Xylem development, cadmium bioconcentration, and antioxidant defense in Populus × euramericana stems under combined conditions of nitrogen and cadmium

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成果类型：

期刊论文

作者：

Wang, Junchen;Wang, Hao;Chen, Juan;Zhang, Senmao;Xu, Jiuting;...

通讯作者：

Zhang, Yi

作者机构：

[Zhang, Xin; Feng, Yongxia; Xu, Jiuting; Zhang, Senmao; Zhang, Yi; Wang, Junchen; Chen, Yujiao; Wang, Hao; Chen, Juan; Han, Xiaoting] Northwest A&F Univ, Coll Forestry, State Key Lab Crop Stress Biol Arid Areas, Yangling 712100, Shaanxi, Peoples R China.

[Dong, Guoqing] Wuhan Polytech Univ, Wuhan 4300232, Hubei, Peoples R China.

[Zhang, Yi] Northwest Agr & Forestry Univ China, Coll Forestry, State Key Lab Crop Stress Biol Arid Areas, 22 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China.

通讯机构：

[Zhang, Yi] N

Northwest Agr & Forestry Univ China, Coll Forestry, State Key Lab Crop Stress Biol Arid Areas, 22 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China.

语种：

英文

关键词：

Cadmium contamination;Nitrogen deficiency;Phytoremediation;Populus × euramericana;Secondary xylem development

期刊：

Environmental and Experimental Botany

ISSN：

0098-8472

年：

2019

卷：

164

页码：

1-9

DOI：

10.1016/j.envexpbot.2019.04.014

基金类别：

This project was financially supported by National Key R&D Program of China (Grant No. 2016YFD0600105 ), the Start-up Project for Introduced Recruit in Northwest A&F University ( Z111021402 ), the China Scholarship Council (CSC NO. 201706305011 ), and the Fundamental Research Funds for the Central Universities (No. 2452016056 ).

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本校为其他机构

摘要：

Populus species feature remarkable phytoremediation of cadmium (Cd) contamination. The influence of nitrogen (N) availability on Cd accumulation and tolerance in stems was investigated in a clone of Populus × euramericana. Secondary xylem development in stems was dramatically suppressed by the combined conditions of N deficiency and Cd exposure, but such suppression was partially alleviated by N application. Under adequate N condition, the Cd bioconcentration factor (BCF) in stems at moderate and high Cd exposures reached 3.07 and 0.91, respec...

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Xylem development, cadmium bioconcentration, and antioxidant defense in Populus × euramericana stems under combined conditions of nitrogen and cadmium

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