合肥市区大气质量的植物监测与评价.pdfVIP

中国虐学逼攉 第24卷 第6期 2008年 6月 http：llwww．casb．org．Gn ·413· 合肥市区大气质量的植物监测与评价 丁 洲 ，杨 莉 ，刘学诗 ，叶爱华 (-安徽农业大学生命科学学院，合肥230036；z中国农学会，北京100125) 摘 要：植物具有对大气污染反映灵敏的特点，当植物吸收污染物并积累到一定程度时，植物即发生中 毒。引起外部形态和生理活动异常。广泛存在于植物体内的过氧化氢酶是一种很重要的酶，-3植物受到 大气污染时。其体内过氧化氢酶活性明显降低。在合肥市选定四个样点，分别采集四个采样点的女贞叶 片。通过测定植物叶片中过氧化氢酶活性，可初步反映合肥市的大气污染现状，对合肥市的大气质量进 行监测与评价。并提出利用植物监测大气环境中污染的几点建议。 关键词：植物监测；大气污染；过氧化氢酶 中图分类号：Q[891 文献标识码：A Plant Monitoring and Appraisal of Atmosphere Quality in Hefei City Ding Zhou ，Yang Li ，Liu Xueshi1,Ye Aihua (1lnsititute of Biology Science，A nhui agricultural un e ，Hefei 230036； 。China Associations of agricultural Science Societies，Beijing 100125) Abstract：Plants have relatively high sensitiveness to air pollution．When plants assimilate pollutant to the extent that they are poisoned，their appearance and physiological activity will be influenced．Hydrogen per— oxidase which distributes in plant widely is an important enzyme．Activity of hydrogen peroxidase would de— crease obviously when plants were polluted．Four sampling points were selected in Hefei city．and leaves were gathered from Ligustrum lucidum Ait．respectively．Atmosphere pollutional current situation could be reflected basically by analyzing activity of Hydrogen peroxidase in leaves．It could help US monitor and ap- praise atmosphere quality in Hefei city．And we put forward some advice about utilizing plant to monitor at- mosphere pollution． Key words：plant monitoring，air pollution，hydrogen peroxidase 合肥市是安徽省的省会城市，是全省的经济、文 污染监测是一项复杂而艰难的工作，如何准确而真实 化、交通中心，也是全国的园林城市之一，空气质量较