Effects of Lead and Zinc on Arsenic Accumulation in Nonmetallicolous and Metallicolous Populations of Pteris vittata L.

被引：3

作者：

Wu, Fu Yong ^{[1
,2
,3
]}

Zhakypbek, Yryszhan ^{[4
,5
]}

Bi, Yinli ^{[4
,5
]}

Chen, Songtao ^{[1
]}

Guo, Yifei ^{[1
]}

Wong, Minghung ^{[2
,3
]}

机构：

[1] Henan Univ Urban Construct, Fac Municipal & Environm Engn, Pingdingshan, Peoples R China

[2] Hong Kong Baptist Univ, Croucher Inst Environm Sci, Kowloon Tong, Hong Kong, Peoples R China

[3] Hong Kong Baptist Univ, Dept Biol, Kowloon Tong, Hong Kong, Peoples R China

[4] China Univ Min & Technol, Sch Geosci & Surveying Engn, Beijing, Peoples R China

[5] Kazakh Natl Tech Univ, Alma Ata, Kazakhstan

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2013年 / 44卷 / 19期

关键词：

Chinese brake fern; effective phytoextraction; heavy metals; intraspecific variation; SOUTHERN CHINA; CONTAMINATED SOILS; RICE GRAIN; TOLERANCE; HYPERACCUMULATION; BANGLADESH; MECHANISMS; FERN; PHYTOREMEDIATION; METABOLISM;

D O I：

10.1080/00103624.2013.823984

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Although Pteris vittata L. can occur on arsenic (As)-contaminated soils and uncontaminated soils, variation in As accumulation among nonmetallicolous and metallicolous populations and impacts of heavy metals in soils on As accumulation in the nonmetallicolous and metallicolous populations have not been fully explored. Five populations of P. vittata were collected from different field sites, and sporelings (four or five fonds) were used to further investigate the pattern of As accumulation. The results of pot trials showed that three nonmetallicolous populations of P. vittata possessed an obviously greater growth rate than the two metallicolous populations. The nonmetallicolous populations also accumulated significantly greater (P < 0.05) As than the metallicolous populations, regardless of the presence or absence of lead (Pb) and zinc (Zn). In addition, Pb and Zn in soils decreased As accumulation in P. vittata. The present results suggested that As removal can be greatly enhanced by the judicious selection of populations of P. vittata.

引用

页码：2839 / 2851

页数：13

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