[1]赵志汝,王东超,孟伟芳,等.铅胁迫对北海道黄杨和雪中红生理 指标的影响[J].江苏林业科技,2018,45(04):36-39.[doi:10.3969/j.issn.1001-7380.2018.04.009]
 Zhao Zhiru,Wang Dongchao,Meng Weifang,et al.Effect of lead stress on physiological and biochemical characteristicsof Euonymus japonicus Thunb. and E. japonicus ‘Xuezhonghong’[J].Journal of Jiangsu Forestry Science &Technology,2018,45(04):36-39.[doi:10.3969/j.issn.1001-7380.2018.04.009]
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铅胁迫对北海道黄杨和雪中红生理 指标的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第45卷
期数:
2018年04期
页码:
36-39
栏目:
试验研究
出版日期:
2018-08-15

文章信息/Info

Title:
Effect of lead stress on physiological and biochemical characteristics of Euonymus japonicus Thunb. and E. japonicus ‘Xuezhonghong’
文章编号:
1001-7380(2018)04-0036-04
作者:
赵志汝王东超孟伟芳郭冠男汪健
河南红枫种苗股份有限公司,河南郑州450002
Author(s):
Zhao Zhiru Wang Dongchao Meng Weifang Guo Guannan Wang Jian
Henan Red Maple Seedling Co. Ltd, Zhengzhou 450002, China
关键词:
铅胁迫北海道黄杨雪中红铅吸收SODMDA含量
Keywords:
Pb stress Euonymus japonicus Thunb. Euonymus japonicus ‘Xuezhonghong’ Pb absorptionSODMDA content
分类号:
S714.6; X503.235
DOI:
10.3969/j.issn.1001-7380.2018.04.009
文献标志码:
A
摘要:
为了探讨北海道黄杨及其选育品种雪中红对土壤铅污染的修复潜力,采用盆栽试验,用不同质量分数(500×10-6,1 000×10-6,1 500×10-6,2 000×10-6)的硝酸铅溶液处理北海道黄杨雪中红,研究铅胁迫对北海道黄杨和雪中红生物量、部分生理指标(SOD和MDA)和铅吸收量的影响。结果表明:随着铅胁迫程度的增加,北海道黄杨和雪中红的生物量累积逐渐下降,而SOD酶活性、MDA含量和铅吸收量逐渐上升。以1 500×10-6硝酸铅处理时,北海道黄杨生物量下降幅度达到45.18%;以2 000×10-6硝酸铅处理时,雪中红生物量下降44.13%。以1 500×10-6硝酸铅处理时,北海道黄杨SOD活性达到最大值,而雪中红以2 000×10-6硝酸铅处理时SOD活性达到最大值。以1 500×10-6—2 000×10-6硝酸铅处理时,北海道黄杨和雪中红的铅吸收量均达到最高值,且雪中红铅吸收量高于北海道黄杨。综上所述,相比北海道黄杨而言,雪中红表现出较强的耐受能力和铅吸收能力。
Abstract:
In order to study the potential of Euonymus japonicus Thunb. and Euonymus japonicus ‘Xuezhonghong’ for phyto-remediation of Pb contaminated soil, pot incubation test was conducted to investigate the differences in biomass, some physiological index (SOD and MDA) and Pb absorption by the treatments of 500×10-6, 1 000×10-6,1 500×10-6, 2 000×10-6 Pb(NO3)2between E. japonicus and E. japonicus ‘Xuezhonghong’ plants. The results showed that with the increase of concentration of Pb(NO3)2 treatments, the biomass of E. japonicus and E. japonicus ‘Xuezhonghong’ reduced gradually , and the activities of SOD, MDA, and Pb absorption were increased gradually. Biomass of E. japonicus decreased 45.18% with 1 500×10-6 Pb(NO3)2 treatment, but that of E. japonicus ‘Xuezhonghong’ decreased 44.13% with 2 000×10-6 Pb(NO3)2 treatment. SOD protective enzyme of E. japonicus reached peak while that of E. japonicus ‘Xuezhonghong’ got peak with 2 000×10-6 Pb(NO3)2 treatment. Pb absorptions of E. japonicus and E. japonicus ‘Xuezhonghong’ reached peak between 1 500×10-6 and 2 000×10-6 Pb(NO3)2 treatments, and Pb absorption of E. japonicus ‘Xuezhonghong’ was higher than that of E. japonicus . So we concluded that as for Pb tolerance and absorption, E. japonicus ‘Xuezhonghong’ was better than E. japonicus .

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备注/Memo

备注/Memo:
收稿日期:2018-06-27;修回日期:2018-07-25
作者简介:赵志汝(1990-),女,河南郑州人,硕士。主要从事植物抗性研究。E-mail:zhaozhiru2017@163.com。
更新日期/Last Update: 2018-09-13