Effects of Mycorrhizae on Phytoremediation of Soil Contaminated with Small-Scale Gold Mine Tailings Containing Mercury

Select Volume / Issue:

• Volume 3,Issue 2, Mar. 2016

Year:

2016

Type of Publication:

Article

Keywords:

Mycorrhizae, Local Tree Species, Myco Phytoremediation, Phytostabilization, Soil Contaminated

Authors:

Indraningsih, Bekti; Utomo, Wani Hadi; Handayanto, Eko

Journal:

IJRAS

Volume:

3

Number:

2

Pages:

104-109

Month:

March

ISSN:

2348-3997

Note:

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. CC BY-NC-SA 4.0 Creative Commons License: https://creativecommons.org/licenses/by-nc-sa/4.0/

Abstract:

A study that was aimed to explore the effects of mycorrhizae inoculation on the potential of local tree species (Duabanga moluccana, Paraserianthes falcataria, and Erythrina orientalis) for phytoremediation of soils contaminated with small-scale gold mine tailings containing mercury was conducted in a glasshouse. Each of the plant seedlings was planted in a plastic pot containing 10 kg of tailing-contaminated soil. Treatments tested were three plant species, and doses of mycorrhizal inoculation, i.e. 0 and 30 spores/ plant. At harvest of nine weeks, shoots and roots were analyzed for mercury concentration. The remaining soils in the pots were used for growing maize for eight weeks. The results showed that the most potential plant species for phytostabilization was P.falcataria, while the most mercury tolerant plant was D.moluccana. Without mycorrhizal inoculation, the highest accumulation of mercury (73.51mg/kg) was found in the root of P.falcataria. If the mycorrhizae were inoculated, the highest accumulation of mercury was found in the root of D. moluccana. Results of the second experiment proved that the growth and biomass production of maize after myco-phytoremediation by the three plant species were higher than those of maize grown on media without myco-phytoremediation.

Full text: IJRAS_390_Final.pdf [Bibtex]