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Effects of applying hyperaccumulator straw in soil on growth and cadmium accumulation of G alinsoga parviflora
Author(s) -
Wang Jin,
Liu Chunyang,
Zhang Xiao,
Lin Lijin,
Liao Ming'an,
Lv Xiulan,
Xia Hui,
Liang Dong
Publication year - 2016
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12226
Subject(s) - bidens pilosa , hyperaccumulator , cadmium , straw , shoot , phytoremediation , botany , chemistry , horticulture , biology , agronomy , heavy metals , environmental chemistry , organic chemistry
The effects of application of the straw of cadmium accumulating species ( Youngia erythrocarpa (cadmium hyperaccumulator), Bidens pilosa (cadmium hyperaccumulator), Solanum photeinocarpum (potential cadmium hyperaccumulator), and Siegesbeckia orientalis (cadmium accumulator)) in cadmium contaminated soil on the growth and cadmium accumulation of Galinsoga parviflora were studied. The root biomass, stem biomass, shoot biomass, total biomass, and the antioxidant enzyme activity of G. parviflora were increased by application of the straw of Y. erythrocarpa . The straw of Y. erythrocarpa , S. orientalis , and B. pilosa reduced soil pH, increased the soil exchangeable Cd concentration, and increased the Cd contents in stems, leaves, and shoots of G. parviflora compared with the control. The straw of Y. erythrocarpa and B. pilosa increased the Cd extraction amount in stems, leaves, shoots and the whole plant of G. parviflora compared with the control, with the effect of Y. erythrocarpa higher than that of B. pilosa . Therefore, the straw of Y. erythrocarpa and B. pilosa improved the Cd extraction ability of G. parviflora from cadmium‐contaminated soil, and the straw of Y. erythrocarpa demonstrated to be the best material. © 2015 American Institute of Chemical Engineers Environ Prog, 35: 618–623, 2016