Major factors influencing cadmium uptake from the soil into wheat plants

Liu, Ke; Lv, Jialong; He, Wenjun; Zhang, Hong; Cao, Yong; Dai, Yunchao

doi:10.1016/j.ecoenv.2014.12.005

Cited by 140 publications

(51 citation statements)

References 34 publications

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“…As this survey was done across a wide range of different locations it is expected that the soil properties, which affect the availability and uptake of metals from soils, will be different at different sites. Soil pH has been identified as an important factor in cadmium accumulation in plants (Adams et al, 2004;Zheng et al, 2011;Zhao et al, 2010;Ding et al, 2013Liu et al, 2015. For example, Liu et al (2015) demonstrated that wheat varieties accumulated more cadmium in acidic soils compared to alkaline soils.…”

Section: Discussionmentioning

confidence: 99%

“…Soil pH has been identified as an important factor in cadmium accumulation in plants (Adams et al, 2004;Zheng et al, 2011;Zhao et al, 2010;Ding et al, 2013Liu et al, 2015. For example, Liu et al (2015) demonstrated that wheat varieties accumulated more cadmium in acidic soils compared to alkaline soils. Other important soil factors include organic carbon content, cation exchange capacity, and clay content, as well as the oxide content of Fe, Al, and Mn (Zheng et al, 2011;Zhao et al, 2010;Ding et al, 2013;).…”

Section: Discussionmentioning

confidence: 99%

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Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Norton

Deacon

Mestrot

et al. 2015

Science of The Total Environment

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. (2015). Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK. The Science of the total environment, 533, 520-527. DOI: 10.1016DOI: 10. /j.scitotenv.2015 Published in: The Science of the total environment Document Version: Peer reviewed version Queen's University Belfast -Research Portal: Link to publication record in Queen's University Belfast Research Portal Publisher rights © 2015 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ which permits distribution and reproduction for non-commercial purposes, provided the author and source are cited. General rightsCopyright for the publications made accessible via the Queen's University Belfast Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. AbstractCadmium and lead were determined in fruit and vegetable produce (~1,300 samples) collected from a field and market basket study of locally grown produce from the South-West of Britain (Devon and Cornwall). These were compared with similarly locally grown produce from the North-East of Britain (Aberdeenshire). The concentrations of cadmium and lead in the market basket produce were compared to the maximum levels (ML) set by the European Union (EU). For cadmium 0.2% of the samples exceeded the ML, and 0.6% of the samples exceeded the ML for lead. The location of cadmium and lead in potatoes was performed using laser ablation ICP-MS. All tested samples exhibited higher lead concentrations, and most exhibited increased concentrations of cadmium in the potato skin compared to the flesh. The concentrations of cadmium and lead found in fruits and vegetables sampled during this study do not increase concern about risk to human health.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Norton

Deacon

Mestrot

et al. 2015

Science of The Total Environment

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“…Lack of linearity between plant and soil concentrations of the other metals can be explained by many factors influencing metal uptake by plants and complexity of ion transfer. Variables such as soil physicochemical properties, applied fertilisers, the type of plant species, etc., can influence these uptake rates (Chen et al, 2016;Chojnacka et al, 2005;Liu et al, 2015). Furthermore, uptake of metals may result from sources other than soil, such as polluted air and water.…”

Section: Plant Uptake and Cfmentioning

confidence: 99%

Assessment of potentially toxic trace element contamination in urban allotment soils and their uptake by onions: A preliminary case study from Sheffield, England

Weber

Mawodza

Sarkar

et al. 2019

Ecotoxicology and Environmental Safety

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Toxic trace element (TTE) contamination in urban soils may pose potential health risks, especially in cities with previous industrial activities. This study aimed to investigate soil contamination in urban allotments in Sheffield, the uptake of TTEs in autumn and spring sown onions (Allium cepa), and their potential risks on human health via consumption of the crops. Paired soil and plant samples were taken in triplicates from four private allotments to assess potentially elevated levels of lead (Pb), zinc (Zn), copper (Cu), arsenic (As), and chromium (Cr). These elements in soils exceeded the ambient background levels for England. Both Pb and As exceeded some UK and EU soil tolerable limits. Concentration factors (CF) were calculated as the ratio of trace element in the plant as compared to that in the soil, and uptake rates were in the order Zn>Cu>Cr>Pb>As. Concentrations were higher for most TTEs in spring sown onions (SSO), and had significantly higher CF (p<0.05) for Pb and Cr than autumn sown onions (ASO), whereas the opposite was true for As. Toxic elements in plants did not exceed FAO/WHO intake limits when considering TTE content per plant and consumption rates. Human health risk assessment calculations using target hazard quotients (THQ) and hazard indexes (HI) indicated that consuming onions alone did not pose an immediate health risk.

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“…François et al (2009) reported that the empirical model performed very well as compared with the mechanistic models in predicting the concentration of Cd in wheat systems. Ding et al (2013) and Liu et al (2015) established the empirical models for exploring the transfer characteristics of Cd from the soil to carrot and wheat systems, respectively. To avoid the shortcomings of the mechanistic models, in the present study, the empirical model was selected to build the prediction equations.…”

Section: Discussionmentioning

confidence: 99%

“…Cadmium is a hazardous trace element with high toxicity and solubility in the soil (Liu et al, 2015; McBride, 2002). The soil contains a background amount of Cd (a mean value of 0.097 mg kg –1 ), which mainly originates from parent materials (Wei et al, 1991).…”

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confidence: 99%

Establishment of a Model to Assess Soil Cadmium Uptake by Brassica Chinensis

Dai

Nasir

Yu-lin

et al. 2019

Soil Science Soc of Amer J

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Cadmium uptake by Brassica chinensis was positively related with soil Cd content. Soil pH and OC acted as dominant factors regulating Cd uptake in Brassica chinensis. The log‐transformed data was more appropriate in establishing the regress equations. The predication model was best established combining with soil pH and OC. Estimating cadmium (Cd) bioavailability and transfer to plants are important for food safety. We aimed to determine the dominant soil factors regulating the transfer of Cd from a wide variety of Chinese soils to Pak Choi (Brassica chinensis) and to establish a model for prediction of Cd uptake in B. chinensis. A greenhouse experiment was conducted in which B. chinensis plants were grown under 14‐h 20°C light/10‐h 16°C dark photoperiod for 60 d. The total Cd content in the plant and soil samples was measured. The Cd concentration in B. chinensis was positively correlated to the soil Cd concentration, and negatively correlated to the soil pH and soil organic carbon (SOC) content. The bio‐concentration factors (BCF) measured in acidic soils (the maximum value being 0.551) were higher than those in alkaline soils (the maximum value being 0.366). Multivariable (pH, SOC, and total soil Cd) regression analysis could estimate the Cd bioavailability more accurately compared with the single‐factor (total soil Cd) analysis. The most accurate Freundlich‐type equation (Log[Cplant] = 2.34Log[Csoil] – 0.27pH – 0.23Log[SOC] + 0.92) was developed to estimate the Cd bioavailability using combined data from all treatments. The model described by us would be useful for estimating the bioavailability of Cd to B. chinensis in a variety of soils and would be helpful in assessing the risk of Cd contamination in soils.

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Major factors influencing cadmium uptake from the soil into wheat plants

Cited by 140 publications

References 34 publications

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Cadmium and lead in vegetable and fruit produce selected from specific regional areas of the UK

Assessment of potentially toxic trace element contamination in urban allotment soils and their uptake by onions: A preliminary case study from Sheffield, England

Establishment of a Model to Assess Soil Cadmium Uptake by Brassica Chinensis

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