摘要
[目的]为西洋菜在治理和修复十二烷基苯磺酸钠(SDBS)污染的富营养化地表水体中的应用提供试验依据。[方法]通过测定不同浓度SDBS处理西洋菜的POD、CAT、SOD活性以及可溶性蛋白和叶绿体色素含量研究了SDBS对西洋菜生长的影响。[结果]当SDBS的浓度低于10 mg/L时,西洋菜的可溶性蛋白含量随SDBS浓度的增大而上升;当SDBS的浓度高于10 mg/L时,其可溶性蛋白含量随SDBS浓度的增大而下降;当SDBS的浓度为50 mg/L时,其可溶性蛋白含量低于对照。当SDBS浓度达10 mg/L时,西洋菜的叶绿素a、叶绿素b、总叶绿素和类胡萝卜素含量均达最大值,且其SOD和CAT活性达最大值。当SDBS的浓度为100 mg/L时,西洋菜的SOD活性明显低于对照;当SDBS浓度为50 mg/L时,其CAT活性明显低于对照。当SDBS浓度为5 mg/L时,西洋菜的POD活性达最大值。[结论]西洋菜对SDBS的耐受力较强,故其适用于治理有表面活性剂污染的富营养化水体。
[ Objective ] The purpose of the research was to provide experimental basis for the application of Nasturtium officinale R. Br. in controlling and restoring eutrophic surface water bodies polluted with SDBS. [ Method ] The effect of SDBS on the growth of N. officinale was researched through determining the activities of POD, CAT and SOD and the contents of soluble protein and chloroplast pigments in N. officinale treated by SDBS with different concn. [ Result] When the conch, of SDBS was lower than 10 mg/L, the content of soluble protein in N. officinale was increased as the concn, of SDBS was increased; when the cohen, of SDBSwas higher than 10 mg/L, its content of soluble protein was decreased as the cohen, of SDBS was increased ; when the concn, of SDBS was 50 mg/L, its content of soluble protein was lower than that in CK. When the concn, of SDBS reached 10 mg/L, all the contents of chlorophyll a, chlorophyll b, total chlorophyll and carotenoids in N. officinale reached their maximums and its activities of SOD and CAT reached their maximums. When the cohen, of SDBS was 100 mg/L, the activity of SOD in N. officinale was obviously lower than that in CK; when the concn, of SDBS was 50 mg/L, its activity of CAT was obviously lower than that in CK, When the concn, of SDBS was 5 mg/L, the activity of POD in N. officinale reached its maximum. [ Conclusion] The tolerance of N. officinale to SDBS was relatively strong, so it was suitable for controlling eutrophic water bodies polluted with surfactants.
出处
《安徽农业科学》
CAS
北大核心
2009年第25期11945-11947,共3页
Journal of Anhui Agricultural Sciences
基金
山东省自然科学基金项目(Y2008B67)
关键词
富营养化
SDBS污染
西洋菜
保护酶
水体修复
Eutrophication
SDBS pollution
Nasturtium officinale R. Br.
Protective enzymes
Water body restoration
