PHYTOREMEDIATION POTENTIAL OF HELIANTHUS ANNUUS L IN SEWAGE-IRRIGATED INDO-GANGETIC ALLUVIAL SOILS

被引：27

作者：

Mani, Dinesh ^{[2
]}

Sharma, Bechan ^{[3
]}

Kumar, Chitranjan ^{[1
]}

Pathak, Niraj ^{[2
]}

Balak, Shiv ^{[2
]}

机构：

[1] Natl Acad Sci India, DNA Club Project, JRF, Allahabad 211002, Uttar Pradesh, India

[2] Univ Allahabad, Dept Chem, Sheila Dhar Inst Soil Sci, Allahabad 211002, Uttar Pradesh, India

[3] Univ Allahabad, Dept Biochem, Allahabad 211002, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL OF PHYTOREMEDIATION | 2012年 / 14卷 / 03期

关键词：

chromium; Helianthus annuus L; humic acid; phytoremediation; soil amelioration; CADMIUM ACCUMULATION; ZINC; AVAILABILITY; PHYTOEXTRACTION; MANGANESE; INCREASE; IRON; PB;

D O I：

10.1080/15226514.2010.498844

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The study of phytoremediation potential of Helianthus annuus L was conducted in the sewage-irrigated Indo-Gangetic alluvial soils, India. Calcium @ 1.0% and Zn @ 40ppm enhanced the yield of H. annuus L and minimized the toxicity of Cr in the investigated soils. The study indicated that H. annuus L is highly sensitive to Cr and Zn in terms of metallic pollution; and may be used as indicator plant. For Cr-phytoremediation, humic acid treatment @ 500 mL/acre induced the Cr-accumulation in roots (p < 0.007) and in shoots (p < 0.015), which was recorded 3.21 and 3.16 mg/kg in root and shoot of H. annuus L, respectively. We suggest that H. annuus L fulfils the necessary condition for efficiently increasing species bioaccumulation after soil treatment with humic acid in Cr-polluted sewage-irrigated soils through soil-plant rhizospheric processes.

引用

页码：235 / 246

页数：12

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