Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Distribution, Accumulation and Translation Characteristics of Heavy Metals CD in Different Varities of Edible Rape Under CD Stress

Jing Liu
ORCID logo ,
Yun Ling Kang
,
Feng Lian Du
,
Qiang Shang Liao
,
Wei Dong
,
Ting Mao Ma
,
Yuan Guan Zou
* ,
Jiang Shun Li
*
Version 1 : Received: 4 February 2024 / Approved: 5 February 2024 / Online: 5 February 2024 (06:22:52 CET)

A peer-reviewed article of this Preprint also exists.

Liu, J.; Kang, L.; Du, L.; Liao, S.; Dong, W.; Ma, M.; Zou, G.; Li, S. Distribution, Accumulation and Translocation of the Heavy Metal Cd in Various Varieties of Edible Rapeseed under Cd Stress. Sustainability 2024, 16, 2876. Liu, J.; Kang, L.; Du, L.; Liao, S.; Dong, W.; Ma, M.; Zou, G.; Li, S. Distribution, Accumulation and Translocation of the Heavy Metal Cd in Various Varieties of Edible Rapeseed under Cd Stress. Sustainability 2024, 16, 2876.

Abstract

To investigate the differences in cadium (Cd) uptake and translocation among edible rapes and select suitable rape varieties for safe production, a field experiment was carried out with 25 varieties of edible rapes on a farmland polluted with Cd in the central souothern part of Hunan Province. The growing characteristics and Cd contents in rape tissues were measured, and the amount of Cd removed was calculated. The results showed that the growth of 25 rape varieties was not inhibited without withering or inconsistent changes in leaf and so on. The Cd contents in stem-leaf and root of rapes were in the range 0.05-0.26mg·kg-1 and 0.04-0.26mg·kg-1, respectively. Basing on BCF, the stem-leaf showed a greater capacity for Cd transport than root. And the total Cd removed by rape were 0.002-0.016 mg·plant-1. Except for plant height, BCF of soil available Cd from soil to stem-leaf, TCF of Cd from root to stem-leaf and Cd taken away by rape, there was no significant difference among edible rape varieties. Although Cd contents in stem-leaf of 25 rape varieties does not exceed the national safety standards, planting “Lvjin 1”, “Guanyou Qingjing” and “Guanyou brassica” not only reduced soil pollution but also allowed the production of safe leafy rape.

Keywords

Edible rape; Cd pollution; accumulation; translation; variety

Subject

Environmental and Earth Sciences, Environmental Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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