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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.7 P.476~485

10.1631/jzus.2007.B0476


Interaction of salinity and cadmium stresses on mineral nutrients, sodium, and cadmium accumulation in four barley genotypes


Author(s):  HUANG You-zong, WEI Kang, YANG Juan, DAI Fei, ZHANG Guo-ping

Affiliation(s):  Agronomy Department, Zhejiang University, Hangzhou 310029, China; more

Corresponding email(s):   zhanggp@zju.edu.cn

Key Words:  Barley, Cadmium, Growth, Mineral nutrient, Salinity


HUANG You-zong, WEI Kang, YANG Juan, DAI Fei, ZHANG Guo-ping. Interaction of salinity and cadmium stresses on mineral nutrients, sodium, and cadmium accumulation in four barley genotypes[J]. Journal of Zhejiang University Science B, 2007, 8(7): 476~485.

@article{title="Interaction of salinity and cadmium stresses on mineral nutrients, sodium, and cadmium accumulation in four barley genotypes",
author="HUANG You-zong, WEI Kang, YANG Juan, DAI Fei, ZHANG Guo-ping",
journal="Journal of Zhejiang University Science B",
volume="8",
number="7",
pages="476~485",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.B0476"
}

%0 Journal Article
%T Interaction of salinity and cadmium stresses on mineral nutrients, sodium, and cadmium accumulation in four barley genotypes
%A HUANG You-zong
%A WEI Kang
%A YANG Juan
%A DAI Fei
%A ZHANG Guo-ping
%J Journal of Zhejiang University SCIENCE B
%V 8
%N 7
%P 476~485
%@ 1673-1581
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0476

TY - JOUR
T1 - Interaction of salinity and cadmium stresses on mineral nutrients, sodium, and cadmium accumulation in four barley genotypes
A1 - HUANG You-zong
A1 - WEI Kang
A1 - YANG Juan
A1 - DAI Fei
A1 - ZHANG Guo-ping
J0 - Journal of Zhejiang University Science B
VL - 8
IS - 7
SP - 476
EP - 485
%@ 1673-1581
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0476


Abstract: 
Interaction of salinity (NaCl) and cadmium (Cd) on growth, mineral nutrients, Na and Cd accumulation in four barley genotypes differing in salt tolerance was studied in a hydroponic experiment. Cd, NaCl and their combined stresses reduced Ca and Mg concentrations in roots and shoots, K concentration in shoots, increased K and Cu concentrations in roots relative to control, but had non-significant effect on micronutrients Cu, Fe and Mn concentrations in shoot. The three stresses reduced accumulation of most tested nutrients in both roots and shoots, except NaCl and NaCl+Cd stresses for root K and shoot Cu accumulation in salt tolerant genotypes. The salt tolerant genotypes did not have higher nutrient concentration and accumulation than the sensitive ones when exposed to Cd and NaCl stresses. In conclusion, the affecting mechanism of Cd stress on nutrients was to some extent different from salinity stress, and the NaCl+Cd stress was not equal to additional Cd and NaCl stresses, probably due to the different valence and competitive site of Na+ and Cd2+. NaCl addition in the Cd-containing medium caused remarkable reductions in both Cd concentration and accumulation, with the extent of reduction being also dependent on genotypes. The salt-tolerant genotypes had lower Na concentration than sensitive ones.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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