Cadmium phytoremediation potential of turnip compared with three common high Cd-accumulating plants
Li, Xiong1,2; Zhang, Xiaoming1,2,3; Li, Boqun1,2; Wu, Yuansheng4; Sun, Hang1; Yang, Yongping1,2
2017-09-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume24Issue:27Pages:21660-21670
Abstract

Phytoextraction is a phytoremediation technique used for remediating polluted soils and it greatly relies on the plants' capacities to accumulate contaminants. Turnip is a high cadmium (Cd)-accumulating plant. We compared the Cd tolerance, growth, and Cd accumulation characteristics of two turnip landraces with three additional commonly known high Cd-accumulating species to systematically estimate its Cd phytoremediation potential. Results showed that the turnips could tolerate relatively lower Cd concentrations than other plants. Growth characteristics analyses indicated that the turnips initially grew rapidly and then gradually slowed down, and their photosynthetic parameters indicated that biomass accumulation was easily affected by light. However, the Cd uptake and translocation capacities of the two turnip landraces were higher than those of Phytolacca americana Linn. and Bidens pilosa Linn. but close to that of Brassica napus Linn.. Ultimately, large amounts of Cd accumulated in turnips during early growth and slightly increased as the fleshy roots increased in size. Based on these findings, the present turnip landraces have potential for soil remediation, but additional research is needed before these landraces can be practically used. Moreover, turnips are good candidates for studying the molecular mechanism of high Cd accumulation in plants.

KeywordCadmium Soil Pollution Turnip Hyperaccumulator Phytoremediation
Subject AreaEnvironmental Sciences
DOI10.1007/s11356-017-9781-z
Indexed BySCI
Language英语
WOS IDWOS:000409962200011
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/54895
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Yunnan Agr Univ, Coll Plant Protect, Kunming 650201, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiong,Zhang, Xiaoming,Li, Boqun,et al. Cadmium phytoremediation potential of turnip compared with three common high Cd-accumulating plants[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(27):21660-21670.
APA Li, Xiong,Zhang, Xiaoming,Li, Boqun,Wu, Yuansheng,Sun, Hang,&Yang, Yongping.(2017).Cadmium phytoremediation potential of turnip compared with three common high Cd-accumulating plants.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(27),21660-21670.
MLA Li, Xiong,et al."Cadmium phytoremediation potential of turnip compared with three common high Cd-accumulating plants".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.27(2017):21660-21670.
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