|本期目录/Table of Contents|

[1]张美德,艾伦强,卢超,等.硒对镉胁迫下白术幼苗生理特性的影响[J].江苏农业科学,2015,43(10):306-308.
 Zhang Meide,et al.Effect of selenium on physiological characteristics of Atractylodes macrocephala Koidz. seedlings under cadmium stress[J].Jiangsu Agricultural Sciences,2015,43(10):306-308.
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硒对镉胁迫下白术幼苗生理特性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年10期
页码:
306-308
栏目:
水产养殖·特种种养
出版日期:
2015-10-25

文章信息/Info

Title:
Effect of selenium on physiological characteristics of Atractylodes macrocephala Koidz. seedlings under cadmium stress
作者:
张美德 艾伦强 卢超 何银生 刘海华
湖北省农业科学院中药材研究所/湖北省农业科技创新中心中药材分中心,湖北恩施 445000
Author(s):
Zhang Meideet al
关键词:
白术逆境胁迫生理特性
Keywords:
-
分类号:
S567.23+3.01
DOI:
-
文献标志码:
A
摘要:
以白术为材料,研究了在200、300 μmol/L CdCl2胁迫下加入4 μmol/L Na2SeO3对白术幼苗生长和部分生理特性的影响。结果表明,在200 μmol/L CdCl2处理中,当加入硒元素后,白术叶片的镉含量显著下降,SOD、APX和POD活性显著增强,过氧化氢和丙二醛含量显著下降,白术植株鲜质量显著上升,表明硒能有效缓解镉引起的逆境胁迫。而在300 μmol/L CdCl2处理中,当加入硒元素后,白术叶片的镉含量几乎不变,尽管SOD和APX活性显著增强,但过氧化氢和丙二醛含量继续上升,白术植株鲜质量进一步下降,表明此时的硒加剧了镉引起的逆境胁迫。上述结果说明硒主要通过减少白术叶片对镉的吸收来缓解镉胁迫,而抗氧化酶系统在硒缓解镉胁迫中发挥的作用尚有待深入研究。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-10-27
基金项目:湖北省研究与开发计划(编号:2011BCB018);湖北省农业科学院青年基金(编号:2011NKYJJ23)。
作者简介:张美德(1978—),男,江西奉新人,博士,副研究员,主要从事药用植物生理研究。Tel:(0718) 8416633;E-mail:emailtoecho@163.com。
更新日期/Last Update: 2015-10-25