| 电子流诱发蚕豆和大麦根尖细胞染色体畸变效应的研究 |
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| 引用本文： | 叶阿宝,郑世传.电子流诱发蚕豆和大麦根尖细胞染色体畸变效应的研究[J].核农学报,1991,5(1):51-54. |
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| 作者姓名： | 叶阿宝 郑世传 |
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| 作者单位： | 舟山市农科所,余姚市车厩中学 舟山 316041
,余姚 315040 |
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| 摘 要： | 采用ZR81-7型电子流育种仪,产生高压(10kV)微电流(0.8mA)直流脉冲处理植物种胚。结果表明:电子流与γ射线、X射线一样,能诱发细胞染色体畸变,出现染色体桥,染色体断片,染色体粘连,环状染色体,以及微核等。根据染色体畸变率,电子流9—10秒处理,相当于~(137)Csγ射线23.2kR的处理效果;电子流12—15秒处理,相当于~(137)Csγ射线32.6kR的处理效果。
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| 关 键 词： | 电子流 蚕豆 大麦 微核 染色体畸变 |
| 收稿时间： | 2009-12-31 |
| 修稿时间： | 2009-12-31 |
CHROMOSOME ABERRATION IN ROOT TIP CELLS OF BROAD BEAN AND BARLEY INDUCED BY ELECTRON STREAM |
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| Abstract: | The cell chromosome aberrations were found in the seeds of broad bean and barley which were treated by electron stream.The aberrations included chromosome bridge,chromosome fragment,chromosomal adherence,ring chromosome,micronuclei etc.There was a positive linear correlation between the micronuclei rate in root tip cells and the aberration rate.The electron stream of 9-10 sencoads had the effect comparable to 23.2 krad of 137Csγray and 12-15 second treatment compa rable to 32.6 krad of 137Csγray on the basis of the chromosome aberration rate. |
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| Keywords: | electron stream micronuclei chomosome aberration |
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