[1]张亮,李玲玲,孟媛,等.镉砷复合污染下叶菜的重金属富集和转运[J].北方园艺,2023,(07):1-8.[doi:10.11937/bfyy.20222931]
　ZHANG Liang,LI Lingling,MENG Yuan,et al.Accumulation and Transport of Heavy Metals in Leafy Vegetables Under Combined Pollution of Cadmium and Arsenic[J].Northern Horticulture,2023,(07):1-8.[doi:10.11937/bfyy.20222931]

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镉砷复合污染下叶菜的重金属富集和转运

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2023年07 页码: 1-8 栏目: 出版日期: 2023-04-15

Title:: Accumulation and Transport of Heavy Metals in Leafy Vegetables Under Combined Pollution of Cadmium and Arsenic

作者:: 张亮1; 2; 3; 李玲玲1; 孟媛1; 2; 3; 田喆1; 唐文静1; （1.陇东学院农林科技学院，甘肃庆阳 745000；2.陇东学院环境工程技术研究中心，甘肃庆阳 745000；3.甘肃省陇东生物资源保护利用与生态修复重点实验室，甘肃庆阳 745000）

Author(s):: ZHANG Liang1; 2; 3; LI Lingling1; MENG Yuan1; 2; 3; TIAN Zhe1; TANG Wenjing1; (1.College of Agriculture and Forestry Science and Technology,Longdong University,Qingyang,Gansu 745000；2.Environmental Engineering Technology Research Center,Longdong University,Qingyang,Gansu 745000；3.Key Laboratory of Longdong Biological Resources Protection,Utilization and Ecological Restoration,Qingyang,Gansu 745000)

关键词:: 叶菜; 重金属; 耐受指数; 复合污染; 转运系数

Keywords:: leafy vegetables; heavy metals; tolerance index; compound pollution; transport coefficient

DOI:: 10.11937/bfyy.20222931

文献标志码:: A

摘要:: 以乌塌菜(“金牡丹”）、小青菜(“上海青”）、小白菜(“四季奶油小白菜”）3种叶类蔬菜为试材，采用水培试验法，研究了单Cd、单As、Cd-As复合污染水平对叶菜鲜质量、干质量耐受指数（TI,%）、重金属浓度和重金属转运系数（TF）的影响,以期为重金属复合污染土壤的安全种植叶菜提供参考依据。结果表明：单Cd污染、单As污染、Cd-As复合污染对供试叶菜的生长均有显著的抑制作用；小青菜和乌塌菜为Cd和As耐受型叶菜，小白菜为Cd和As敏感型叶菜；乌塌菜和小青菜可食部位Cd显著性低于其它叶菜，3种叶菜地上部As浓度无显著性差异；复合污染降低了乌塌菜地上部Cd浓度和根部的As浓度，但提高了小青菜和小白菜地上部Cd浓度；复合污染并没有影响供试叶菜的TF-Cd，但能显著性提升叶菜的TF-As。

Abstract:: Taking wutacai (‘Jinmudan’),Brassica oleracea (‘Shanghaiqing’) and pakchoi (‘Four Season Cream Pakchoi’) as test materials,the effects of different single Cd,single As,and Cd-As combined pollution levels on the fresh quality,dry mass tolerance index (TI,%),heavy metal concentration,and heavy metal transport coefficient (TF) of leafy vegetables were studied through a hydroponic experiment,in order to provide reference for the safe planting of leafy vegetables in the soil polluted by heavy metals.The results showed that single Cd pollution,single As pollution and Cd-As compound pollution had significant inhibitory effects on the growth of tested leafy vegetables.The tested Brassica oleracea and wutacai were Cd and As tolerant,and pakchoi was Cd and As sensitive leafy vegetable.The Cd concentration in shoot (edible part) of wutaicai was significantly lower than Brassica oleracea and pakchoi,and there was no significant difference in As concentration among the three leafy vegetables.Combined pollution decreased the shoot Cd and root As concentration of wutaicai,but increased the shoot Cd concentration in Brassica oleracea and pakchoi.And compound pollution did not affect TF-Cd,but significantly increased TF-As of leafy vegetables.

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备注/Memo

第一作者简介：张亮（1989-），男，博士,副教授,现主要从事土壤重金属污染修复与防治等研究工作。E-mail：txzzl891017@163.com.基金项目：国家自然科学基金青年资助项目（32001200）；甘肃省青年科技基金计划资助项目（20JR10RA136，22JR11RM171）；陇东学院博士基金资助项目。收稿日期：2022-07-17

更新日期/Last Update: 2023-04-23