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| Titel: |
Using Elevated Carbon Dioxide to Enhance Copper Accumulation in Pteridium Revolutum, a Copper-Tolerant Plant, Under Experimental Conditions |
| Auteur: |
Zheng, Jiemin Wang, Haiyan Li, Zhongquan Tang, Shirong Chen, Ziyuan |
| Verschenen in: |
International journal of phytoremediation |
| Paginering: | Jaargang 10 (2008) nr. 2 pagina's 161-172 |
| Jaar: |
2008-03 |
| Inhoud: |
In our survey in the copper (Cu) mining area of China, a sun fern (Pteridium revolutum) was found to accumulate 30-567 mg Cu kg-1 DW (33 samples) in its fronds with a large frond biomass. Cu translocation factors in the plants varied from 0.09 to 3.88. In a greenhouse pot experiment, the effect of an elevated CO2 concentration (700 μL L-1) on Cu accumulation in plants was studied using three fern species (P. revolutum, Pteridium aquilinum, and Pteris vittata) grown in the Cu-contaminated soil. P. revolutum showed a higher Cu tolerance but its Cu translocation factor was lower than 1. At the elevated CO2 concentration, frond biomass of all species was significantly increased, as was the total Cu content in the fronds of P. revolutum and P. aquilinum. Our study suggests that P. revolutum could serve as a good candidate for phytoextraction of Cu-contaminated soils and that doubling the ambient CO2 concentration will facilitate its use in phytoextraction. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 6 van 6 gevonden artikelen
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