|本期目录/Table of Contents|

[1]张晓晓,陈双双,郑婷,等.铝胁迫对虎舌红叶片活性氧代谢及光合光响应特性的影响[J].江苏农业科学,2018,46(1):72-75.
 Zhang Xiaoxiao,et al.Effects of aluminum stress on reactive oxygen species metabolism and photosynthetic light response characteristics of Ardisia mamillata Hance[J].Jiangsu Agricultural Sciences,2018,46(1):72-75.
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铝胁迫对虎舌红叶片活性氧代谢
及光合光响应特性的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第1期
页码:
72-75
栏目:
园艺与林学
出版日期:
2018-01-05

文章信息/Info

Title:
Effects of aluminum stress on reactive oxygen species metabolism and photosynthetic light response characteristics of Ardisia mamillata Hance
作者:
张晓晓 陈双双 郑婷 郦枫 刘鹏
浙江师范大学化学与生命科学学院/浙江省野生动物生物技术与保护利用重点实验室,浙江金华 321004
Author(s):
Zhang Xiaoxiaoet al
关键词:
铝胁迫虎舌红活性氧叶绿素荧光抗逆性
Keywords:
-
分类号:
Q945.78
DOI:
-
文献标志码:
A
摘要:
通过溶液培养法探究铝胁迫对虎舌红生理响应的影响。以盆栽2年生虎舌红扦插苗为试验材料,用含AlCl3的Hoaglands营养液处理虎舌红幼苗,分别以7、14、21 d为不同周期,浓度梯度设置为0(CK)、200 μmol/L(T1)、500 μmol/L(T2)、1 000 μmol/L(T3)和2 000 μmol/L(T4)。结果表明,随着胁迫程度的加剧,虎舌红叶片中丙二醛(MDA)含量逐渐升高。轻度铝胁迫下虎舌红叶片的超氧化物歧化酶(SOD)和过氧化物酶(POD)无显著变化;中度胁迫处理下SOD、POD活性明显上升,CAT活性被抑制;高度胁迫时CAT活性明显被抑制。前2个周期低铝处理(T1、T2)下虎舌红叶片通过部分荧光参数FoYieldqN以及叶绿素含量的增加来抵抗铝毒害,而在高铝处理下3个叶绿素荧光参数和叶绿素含量一定程度被抑制,表明虎舌红叶片光合效率下降。由此可知,虎舌红可以通过增加抗氧化酶的活性、相关荧光参数的大小以及叶绿素含量来增加其耐铝性。虎舌红具有较强的抗铝毒害能力,且在一定时间范围内可以有效抵御铝所造成的伤害。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-07-17
基金项目:国家自然科学基金(编号:41571049、41461010);2016年新苗人才计划(编号:2016R81)。
作者简介:张晓晓(1994—),女,浙江宁波人,硕士研究生,主要从事逆境植物生理研究。E-mail:1451112798@qq.com。
通信作者:刘鹏,博士,教授,研究方向为植物生理生态、植物逆境生理、环境污染与保护。E-mail:sky79@zjnu.cn。
更新日期/Last Update: 2018-01-05