| γ射线辐照诱发水稻根尖细胞染色体畸变的剂量率效应 |
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| 引用本文： | 王彩莲,赵孔南,慎玫. γ射线辐照诱发水稻根尖细胞染色体畸变的剂量率效应[J]. 核技术, 1986, 0(4) |
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| 作者姓名： | 王彩莲 赵孔南 慎玫 |
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| 作者单位： | 浙江农科院原子能利用研究所(王彩莲，赵孔南)，浙江农科院原子能利用研究所(慎玫) |
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| 摘 要： | 多年来,在放射生物学和辐射育种领域,有关生物体辐照的剂量率效应争论较多。因而,我们在进行~(137)Cs-γ辐射源应用研究时,以~(60)Co-γ射线作比较,设计了本试验。用水稻休眠种子为辐照材料,以γ射线诱发细胞有丝分裂时产生可见的染色体畸变为检测指标,从细胞遗传学角度研究是否存在辐射剂量率效应。结果报道如下。
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| 关 键 词： | γ射线 剂量率效应 根尖细胞 染色体畸变 频率 曲线回归方程 |
Effects of dose-rate on chromosomal aberration of root tip cells induced by gamma-rays in rice |
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| Wang Chailian Zhao Kongnan Shen Mei. Effects of dose-rate on chromosomal aberration of root tip cells induced by gamma-rays in rice[J]. Nuclear Techniques, 1986, 0(4) |
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| Authors: | Wang Chailian Zhao Kongnan Shen Mei |
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| Abstract: | Dose-rate effects of 137Cs and 60Co gamma-rays on chromosomal aberration rate of root tip cells in rice were investigated. Results showed that frequencies of chromosomal aberration in root tip cells of rice varied with dose-rate under the same dose. The differences among them were very significant. The dose-rate effects could be fitted by the curvilinear regression equation. |
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| Keywords: | gamma-rays dose-rate effects root tip cell chromosomal aberration frequency curvilinear regression equation |
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