Variations in iron plaque, root morphology and metal bioavailability response to seedling establishment methods and their impacts on Cd and Pb accumulation and translocation in rice (Oryza sativa L.)

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成果类型：

期刊论文

作者：

Deng, Xiao;Yang, Yang;Zeng, Hongyuan;Chen, Yixuan;Zeng, Qingru*

通讯作者：

Zeng, Qingru

作者机构：

[Zeng, Hongyuan; Zeng, Qingru; Deng, Xiao; Yang, Yang; Chen, Yixuan] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.

[Zeng, Hongyuan; Zeng, Qingru; Yang, Yang] Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Peoples R China.

通讯机构：

[Zeng, Qingru] H

Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.

语种：

英文

关键词：

Bioaccumulation;Biochemistry;Heavy metals;Iron;Pollution;Soils;Heavy metal accumulation;Heavy metal pollution;Iron plaques;Oryza sativa;Rice (Oryza sativa L.);Root morphology;Seedling establishment;Seedling transplanting;Morphology;cadmium;iron;lead;cadmium;iron;lead;metal;bioaccumulation;bioavailability;cadmium;concentration (composition);experimental study;heavy metal;iron;lead;reduction;rice;root architecture;seedling establishment;agronomic trait;bioavailability;biomass;cadmium poisoning;comparative study;concentration (parameter);controlled study;environmental impact;field experiment;lead poisoning;nonhuman;phytotoxicity;plant parameters;plant tissue;pollution;rice;root average diameter;root growth;root length;root morphology;runoff;seedling establishment;shoot growth;soil acidity;soil analysis;soil property;surface area;anatomy and histology;bioavailability;chemistry;food grain;growth, development and aging;metabolism;Oryza;plant root;rhizosphere;seedling;soil pollutant;Oryza sativa;Biological Availability;Cadmium;Edible Grain;Iron;Lead;Metals;Oryza;Plant Roots;Rhizosphere;Seedlings;Soil Pollutants

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2020

卷：

384

页码：

121343

DOI：

10.1016/j.jhazmat.2019.121343

基金类别：

This research was supported by grants from the National Natural Science Foundation of China (No. 41701366 ) and the N ational Key Research and Development Program of China (No. 2016YFD0800304 ). This research was supported by grants from the National Natural Science Foundation of China (No. 41701366) and the National Key Research and Development Program of China (No. 2016YFD0800304).

机构署名：

本校为第一且通讯机构

院系归属：

资源环境学院

生物科学技术学院

摘要：

Global rice production is undergoing a shift from traditional seedling transplanting to direct seeding. There are also serious global challenges caused by heavy metal pollution in grain. To evaluate heavy metal accumulation in rice under different seedling establishment methods, we conducted field experiments with manual transplanting (MT), seedling throwing (ST) and direct seeding (DS). Data revealed that DS method enhances cadmium (Cd) and lead (Pb) accumulation in roots, straw, and brown rice. In particular, the Cd concentration in DS brown ...

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Variations in iron plaque, root morphology and metal bioavailability response to seedling establishment methods and their impacts on Cd and Pb accumulation and translocation in rice (Oryza sativa L.)

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