Can liming reduce cadmium (Cd) accumulation in rice (Oryza sativa) in slightly acidic soils? A contradictory dynamic equilibrium between Cd uptake capacity of roots and Cd immobilisation in soils

被引:95
作者
Yang, Yongjie [1 ]
Chen, Jiangmin [1 ,2 ]
Huang, Qina [1 ]
Tang, Shaoqing [1 ]
Wang, Jianlong [2 ]
Hu, Peisong [1 ]
Shao, Guosheng [1 ]
机构
[1] China Natl Rice Res Inst, State Key Lab Rice Biol, 359 Tiyuchang Rd, Hangzhou 310006, Zhejiang, Peoples R China
[2] Hunan Agr Univ, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Changsha 410128, Hunan, Peoples R China
关键词
Rice; Cadmium; pH; Liming; Transport protein; Iron; PADDY SOILS; COMBINED AMENDMENTS; ORGANIC-MATTER; GREEN-ALGA; PH; IRON; TRANSLOCATION; LIME; ZINC; PHYTOAVAILABILITY;
D O I
10.1016/j.chemosphere.2017.11.061
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Cadmium (Cd) accumulation in rice is strongly controlled by liming, but information on the use of liming to control Cd accumulation in rice grown in slightly acidic soils is inconsistent. Here, pot experiments were carried out to investigate the mechanisms of liming on Cd accumulation in two rice varieties focusing on two aspects: available/exchangeable Cd content in soils that were highly responsive to liming, and Cd uptake and transport capacity in the roots of rice in terms of Cd accumulation-relative gene expression. The results showed that soil availability and exchangeable iron, manganese, zinc and Cd contents decreased with increased liming, and that genes related to Cd uptake (OsNramp5 and OsIRT1) were sharply up-regulated in the roots of the two rice varieties. Thus, iron, manganese, zinc and Cd contents in rice plants increased under low liming applications but decreased in response to high liming applications. However, yield and rice quantities were only slightly affected. These results indicated that Cd accumulation in rice grown in slightly acidic soils presents a contradictory dynamic equilibrium between Cd uptake capacity by roots and soil Cd immobilisation in response to liming. The enhanced Cd uptake capacity under low liming dosages increases risks to human health. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:547 / 556
页数:10
相关论文
共 60 条
[1]   The Influence of pH and Organic Matter from Sugarcane By-products on Soil Cadmium Fractionation [J].
Akkajit, Pensiri ;
Tongcumpou, Chantra .
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 2016, 47 :28-35
[2]   Using a toxicokinetics approach to explain the effect of soil pH on cadmium bioavailability to Folsomia candida [J].
Ardestani, Masoud M. ;
van Gestel, Cornelis A. M. .
ENVIRONMENTAL POLLUTION, 2013, 180 :122-130
[3]   A PRACTICAL METHOD FOR ASSESSING CADMIUM LEVELS IN SOIL USING THE DTPA EXTRACTION TECHNIQUE WITH GRAPHITE-FURNACE ANALYSIS [J].
BAILEY, VL ;
GRANT, CA ;
RACZ, GJ ;
BAILEY, LD .
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 1995, 26 (7-8) :961-968
[4]   A three-year experiment confirms continuous immobilization of cadmium and lead in contaminated paddy field with biochar amendment [J].
Bian, Rongjun ;
Joseph, Stephen ;
Cui, Liqiang ;
Pan, Genxing ;
Li, Lianqing ;
Liu, Xiaoyu ;
Zhang, Afeng ;
Rutlidge, Helen ;
Wong, Singwei ;
Chia, Chee ;
Marjo, Chris ;
Gong, Bin ;
Munroe, Paul ;
Donne, Scott .
JOURNAL OF HAZARDOUS MATERIALS, 2014, 272 :121-128
[5]   Effects of atmospheric deposition, soil pH and acidification on heavy metal contents in soils and vegetation of semi-natural ecosystems at Rothamsted Experimental Station, UK [J].
Blake, L ;
Goulding, KWT .
PLANT AND SOIL, 2002, 240 (02) :235-251
[6]   Immobilization and phytoavailability of cadmium in variable charge soils. II. Effect of lime addition [J].
Bolan, NS ;
Adriano, DC ;
Mani, PA ;
Duraisamy, A .
PLANT AND SOIL, 2003, 251 (02) :187-198
[7]   Plant science: the key to preventing slow cadmium poisoning [J].
Clemens, Stephan ;
Aarts, Mark G. M. ;
Thomine, Sebastien ;
Verbruggen, Nathalie .
TRENDS IN PLANT SCIENCE, 2013, 18 (02) :92-99
[8]   Genotypic and Environmental Variations in Grain Cadmium and Arsenic Concentrations Among a Panel of High Yielding Rice Cultivars [J].
Duan, Guilan ;
Shao, Guosheng ;
Tang, Zhong ;
Chen, Hongping ;
Wang, Boxun ;
Tang, Zhu ;
Yang, Yuping ;
Liu, Yuechuan ;
Zhao, Fang-Jie .
RICE, 2017, 10
[9]   pH modulates transport rates of manganese and cadmium in the green alga Chlamydomonas reinhardtii through non-competitive interactions:: Implications for an algal BLM [J].
Francois, Laura ;
Fortin, Claude ;
Campbell, Peter G. C. .
AQUATIC TOXICOLOGY, 2007, 84 (02) :123-132
[10]   Comparison on cellular mechanisms of iron and cadmium accumulation in rice: prospects for cultivating Fe-rich but Cd-free rice [J].
Gao, Lei ;
Chang, Jiadong ;
Chen, Ruijie ;
Li, Hubo ;
Lu, Hongfei ;
Tao, Longxing ;
Xiong, Jie .
RICE, 2016, 9