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Position: Home > Articles > Comparison of phytotoxicity of copper and nickel in soils with different Chinese plant species Journal of Integrative Agriculture 2015,14 (6)

Comparison of phytotoxicity of copper and nickel in soils with different Chinese plant species

作者：

Li Bo;Liu Ji-fang;Yang Jun-xing;Ma Yi-bing;Chen Shi-bao

单位：

Liaoning Acad Agr Sci, Inst Plant Nutr & Environm Resources, Shenyang 110161, Peoples R China;Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China;Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Natl Soil Fertil & Fertilizer Effects Long Term M, Beijing 100081, Peoples R China

关键词：

copper;nickel;plant species;sensitivity;risk assessment

摘要：

Ecological risk assessment of metals in soils is important to develop the critical loads of metals in soils. Phytotoxicity is one of the endpoints for ecological risk assessment of soils contaminated with metals. The sensitivity of eight Chinese plant species (bok choy, mustard, tomato, green chilli, paddy rice, barley, spinach and celery) to copper (Cu) and nickel (Ni) toxicity in two Chinese soils was investigated to assess their potential use for ecological risk assessment in the region. The results showed that bok choy and mustard were the two most sensitive species to Cu and Ni toxicities. Assessment of metal accumulation by the plants demonstrated that bok choy shoot had the highest bioconcentration factor (BCF, the ratio of metal concentration in plant shoots to metal concentration in soil). Given the importance of bok choy to agricultural production in Asia, it is therefore important that these sensitive plant species are included in species sensitivity distributions for ecological risk assessment of Cu and Ni in soils.

作者：

LI Bo;LIU Ji-fang;YANG Jun-xing;MA Yi-bing;CHEN Shi-bao;Institute of Plant Nutrition and Environmental Resources, Liaoning Academy of Agricultural Sciences;National Soil Fertility and Fertilizer Effects Long-term Monitoring Network, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences;Centre for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences;

关键词：

copper,nickel,plant species,sensitivity,risk assessment

摘要：

Ecological risk assessment of metals in soils is important to develop the critical loads of metals in soils. Phytotoxicity is one of the endpoints for ecological risk assessment of soils contaminated with metals. The sensitivity of eight Chinese plant species(bok choy, mustard, tomato, green chilli, paddy rice, barley, spinach and celery) to copper(Cu) and nickel(Ni) toxicity in two Chinese soils was investigated to assess their potential use for ecological risk assessment in the region. The results showed that bok choy and mustard were the two most sensitive species to Cu and Ni toxicities. Assessment of metal accumulation by the plants demonstrated that bok choy shoot had the highest bioconcentration factor(BCF, the ratio of metal concentration in plant shoots to metal concentration in soil). Given the importance of bok choy to agricultural production in Asia, it is therefore important that these sensitive plant species are included in species sensitivity distributions for ecological risk assessment of Cu and Ni in soils.

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Comparison of phytotoxicity of copper and nickel in soils with different Chinese plant species

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