Physiological and visible injury responses in different growth stages of winter wheat to ozone stress and the protection of spermidine
文献类型：期刊论文
| 作者 | Liu, Xin; Sui, Lihua; Huang, Yizong; Geng, Chunmei; Yin, Baohui |
| 刊名 | ATMOSPHERIC POLLUTION RESEARCH
 |
| 出版日期 | 2015-07 |
| 卷号 | 6期号:4页码:596-604 |
| 关键词 | Winter wheat ozone injury antioxidation system spermidine |
| 英文摘要 | The open top chamber (OTC) method was used in a farmland to study the influence of different levels of O-3 concentrations (40 ppb, 80 ppb and 120 ppb) on the enzymatic activity and metabolite contents of the antioxidation system of the winter wheat leaves during the jointing, heading and milk stage. The protective effect of exogenous spermidine (Spd) against the antioxidation of winter wheat under the O-3 stress was investigated. With the increasing O-3 concentrations and fumigation time, the injuries of the winter wheat leaves were observed to be more serious. For instance, when the O-3 concentration reached 120 ppb, the activities of superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX) and nitrate reductase (NR) in the jointing stage decreased by 50.3%, 64.9%, 75.5% and 92.9%, respectively; peroxidase (POD) and glutathione reductase (GR) increased by 45.1% and 80.5%, respectively; the contents of malondialdehyde (MDA), ascorbic acid (AsA) and reduced glutathione (GSH) increased by 314.3%, 8.4% and 31.7%, respectively; and the soluble protein (SP) content decreased by 47.5%. The O-3 stress also had significant impact on the contents of proline (Pro), NO3--N and NH4+-N of the winter wheat leaves. During the heading stage, when the O-3 concentration was 40 ppb and 80 ppb, the content of Pro was 163.9% and 173.2% higher than that in the control group, respectively. But under 120 ppb, it was decreased by 42.4%. Exogenous application of Spd increased the activities of SOD, POD, CAT, APX and GR, as well as the contents of GSH and SP, but decreased the contents of MDA and AsA. This indicates that Spd is an effective antioxidant to relieve the O-3 stress on winter wheat leaves, thereby might be applicable to protect winter wheat from the harm of O-3. |
| 研究领域[WOS] | Environmental Sciences |
| WOS记录号 | WOS:000359951500007 |
| 公开日期 | 2016-03-08 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/32356]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Liu, Xin,Sui, Lihua,Huang, Yizong,et al. Physiological and visible injury responses in different growth stages of winter wheat to ozone stress and the protection of spermidine[J]. ATMOSPHERIC POLLUTION RESEARCH,2015,6(4):596-604. |
| APA | Liu, Xin,Sui, Lihua,Huang, Yizong,Geng, Chunmei,&Yin, Baohui.(2015).Physiological and visible injury responses in different growth stages of winter wheat to ozone stress and the protection of spermidine.ATMOSPHERIC POLLUTION RESEARCH,6(4),596-604. |
| MLA | Liu, Xin,et al."Physiological and visible injury responses in different growth stages of winter wheat to ozone stress and the protection of spermidine".ATMOSPHERIC POLLUTION RESEARCH 6.4(2015):596-604. |
入库方式： OAI收割
来源：生态环境研究中心
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