|本期目录/Table of Contents|

[1]王华华,张杨阳,刘文文.铝胁迫下一氧化氮对大豆根生长抑制的缓解作用[J].江苏农业科学,2019,47(18):122-125.
　Wang Huahua,et al.Mitigating effect of nitrogen oxide on growth inhibition of soybean roots under aluminum stress[J].Jiangsu Agricultural Sciences,2019,47(18):122-125.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第18期
页码:
122-125
栏目:
遗传育种与耕作栽培
出版日期:
2019-10-15

文章信息/Info

Title:
Mitigating effect of nitrogen oxide on growth inhibition of soybean roots under aluminum stress
作者:
王华华;  张杨阳;  刘文文
河南师范大学生命科学学院，河南新乡 453007
Author(s):
Wang Huahua; et al
关键词:
大豆; 根系生长; 一氧化氮; 信号分子; 铝毒害; 耐受性; 生长抑制; 缓解作用; 抗性品种筛选
Keywords:
-
分类号:
Q945.78；S565.101
DOI:
-
文献标志码:
A
摘要:
在酸性(pH值<5)土壤中，铝毒害是制约农作物生产的主要逆境因子。铝毒通过抑制根系生长，影响作物对水分和营养物质的吸收，最终导致农作物产量下降。以大豆为试验材料，探讨铝胁迫下外源一氧化氮(NO)对铝毒害的调节作用。结果显示，不同铝浓度处理可抑制大豆根的生长及根尖伸长区细胞的伸长，且可诱发根尖丙二醛(MDA)和H2O2含量的升高；进一步研究结果显示，NO处理可显著缓解铝抑制的根生长及根尖伸长区细胞的伸长，且降低根尖MDA、H2O2含量，提升根尖抗氧化酶活性。表明NO可能通过提高根尖抗氧化能力来缓解铝胁迫对根尖伸长区细胞伸长的抑制，从而改善根系的生长。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-06-09
基金项目：国家自然科学基金(编号：U1704121)；河南师范大学优秀青年科学基金(编号：14YQ003)；河南师范大学博士启动课题(编号：11129)。
作者简介：王华华(1980—)，男，湖北孝感人，博士，副教授，主要从事植物逆境生理研究。E-mail：hhwang04@163.com。
更新日期/Last Update: 2019-09-20