOURNAL OF HENAN AGRICULTURAL SCIENCES

Keyword:  同源四倍体水稻低能氮离子束诱变效应;
Abstract: 选用不同倍性的水稻进行低能氮离子束注入试验,研究离子注入后的效果与染色体组倍性之间的关系,结果表明,同源四倍体水稻比二倍体水稻对低能氮离子束注入处理更敏感;在同源四倍体水稻群体中所出现的变异频率比在二倍体水稻群体中出现的变异频率高;在经过低能氮离子束注入处理的同源四倍体后代群体中,分别筛选到结实率高达90.16 %的单株和具有双胚苗性状的单株,同源四倍体水稻的高结实率特性和双胚苗特性表现出一定的可遗传性.
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