[1]李华丽,唐永金,曾峰.高浓度铀胁迫对植物叶绿素荧光特性的影响[J].江苏农业科学,2015,43(04):360-362.
　Li Huali,et al.Effect of high concentration of uranium stress on chlorophyll fluorescence characteristics of plants[J].Jiangsu Agricultural Sciences,2015,43(04):360-362.
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高浓度铀胁迫对植物叶绿素荧光特性的影响()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年04期
页码:
360-362
栏目:
资源与环境
出版日期:
2015-04-25

文章信息/Info

Title:
Effect of high concentration of uranium stress on chlorophyll fluorescence characteristics of plants
作者:
李华丽1;  唐永金1; 2;  曾峰1
1.西南科技大学生命科学与工程学院，四川绵阳 621010； 2.西南科技大学核废物与环境安全国防重点学科实验室，四川绵阳 621010
Author(s):
Li Huali; et al
关键词:
铀; 胁迫; 植物; 叶绿素; 荧光特性; 响应
Keywords:
-
分类号:
Q945.78；Q945.11
DOI:
-
文献标志码:
A
摘要:
在含500 mg/kg铀的核素溶液和清水浇施(CK)的土壤中，分别种植水花生、菊苣、木耳菜、黄秋葵和灰灰菜，出苗后65～70 d测定叶绿素荧光参数和快速光合曲线参数。结果表明，铀胁迫能降低植物PSⅡ的最大光化学效率(Fv/Fm)，提高最低荧光F0；高浓度铀能胁迫降低植物的快速光曲线初始斜率α、最大相对电子传递速率ETRmax和半饱和光强Ik，极显著降低ETRmax；铀胁迫对不同植物荧光特性有不同的响应，在铀胁迫下，灰灰菜的Fv/Fm略有增加，而菊苣和黄秋葵显著下降。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2014-06-06
基金项目：国防基础重点科研(编号：B3120110001)。
作者简介：李华丽(1989—)，女，硕士，从事环境污染生物修复研究。
通信作者：唐永金，教授，从事核污染环境的植物修复研究。E-mail：tangyongjin@swust.edu.cn。
更新日期/Last Update: 2015-04-25