摘要
以3种小白菜为试验材料,探讨了乙二胺四乙酸(EDTA)对镉胁迫下小白菜幼苗保护酶活性的影响。结果表明:外施一定浓度的EDTA后,可以缓解镉胁迫对小白菜造成的伤害;当EDTA浓度为7.5 mmol·L-1时,小白菜SOD、POD酶活性最高,MDA含量最低;当EDTA浓度为5mmol·L-1时,CAT酶活性最高;不同品种抗性表现不同,供试的3种小白菜品种中,抗热605的抗性最强。
Three species of Brassica campestris L. chinesis were used in this study to learn the effects of EDTA on the protective enzymatic activities of seedling under cadmium stress. The results showed that EDTA reduced the hurt from cadmium stress under special concentration. When the EDTA concentration was 7.5 mmol· L-1 , the activities of SOD and POD were at their highest level and the content of MDA was the lowest. When the EDTA concentration was 5 mmol· L-1 , the activity of CAT was the highest. Different species showed different reactions to cadmium stress, among which kangre 605 was the best during three species.
出处
《金陵科技学院学报》
2015年第3期73-77,共5页
Journal of Jinling Institute of Technology
基金
金陵科技学院博士科研启动基金(40610029)
关键词
EDTA
镉胁迫
小白菜
保护酶
EDTA
cadmium stress
Brassica ca mpestris L. chinensis
protective enzymes
作者简介
赵辉（1978-），女，山东泰安人，副教授，博士，主要从事园林植物栽培与应用研究。
