Volume 18, Issue 69 (fall 2014)                   JWSS 2014, 18(69): 35-45 | Back to browse issues page

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Nikseresht F, Afyuni M, Khoshgoftarmanesh A H, Dorostkar V. Zinc Phytoremadiation Compared on Heliantus annus.L., Thlaspi caerulescens, Trifolium pretense L. and Amaranthus retroflexus. JWSS. 2014; 18 (69) :35-45
URL: http://jstnar.iut.ac.ir/article-1-2861-en.html
Dept. of soil Sci., College of Agric., Univ. of Technol., Isfahan, Iran
Abstract:   (8736 Views)

Phytoremediation is one of the best methods for cleaning heavy metal contaminated soils. In this method, tolerant plants with high absorption potential are used to clean up the pollutant. The purpose of this greenhouse study was to find the most suitable plants with the highest Zn translocation factor and shoot concentration. Soil samples were collected from zinc and lead Bama mine in Isfahan province, Iran. To compare the hytoextraction power, Heliantus annus.L., Thlaspi caerulescens, Trifolium pretense L. and Amaranthus retroflexus were planted in 8 kilogeram pots. The experiment was conducted in completely randomized design with three replications. After seventy days, plants root and shoot were harvested and Zn concentration was measured. The result showed that Thlaspi caerulescens had significantly higher root and shoot Zn concentration (3125 and 4041 mg kg-1, respectively). The highest bioaccumulation factor and translocation factor was observed in Thlaspi caerulescens. Based on this research, Thlaspi caerulescens was one of the suitable Zn hyper accumulators for cleaning up the Zn pollution.

Full-Text [PDF 192 kb]   (1492 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2015/01/11 | Accepted: 2015/01/11 | Published: 2015/01/11

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