[1]张占彪,李培环,段艳欣,等.盐胁迫对三个高羊茅品种膜脂过氧化及耐盐性的影响[J].北方园艺,2014,38(22):57-61.
　ZHANG Zhan-biao,LI Pei-huan,DUAN Yan-xin,et al.Effect of Saline Coerce on Lipid Peroxidation and Salt Tolerance of Three Tall Fescue Cultivars[J].Northern Horticulture,2014,38(22):57-61.
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盐胁迫对三个高羊茅品种膜脂过氧化及耐盐性的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年22期 页码: 57-61 栏目: 出版日期: 2014-11-30
Title:
Effect of Saline Coerce on Lipid Peroxidation and Salt Tolerance of Three Tall Fescue Cultivars
文章编号:
1001-0009（2014）22-0057-05
作者:
张占彪; 李培环; 段艳欣; 薛秀栋; 董晓颖
青岛农业大学 园艺学院，山东 青岛 266109
Author(s):
ZHANG Zhan-biao; LI Pei-huan; DUAN Yan-xin; XUE Xiu-dong; DONG Xiao-ying
College of Horticulture,Qingdao Agricultural University,Shandong,Qingdao 266109
关键词:
高羊茅; 盐胁迫; 膜脂过氧化; 耐盐性
Keywords:
tall fescue; salt stress; lipid peroxidation; salt tolerance
分类号:
S 688.4
文献标志码:
A
摘要:
以高羊茅品种“雅典娜”、“金太阳”和“美洲虎4号”种子为试材，测定分析了其在盐碱土和正常土壤上发芽70 d后叶片中保护酶活性和丙二醛（MDA）、叶绿素及可溶性蛋白质的含量。结果表明：盐碱土上的“雅典娜”、“金太阳”和“美洲虎4号”叶片的过氧化物酶（POD）活性分别比在正常土上的升高了10.43%、12.68%和61.83%，超氧化物歧化酶（SOD）活性分别比正常土升高了33.96%、41.70%和16.35%，过氧化氢酶（CAT）活性比正常土上的升高了6.18%、106.34%和2.62%；MDA含量比正常土上增加了56.46%、33.56%和65.21%；叶绿素含量分别比正常土下降了35.35%、27.08%和36.59%；可溶性蛋白质含量比正常土降低了23.04%、7.39%和23.49%。其中“金太阳”在盐碱土上受到的膜脂过氧化程度较轻，叶绿素和可溶性蛋白质的含量下降较少，耐盐性较好。
Abstract:
Taking ‘Athena’,‘Golden sun’and ‘Jaguar 4’ as materials,the leaf protective enzymes activity,MDA,chlorophyll content and soluble protein content were determined under normal soil and saline-alkali soil after 70 days germination.The results showed that the POD activity of ‘Athena’,‘Golden sun’ and ‘Jaguar 4’ under the saline-alkali soil were higher 10.43%,12.68% and 61.83% than that under the normal soil.Likewise,the SOD activity were higher 33.96%,41.70% and 16.35%,the CAT activity was higher 6.18%,106.34% and 2.62%；the MDA content was higher 56.46%,33.56% and 65.21%；the chlorophyll content was decreased 35.35%,27.08% and 36.59%；the soluble protein content was decreased 23.04%,7.39% and 23.49%.Among ‘Athena’,‘Golden sun’ and ‘Jaguar 4’,the degree of lipid peroxidation of ‘Golden sun’ in saline-alkali soil were lighter,the chlorophyll content and the soluble protein content decreasing was fewer,and it had the higher salt tolerance.

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备注/Memo

第一作者简介：张占彪（1988-），男，山西吉县人，硕士研究生，现主要从事园林植物组织培养和植物逆境生理等研究工作。E-mail：zzb552350@163.com.

基金项目：青岛市公共领域科技支撑计划资助项目(12-1-3-50-nsh)。
收稿日期：2014-07-10

更新日期/Last Update: 2014-12-12