摘要
利用大蒜根尖细胞微核技术对三湘江支流5个采样断面的水样进行监测评价.结果表明:①5个断面的水样均使大蒜根尖细胞微核率(MCN‰)明显增加,其中4个断面的水样测得的微核率与蒸馏水对照组相比差异极显著(P<0.01),1个断面的水样测得的微核率与蒸馏水对照组相比差异显著(P<0.05);②根据污染指数(PI)将5个断面的水质污染分为两个水平,即重污染和中污染;③以大蒜根尖细胞微核率为指标,监测三湘江支流水质污染的结果与水质监测结果基本一致;④5个断面的水样测得的微核率与COD_(Cr)、NH_3-N、TP等成正相关(P<0.05).
The water samples of 5 sampling sections of the branch of the Sanxiang River were monitored and evaluated using Allium sativum root tip cell micronucleus. The results showed： （1）The water samples of 5 sampling sections increased obviously the micronucleus rates of A. sativum root tip cell, and the effect of the water of different sampling sections was different. There was a very significant difference between the water samples of 4 sampling sections and the distilled water （ P〈0.01 ） , and there was a significant difference between the water samples of the other sampling section and the distilled water （ P〈0.05 ） . （2）The levels of water pollution of the 5 sampling sections could be divided into heavily contaminated level and moderately contaminated level according to the pollution index. （3）The results about water pollution of Sanxiang River monitored with the index of the micronucleus rates of A. sativum root tip cell were the same as the results obtained with chemical methods. （4）The micronucleus rates of the 5 sampling sections had positive correlations with CODcr、 NH3-N and TP （ P〈0.05 ） .
出处
《漳州师范学院学报（自然科学版）》
2007年第1期80-84,共5页
Journal of ZhangZhou Teachers College（Natural Science)
基金
漳州师范学院课题基金资助项目(SK05007)
关键词
大蒜
微核
水质
生物监测
Allium sativum
micronucleus
water quality
biological monitor
