| UV-B辐射增强与1,2,4-三氯苯污染复合胁迫对青菜生长的影响 |
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| 引用本文： | 刘翠英,樊建凌,徐向华.UV-B辐射增强与1,2,4-三氯苯污染复合胁迫对青菜生长的影响[J].环境科学,2014,35(3):1164-1168. |
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| 作者姓名： | 刘翠英 樊建凌 徐向华 |
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| 作者单位： | 南京信息工程大学应用气象学院, 江苏省农业气象重点实验室, 南京 210044;中国科学院南京土壤研究所, 南京 210008;南京信息工程大学应用气象学院, 江苏省农业气象重点实验室, 南京 210044 |
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| 基金项目： | 国家自然科学基金项目（41201314，41001134）；土壤与农业可持续发展国家重点实验室开放课题项目（0812201227） |
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| 摘 要： | 采用盆栽实验,分析了单一UV-B辐射增强或1,2,4-三氯苯(TCB)污染土壤与两种胁迫复合作用对青菜生长发育、气孔阻力及叶片结构的影响.结果表明,单一1,2,4-TCB污染对青菜生长发育的抑制作用大于两种胁迫复合作用.UV-B辐射增强和1,2,4-TCB污染均显著增加青菜叶片正面和反面气孔阻力.UV-B辐射增强使青菜叶片产生白化现象.1,2,4-TCB污染使叶片颜色变淡,并使青菜叶片表面出现黑斑症状,且UV-B辐射增强使黑斑症状加剧.总之,单一增强UV-B辐射或1,2,4-TCB污染及其复合作用对青菜各生长发育指标的影响结果不同.
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| 关 键 词： | UV-B辐射 1 2 4-三氯苯 复合作用 青菜 生长 |
| 收稿时间： | 7/8/2013 12:00:00 AM |
| 修稿时间： | 2013/10/29 0:00:00 |
Combined Stress of Enhanced UV-B Radiation and 1,2,4-Trichlorobenzene Contamination on the Growth of Green Vegetable |
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| LIU Cui-ying,FAN Jian-ling and XU Xiang-hua.Combined Stress of Enhanced UV-B Radiation and 1,2,4-Trichlorobenzene Contamination on the Growth of Green Vegetable[J].Chinese Journal of Environmental Science,2014,35(3):1164-1168. |
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| Authors: | LIU Cui-ying FAN Jian-ling and XU Xiang-hua |
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| Institution: | Jiangsu Key Laboratory of Agricultural Meteorology, College of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China;Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;Jiangsu Key Laboratory of Agricultural Meteorology, College of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China |
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| Abstract: | A pot experiment was conducted to study the effects of UV-B radiation enhancement alone, 1,2,4-trichlorobenzene (TCB) contamination soil alone, and the combined stress on the growing process, stomatal resistance and leaf structure of green vegetable. The results showed that 1,2,4-TCB contamination alone had more significant inhibitory effect on the growth of green vegetable than the combined stress. Both UV-B radiation enhancement and 1,2,4-TCB contamination reduced the stomatal resistance of front and reverse leaves. Enhanced UV-B radiation resulted in the albino of leaves. 1,2,4-TCB contamination resulted in the fading of leaf color and the appearing of black spots on leaf surfaces, and the enhanced UV-B radiation strengthened the black-spot symptom. In conclusion, the effects of UV-B radiation enhancement alone, 1,2,4-trichlorobenzene (TCB) contamination soil alone and the combined stress on the growth indicators of green vegetable were different. |
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| Keywords: | UV-B radiation 1 2 4-trichlorobenzene combined effect green vegetable growth |
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