LIU Ping,WANG Tian-le,DING Yi-feng,et al.Study on Ionic Liquid [C6mim]Br Toxicity with Radish Seedlings and the Mitigation of SA[J].Northern Horticulture,2015,39(05):5-8.[doi:10.11937/bfyy.201505002]
离子液体1-己基-3-甲基咪唑溴化盐对萝卜幼苗的毒性以及水杨酸对其缓解效应研究
- Title:
- Study on Ionic Liquid [C6mim]Br Toxicity with Radish Seedlings and the Mitigation of SA
- Keywords:
- radish; ionic liquid; SA; toxicity; mitigation
- 文献标志码:
- A
- 摘要:
- 以萝卜“新科原种791”品种为试验材料，研究了不同浓度（0、50、100、150、200 mg/L）的离子液体1-己基-3-甲基咪唑溴化盐（［C6mim］Br）对萝卜种子萌发和幼苗生长的影响，以及在不同浓度的离子液体溶液中均加入相同浓度（30 mg/L）的水杨酸（SA）对离子液体的影响进行缓解效应研究。结果表明：各浓度的离子液体处理均使萝卜种子发芽率以及幼苗的干鲜重比值降低，叶片超氧化物歧化酶（SOD）、过氧化物酶（POD）活性和叶绿素含量下降，膜脂过氧化作用产物丙二醛（MDA）的含量升高。SA能在一定程度上缓解 ［C6mim］Br对萝卜种子萌发与幼苗生长的毒害。
- Abstract:
- Using radish“Xinke Yuanzhong 791”as material，the influence of different concentrations（0，50，100，150，200 mg/L）of the ionic liquid[C6mim]Br on radish seed germination and seedling growth were studied.The same concentration (30 mg/L) of salicylic acid(SA) in each ionic liquid was added，in order to alleviate the toxicity of [C6mim]Br.The results showed that all the concentrations of ionic liquids lowered the radish seed germination rate，and dropped the seedling leaf superoxide dismutase（SOD）activity，peroxidase(POD) activity，chlorophyll content，but rised membrane lipid peroxidation product malondialdehyde（MDA）content.However，SA to a certain extent，could alleviate [C6mim]Br toxicity of radish seed germination and seedling growth.
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备注/Memo
第一作者简介：刘萍（1958-），女，河南潢川人，教授，现主要从事植物生理学等教学与科研工作。E-mail：Liuping5812@sina.com.基金项目：河南省重点科技攻关计划资助项目（122102310356）。