<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the study was to compare the toleration of <italic>Poa pratensis</italic>, <italic>Lolium perenne</italic> and <italic>Festuca rubra</italic> to cadmium contamination as well as the phytoremediation potential of these three species of grass. The pot experiment was conducted in four replications in pots containing 2.0 kg of soil. The soil was contaminated with three doses of Cd – 30, 60 and 120 mg·kg<sup>−1</sup>. After two months, the aerial parts of plants were harvested. The roots were dug up, brushed off from the remaining soil and washed with water. The biomass was defined and the cadmium concentration was determined in aerial parts and roots. The phytoremediation potential of grasses was evaluated using biomass of grasses, bioaccumulation factor (BF) and translocation factor (TF). All three tested species of grasses had TF &lt; 1 and BF-root > 1. It indicates their suitability for phytostabilisation and makes them unsuitable for phytoextraction of Cd from the soil. Comparing the usefulness of the tested grasses for phytoremediation has shown that the phytostabilisation potential of <italic>P. pratensis</italic> was lower than that of <italic>L. perenne</italic> and <italic>F. rubra</italic>. <italic>P. pratensis</italic> was distinguished by higher TF, smaller root biomass and lower tolerance for Cd excess in the soil in comparison with the two other test grasses. At the same time, <italic>L. perenne</italic> was characterised by the smallest decrease in biomass and the largest Cd accumulation in roots at the lowest dose of Cd. It indicates good usefulness for phytostabilisation of soils characterised by a relatively small pollution by cadmium.</p></abstract>

The aim of the study was to compare the toleration of Poa pratensis, Lolium perenne and Festuca rubra to cadmium contamination as well as the phytoremediation potential of these three species of grass. The pot experiment was conducted in four replications in pots containing 2.0 kg of soil. The soil was contaminated with three doses of Cd – 30, 60 and 120 mg·kg−1. After two months, the aerial parts of plants were harvested. The roots were dug up, brushed off from the remaining soil and washed with water. The biomass was defined and the cadmium concentration was determined in aerial parts and roots. The phytoremediation potential of grasses was evaluated using biomass of grasses, bioaccumulation factor (BF) and translocation factor (TF). All three tested species of grasses had TF < 1 and BF-root > 1. It indicates their suitability for phytostabilisation and makes them unsuitable for phytoextraction of Cd from the soil. Comparing the usefulness of the tested grasses for phytoremediation has shown that the phytostabilisation potential of P. pratensis was lower than that of L. perenne and F. rubra. P. pratensis was distinguished by higher TF, smaller root biomass and lower tolerance for Cd excess in the soil in comparison with the two other test grasses. At the same time, L. perenne was characterised by the smallest decrease in biomass and the largest Cd accumulation in roots at the lowest dose of Cd. It indicates good usefulness for phytostabilisation of soils characterised by a relatively small pollution by cadmium.

Comparison of phytoremediation potential of three grass species in soil contaminated with cadmium

Mgr inż. Sylwia Gołda, dr hab. inż. Jolanta Korzeniowska, prof. nadzw., Department of Weed Science and Soil Tillage Systems in Wroclaw, Institute of Soil Science and Plant Cultivation - State Research Institute in Pulawy, Orzechowa 61 St., 50-540 Wroclaw, Poland; Phone: 071-3638707

Environmental Protection and Natural Resources

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The aim of the study was to compare the toleration of Poa pratensis, Lolium perenne and Festuca rubra to cadmium contamination as well as the phytoremediation potential of these three species of grass. The pot experiment was conducted in four replications in pots containing 2.0 kg of soil. The soil was contaminated with three doses of Cd – 30, 60 and 120 mg·kg−1. After two months, the aerial parts of plants were harvested. The roots were dug up, brushed off from the remaining soil and washed with water. The biomass was defined and the cadmium concentration was determined in aerial parts and roots. The phytoremediation potential of grasses was evaluated using biomass of grasses, bioaccumulation factor (BF) and translocation factor (TF). All three tested species of grasses had TF  1. It indicates their suitability for phytostabilisation and makes them unsuitable for phytoextraction of Cd from the soil. Comparing the usefulness of the tested grasses for phytoremediation has shown that the phytostabilisation potential of P. pratensis was lower than that of L. perenne and F. rubra. P. pratensis was distinguished by higher TF, smaller root biomass and lower tolerance for Cd excess in the soil in comparison with the two other test grasses. At the same time, L. perenne was characterised by the smallest decrease in biomass and the largest Cd accumulation in roots at the lowest dose of Cd. It indicates good usefulness for phytostabilisation of soils characterised by a relatively small pollution by cadmium.

The aim of the study was to compare the toleration of Poa pratensis, Lolium perenne and Festuca rubra to cadmium contamination as well as the phytoremediation...

Comparison of phytoremediation potential of three grass species in soil contaminated with cadmium

Publié en ligne: 17 mars 2016

Pages: 8 - 14

DOI: https://doi.org/10.1515/oszn-2016-0003

Mots clés
phytoremediation, cadmium, grass, soil contamination, tolerance, bioaccumulation, translocation

© 2016 Sylwia Gołda et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparison of phytoremediation potential of three grass species in soil contaminated with cadmium

Publié en ligne: 17 mars 2016

Pages: 8 - 14

DOI: https://doi.org/10.1515/oszn-2016-0003

Mots clésphytoremediation, cadmium, grass, soil contamination, tolerance, bioaccumulation, translocation

© 2016 Sylwia Gołda et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
phytoremediation, cadmium, grass, soil contamination, tolerance, bioaccumulation, translocation