水土环境评价
秀丽隐杆线虫是在土壤中自由生活的生物,成虫大约1毫米,肉眼几乎不可见。它有雌雄同体和雄虫2种性别,雌雄同体可以自体繁育也可以与雄虫交配产生后代。正常条件下,野生型线虫自体繁育后代数达200-300个。
利用不同浓度的污染物处理线虫,统计在特定时间内后代数的多少、虫袋数的比率,评价水质或土壤等污染对生殖的影响,检测农药废水等污染物对秀丽隐杆线虫世代周期及生殖后代数的毒性。
图1. 7.5mg/ml GL降低线虫后代数
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