重离子束（C）辐照诱变东北粳稻后代变异的初步研究

doi:10.3969/j.issn.1006-8082.2019.01.014

中国稻米

重离子束（C）辐照诱变东北粳稻后代变异的初步研究

1中国科学院东北地理与农业生态研究所，长春 130012；2中国科学院近代物理研究所，兰州 730000

出版日期:2019-01-20 发布日期:2019-01-20
通讯作者: 杨福
基金资助:
水稻核辐射诱变育种技术创新与品种创制（2016YF0102103）；吉林省与中国科学院科技合作高新技术产业化资金（2018SYHZ0032）

Preliminary Investigation of Offspring Variation of the Japonica Rice in Northeast China under Heavy Ion Beam Radiation

Online:2019-01-20 Published:2019-01-20

摘要/Abstract

摘要：

利用高能重离子束（C）辐照诱变东北粳稻通禾899，剂量为0（CK）、200Gy，初步研究了重离子束（C）辐照诱变后代材料出现的突变情况。结果表明，辐照M1代全部为半不育，结实率5.2%；M2代突变率5.7%，高于传统的γ、X射线辐照诱变的突变率，而且突变体的类型丰富；经过M3~M5代的连续种植和选择，后代突变体群体越来越大，大部分突变材料均已稳定，少量后代材料综合性状优良，生育期比对照通禾899明显提前，已参加吉林省水稻新品种联合区域试验。但有近30%的材料在M5代还存在分离或疯狂分离，分离的材料绝大部分表现为长粒型，千粒重偏低，外观品质好。

关键词: 重离子, 东北粳稻, 通禾899, 突变率, 诱变

Abstract:

A preliminary study on mutations of Tonghe 899, a japonica rice variety in Northeast China, was conducted after the heavy ion beam C irradiation on rice seeds with the dosages of Gy at 0, 200. The results showed that the generations of M1 were all half sterile with seed setting rate of 5.2%. The mutant types were found various and mutant rate of M2 maintained 5.7%, which was higher than the traditionally mutant rate in radiation with γ and X ray. Moreover, the mutant population showed more abundant after planting from M3 to M5. Characters of most mutants maintained stable. Some mutants were found excellent with more early growth period than Tonghe 899（CK） and have been conduct with the joint area test of new rice varieties in Jilin province. However, there are also 30% mutants showed apparent separates with the characters of long-grain, low 1000-grain weight and high appearance quality.

Key words: heavy ion, Northeast japonica rice, Tonghe 899, mutation rate, mutation

中图分类号:

S511.352

李景鹏1,余丽霞2,杨福1*. 重离子束（C）辐照诱变东北粳稻后代变异的初步研究[J]. 中国稻米, DOI: 10.3969/j.issn.1006-8082.2019.01.014 .

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重离子束（C）辐照诱变东北粳稻后代变异的初步研究

Preliminary Investigation of Offspring Variation of the Japonica Rice in Northeast China under Heavy Ion Beam Radiation

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