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Accumulation and Transfer of Cadmium Isotope (112Cd) by Sonchus asper Intercropped with Vicia faba and Implications for Phytoremediation
Ist Teil von
Bulletin of environmental contamination and toxicology, 2021-12, Vol.107 (6), p.1143-1148
Ort / Verlag
New York: Springer US
Erscheinungsjahr
2021
Quelle
SpringerLink
Beschreibungen/Notizen
Accumulation and transfer of Cd by
Sonchus asper
intercropped with a legume crop,
Vicia faba
were determined via
112
Cd as a tracer to assess the potential of
Sonchus asper
as a hyperaccumulator. In this study,
Sonchus asper
and
Vicia faba
were planted side by side in soils amended with arbuscular mycorrhizae, and
112
Cd was applied to either
Sonchus asper
or
Vicia faba
planted soils while the neighboring plant received
112
Cd across a nylon net impermeable to the roots. Mean concentration of
112
Cd in the shoot of
Sonchus asper
was 7.0 times higher than
Vicia faba
. The translocation factor of
112
Cd in
Sonchus asper
were 39 and 400 times higher than in
Vicia faba
under the
112
Cd direct and indirect treatments, respectively. The results suggested that the intercropping of
Sonchus asper
as a hyperaccumulator with
Vicia faba
, might be a feasible approach for phytoremediation of Cd contaminated soil.