Characteristics of Phytolacca acinosa accumulating Cd

NIE Fa-hui; WU Cai-bin; WU Shuang-tao

Volume 23 Issue 4

Feb. 2017

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NIE Fa-hui, WU Cai-bin, WU Shuang-tao. Characteristics of Phytolacca acinosa accumulating Cd[J]. Journal of Zhejiang A&F University, 2006, 23(4): 400-405.

Citation:

NIE Fa-hui, WU Cai-bin, WU Shuang-tao. Characteristics of Phytolacca acinosa accumulating Cd[J]. Journal of Zhejiang A&F University, 2006, 23(4): 400-405.

Characteristics of Phytolacca acinosa accumulating Cd

1.
.School of Environmental Science and Engineering , Tongji University , Shanghai 200092 , China;
2.
.School of Civil Engineering and Architecture , East China Jiaotong University , Nanchang 330013, Jiangxi , China;
3.
Research Institute of Environmental Chemistry and Technology , Hanshan Normal College , Chaozhou 521041 , Guangdong , China

Funds:

湖南省自然科学基金资助项目(02JJY4058);华东交通大学科研基金资助项目(304109)

Received Date: 2005-10-21
Rev Recd Date: 2006-03-06
Publish Date: 2006-08-20

Abstract

Identification of new hyperaccumulators is of great importance to successful phytoremediation of the environment contaminated with heavy metal .A series of field investigations was conducted in the vicinity of Zhuzhou Pb-Zn Smelting Factory to search for new Cd hyperaccumulators .The results showed that Phytolacca acinosa could highly accumulate Cd .With the maximum Cd mass fraction in the leaf and stem reaching 63.8 mg kg-1 , the plant grew well in the vicinity of Smelting Factory with Cd mass fraction being as high as 106.0 mg kg-1 .An outdoor pot-culture experiment was conducted to further study metal tolerance and accumulation by Phytolacca acinosa and its potential for phytoremediation .As a result , this species had not only remarkable tolerance to Cd , but also an extraordinary capacity for this element , P .acinosa could grow quite well with Cd supplied at a level of 5 mgkg-1 and its biomass was more than that of plant in control with Cd supplied .With the Cd concentration in the media increasing , the Cd concentration in its overground parts and in the roots increased , but the bioaccumulation coefficient gradually decreased , although its biomass was less than that of plant in control with Cd supplied .As the Cd mass fraction in the soil reached 200 mg kg-1 , P .acinosa still grew well. Furthermore , P .acinosa was judged whether it was hyperaccumulator with coefficient absorption capacity .It further proved that P .acinosa had the great capacity of transporting Cd from the roots to the aerial parts .[ Ch , 3 fig .5 tab .12 ref .]
- botany,
- Phytolacca acinosa,
- phytoremediation,
- Cd,
- hyperaccumulator

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Characteristics of Phytolacca acinosa accumulating Cd

1. .School of Environmental Science and Engineering , Tongji University , Shanghai 200092 , China;

2. .School of Civil Engineering and Architecture , East China Jiaotong University , Nanchang 330013, Jiangxi , China;

3. Research Institute of Environmental Chemistry and Technology , Hanshan Normal College , Chaozhou 521041 , Guangdong , China

Funds:

湖南省自然科学基金资助项目(02JJY4058);华东交通大学科研基金资助项目(304109)

Received Date: 2005-10-21

Rev Recd Date: 2006-03-06

Publish Date: 2006-08-20

Key words:

Abstract: Identification of new hyperaccumulators is of great importance to successful phytoremediation of the environment contaminated with heavy metal .A series of field investigations was conducted in the vicinity of Zhuzhou Pb-Zn Smelting Factory to search for new Cd hyperaccumulators .The results showed that Phytolacca acinosa could highly accumulate Cd .With the maximum Cd mass fraction in the leaf and stem reaching 63.8 mg kg-1 , the plant grew well in the vicinity of Smelting Factory with Cd mass fraction being as high as 106.0 mg kg-1 .An outdoor pot-culture experiment was conducted to further study metal tolerance and accumulation by Phytolacca acinosa and its potential for phytoremediation .As a result , this species had not only remarkable tolerance to Cd , but also an extraordinary capacity for this element , P .acinosa could grow quite well with Cd supplied at a level of 5 mgkg-1 and its biomass was more than that of plant in control with Cd supplied .With the Cd concentration in the media increasing , the Cd concentration in its overground parts and in the roots increased , but the bioaccumulation coefficient gradually decreased , although its biomass was less than that of plant in control with Cd supplied .As the Cd mass fraction in the soil reached 200 mg kg-1 , P .acinosa still grew well. Furthermore , P .acinosa was judged whether it was hyperaccumulator with coefficient absorption capacity .It further proved that P .acinosa had the great capacity of transporting Cd from the roots to the aerial parts .[ Ch , 3 fig .5 tab .12 ref .]

Characteristics of Phytolacca acinosa accumulating Cd

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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