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2012•Polish Journal of Environmental StudiesRequires access

Uptake and Translocation of Cd and Pb in Four Water Spinach Cultivars Differing in Shoot Cd and Pb Concentrations

Baifei Huang, Junliang Xin, Aiqun Liu, Liao Ke-bin

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Abstract

A pot experiment was conducted to study the differences of uptake and translocation of Cd and Pb in four water spinach cultivars, including two low-Cd-Pb cultivars and two high-Cd-Pb cultivars. The results showed that the characteristics of low-Cd-Pb and high-Cd-Pb accumulation were stable in the two types of cultivars, respectively. The differences in shoot Cd concentration between low-Cd-Pb and high-Cd-Pb cultivars were attributable to the differences of Cd uptake and translocation from root to shoot, but the differences of shoot Pb concentration appeared to be driven by whole-plant Pb uptake rather than by Pb translocation from root to shoot.

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What this paper is about

A pot experiment was conducted to study the differences of uptake and translocation of Cd and Pb in four water spinach cultivars, including two low-Cd-Pb cultivars and two high-Cd-Pb cultivars. The results showed that the characteristics of low-Cd-Pb and high-Cd-Pb accumulation were stable in the two types of cultivars, respectively. The differences in shoot Cd concentration between low-Cd-Pb and high-Cd-Pb cultivars were attributable to the differences of Cd uptake and translocation from root to shoot, but the differences of shoot Pb concentration appeared to be driven by whole-plant Pb uptake rather than by Pb translocation from root to shoot.

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Available abstract

A pot experiment was conducted to study the differences of uptake and translocation of Cd and Pb in four water spinach cultivars, including two low-Cd-Pb cultivars and two high-Cd-Pb cultivars. The results showed that the characteristics of low-Cd-Pb and high-Cd-Pb accumulation were stable in the two types of cultivars, respectively. The differences in shoot Cd concentration between low-Cd-Pb and high-Cd-Pb cultivars were attributable to the differences of Cd uptake and translocation from root to shoot, but the differences of shoot Pb concentration appeared to be driven by whole-plant Pb uptake rather than by Pb translocation from root to shoot.

Key concepts: Shoot, Cultivar, Chromosomal translocation, Spinach, Chemistry, Horticulture, Botany, Biology

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