四种蝇子草属植物对Zn、Cu、Pb、Cd的耐性与积累特性研究

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• 英文论文题名：Studies on the Tolerance and Accumulation Characteristics of Four Species in Genus Silene to Zn,Cu,Pb,Cd
• 论文作者：吴彬艳 ; 吴露露 ; 邵冰洁 ; 赵惠恩 ; 万小铭
• 英文论文作者：WU Bin-yan ; WU Lu-lu ; SHAO Bing-jie ; ZHAO Hui-en ; WAN Xiao-ming ; Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding ; National Engineering Research Center for Floriculture ; Beijing Laboratory of Urban and Rural Ecological Environment and College of Landscape Architecture ; Beijing Forestry University ; Institute of Geographic Sciences and Natural Resources Research ; CAS
• 年：2016
• 作者机构：花卉种质创新与分子育种北京市重点实验室国家花卉工程技术研究中心城乡生态环境北京实验室园林学院北京林业大学;中国科学院地理科学与资源研究所;
• 论文关键词：蝇子草属 ; 锌 ; 铜 ; 铅 ; 镉 ; 复合污染
• 英文论文关键词：Silene genus ; Zn ; Cu ; Pb ; Cd ; Combined pollution
• 会议召开时间：2016-07-19
• 会议录名称：中国观赏园艺研究进展2016
• 语种：中文
• 分类号：Q948.116
• 学会代码：EGYP
• 会议名称：2016年中国观赏园艺学术研讨会
• 会议地点：中国湖南长沙
• 主办单位：中国园艺学会观赏园艺专业委员会、国家花卉工程技术研究中心
• 学会名称：中国园艺学会
• 页数：8
• 文件大小：1050k
• 原文格式：O
• 会议级别：全国

摘要

植物吸收重金属是生态修复领域研究的重要方向之一,超富集植物的筛选和杂种优势的利用是未来发展一大趋势。通过对4种蝇子草属植物,海蝇子草(Silene uniflora)、叉枝蝇子草(Silene latifolia)、细叶麦瓶草(Silene coeli-rosa)、东麦瓶草(Silene orientalis)开展的土壤盆栽实验,研究4种蝇子草属植物在Zn、Cu、Pb、Cd单一及复合污染状况下的耐性和重金属积累特性。海蝇子草、叉枝蝇子草和东麦瓶草表现出了较强的耐性。植株地上部分对重金属最大吸收均出现在单一污染条件下,东麦瓶草地上部分积累Zn、Cu最多,其值分别为250.70、390.71mg·kg~(-1);海蝇子草积累Pb最多,为30.63mg·kg~(-1);叉枝蝇子草积累Cd最多,为1.74mg·kg~(-1)。复合污染条件下,叉枝蝇子草地上部积累Zn、Cu、Pb最多,分别为145.23、25.74、17.56mg·kg~(-1);海蝇子草积累Cd最多,为1.13mg·kg~(-1)。
Phytoextraction is one of the important directions of ecological restoration research.Screening hyperaccumulator and utilization of heterosis are major trends in the future.This paper studied heavy metal tolerance and accumulation characteristics of 4 species in genus silene through a pot experiment.Silene uniflora,Silene latifolia,Silene latifolia have showed strong tolerance to heavy metal.Single and combined pollution of Zn,Cu,Pb,Cd were monitored by artificial addition of metals.The four species are Silene uniflora,Silene latifolia,Silene coeli-rosa,Silene orientalis.The results showed that maximum heavy metal absorption in shoot were all in single pollution treatments.The highest Zn and Cu shoot content appeared in Silene orientalis,being 250.70 mg · kg~(-1) and 390.71 mg · kg~(-1) respectively.Silene uniflora and Silene latifolia had the largest Pb and Cd shoot content,being 30.63 mg · kg ~(-1) and 1.74 mg · kg ~(-1) respectively.Under the combined pollution,the heavy metals concentrations in plants are lower.Silene latifolia contented 145.23 mg · kg~(-1) Zn,25.74 mg ·kg~(-1) Pb and 17.56 mg · kg~(-1) Cd in shoot,which are the largest among the four species.Silene uniflora have the largest Cd shoot content and the value is 1.13mg· kg~(-1).

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