| UV-B辐射增强和氮沉降对不同种源地乌桕叶绿素荧光参数的影响 |
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| 引用本文： | 郑翔,江亮波,邓邦良,刘倩,刘喜帅,郑利亚,郭晓敏,刘苑秋,张令.UV-B辐射增强和氮沉降对不同种源地乌桕叶绿素荧光参数的影响[J].浙江农业学报,2018,30(2):248. |
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| 作者姓名： | 郑翔 江亮波 邓邦良 刘倩 刘喜帅 郑利亚 郭晓敏 刘苑秋 张令 |
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| 作者单位： | 江西省森林培育重点实验室,江西特色林木资源培育与利用协同创新中心,江西农业大学 林学院,江西 南昌330045 |
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| 基金项目： | 江西特色林木资源培育与利用2011协同创新中心; 江西农业大学科研启动基金(09005172); 江西农业大学博士后基金(9232306047) |
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| 摘 要： | 以来源于入侵地美国和中国本地的乌桕(Triadica sebifera)为研究对象,通过模拟UV-B辐射增强、氮沉降加剧,研究两者对不同种源地乌桕种群叶绿素荧光参数的影响。结果表明,UV-B辐射和氮沉降在乌桕株高方面存在显著交互作用,UV-B辐射和种源在Fv/Fm方面存在显著交互作用;UV-B辐射显著增加乌桕SPAD;氮沉降显著增加乌桕SPAD,降低Y(Ⅱ)、ETRmax;氮沉降能减缓UV-B辐射对乌桕株高生长的胁迫作用;来源于入侵地美国的乌桕种群相比于中国本地乌桕种群,具有较高的实际光能转化效率和株高生长速度,较低的SPAD,并对UV-B辐射胁迫更敏感。
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| 关 键 词： | 植物入侵 乌桕 UV-B辐射 氮沉降 叶绿素荧光参数 |
| 收稿时间： | 2017-08-28 |
Effects of enhanced UV-B radiation and nitrogen deposition on chlorophyll fluorescence parameters of invasive plant Triadica sebifera |
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| ZHENG Xiang,JIANG Liangbo,DENG Bangliang,LIU Qian,LIU Xishuai,ZHENG Liya,GUO Xiaomin,LIU Yuanqiu,ZHANG Ling.Effects of enhanced UV-B radiation and nitrogen deposition on chlorophyll fluorescence parameters of invasive plant Triadica sebifera[J].Acta Agriculturae Zhejiangensis,2018,30(2):248. |
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| Authors: | ZHENG Xiang JIANG Liangbo DENG Bangliang LIU Qian LIU Xishuai ZHENG Liya GUO Xiaomin LIU Yuanqiu ZHANG Ling |
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| Institution: | Jiangxi Provincial Key Laboratory of Silviculture, Collaborative Innovation Center of Jiangxi Typical Trees Cultivation and Utilization, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China |
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| Abstract: | In order to study the effects of enhanced UV-B radiation and nitrogen deposition on chlorophyll fluorescence parameters in invasive plant Triadica sebifera, we used plant materials which came from the native land China and the invaded land US. The results showed that UV-B radiation and nitrogen deposition showed interactive effect on plant height, and UV-B radiation and origin had a significant interaction on Fv/Fm. UV-B radiation significantly increased the SPAD of T. sebifera, and nitrogen deposition significantly increased SPAD and decreased Y(Ⅱ) and ETRmax of T. sebifera. Nitrogen deposition could alleviate UV-B radiation stress effects on plant growth of Triadica sebifera. Compared with the local Chinese populations, the population from America showed higher light energy conversion efficiency and growth rate of height, lower SPAD and was more sensitive to UV-B radiation stress. |
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| Keywords: | plant invasion Triadica sebifera UV-B radiation nitrogen deposition chlorophyll fluorescence parameters |
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