[1]曹芳.外源NO对盐胁迫下新疆杨生理特性的影响[J].江苏林业科技,2020,47(06):19-22.[doi:10.3969/j.issn.1001-7380.2020.06.004]
　Cao Fang.Effect of exogenous NO on physiological traits of Populus alba var pyramidalis Bge. under salt stress[J].Journal of Jiangsu Forestry Science &Technology,2020,47(06):19-22.[doi:10.3969/j.issn.1001-7380.2020.06.004]
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外源NO对盐胁迫下新疆杨生理特性的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第47卷
期数:
2020年06期
页码:
19-22
栏目:
试验研究
出版日期:
2020-12-31

文章信息/Info

Title:
Effect of exogenous NO on physiological traits of Populus alba var pyramidalis Bge. under salt stress
文章编号:
1001-7380（2020）06-0019-04
作者:
曹芳
山西省桑干河杨树丰产林实验局金沙滩林场,山西 怀仁 038302
Author(s):
Cao Fang
Jinshatan Forest Farm, Sangganhe Poplar High Yield Forest Experimental Bureau, Shanxi Province, Huairen 038302, China
关键词:
硝普钠; 一氧化氮; 盐胁迫; 新疆杨; 生理特性
Keywords:
SNP; Nitric oxide; Salt stress; Populus alba var pyramidalis Bge.; Physiological trait
分类号:
Q945.78；Q946.885+.9；S792.119
DOI:
10.3969/j.issn.1001-7380.2020.06.004
文献标志码:
A
摘要:
试验以3年生新疆杨为试验材料，在NaCl浓度为600 mmol/L条件下，研究了不同浓度的NO供体外源硝普钠（40，100，160 μmol/L）处理对盐胁迫下新疆杨MDA含量，SOD，POD，CAT活性的影响。结果表明：600 mmol/L盐胁迫会提高新疆杨叶片内MDA含量，而100 μmol/L的外源硝普钠处理与盐胁迫处理相比显著降低了MDA含量；盐胁迫条件下新疆杨叶片内SOD，POD，CAT活性升高，100 μmol/L的外源硝普钠处理较盐胁迫处理显著提高了3种抗氧化酶活性。综合分析认为，100 μmol/L的外源硝普钠具有缓解新疆杨盐胁迫伤害的作用。
Abstract:
In this paper, the three-year-old cutting plants of Populus alba var pyramidalis Bge. were used as experimental material, and under 600 mmol/L salt stress, MDA content, SOD, POD and CAT activities in leaves were studied with different exogenous NO concentration (40，100，160 μmol/L SNP addition ). The results showed that the MDA content was increased under salt stress, but exogenous 100 μmol/L SNP addition could make MDA content decrease significantly. And the activities of SOD, POD and CAT increased by salt stress, were still significantly increased with 100 μmol/L exogenous SNP addition. Comprehensive analysis showed that 100 μmol/L exogenous SNP addition could alleviate salt stress injury of P. alba var pyramidalis Bge.

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备注/Memo

备注/Memo:
收稿日期：2020-09-20;修回日期：2020-10-08
作者简介：曹芳（1981- ），女，山西怀仁人，工程师，大学本科毕业。主要从事林木栽培研究工作。
更新日期/Last Update: 2021-01-12