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Effects of Perchlorate Stress on Growth and Physiological Characteristics of Rice (Oryza sativa L.) Seedlings
Xie, Yinfeng1; Tao, Gongsheng2; Chen, Qian3; Tian, Xueyao1; Xie, YF (reprint author), Nanjing Forestry Univ, Coll Forest Resources & Environm, Nanjing 210037, Jiangsu, Peoples R China.; xxyyff@njfu.edu.cn
2014-08-01
发表期刊WATER AIR AND SOIL POLLUTION
ISSN0049-6979
卷号225期号:8页码:2077
产权排序第三
摘要Effects of perchlorate stress on the growth and physiological characteristics of rice (Oryza swim L.) were studied in controlled water culture experiments. Perchlorate stress resulted in varied patterns of biomass allocation to O. saliva organs (roots, stems, and leaves). When stressed with higher perchlorate concentrations, the proportion of root biomass was higher, stem biomass was invariant, while leaf biomass was lower. Coefficients of variation in biomass of different organs followed the order leaf>stem>root, indicating that leaf growth has a higher sensitivity to perchlorate. Compared to the control, the chlorophyll and protein content of leaves and root vigor were lower, whereas malondialdehyde (MDA) content and catalase (CAT) activity were higher and related to perchlorate concentration and duration of stress. Superoxide dismutase (SOD) activity was initially high and then decreased markedly during the experiment, while peroxidase (PDX) activity in perchlorate-treated rice was always higher than the PDX activity of the control. PDX was the most sensitive antioxidant enzyme to perchlorate stress. Correlation analysis showed a positive correlation between SOD activity and the fresh weight of the whole plant, and negative conelation with MDA content. The results suggest that perchlorate could induce oxidative stress and oxidative damage may be the main cause of physiological damage and growth inhibition in rice plants under perchlorate stress.
关键词Perchlorate Stress Growth Physiology Olyza Saliva l
资助信息Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); National Basic Research Program of China [2006CB403301]; Scientific Innovation Fund of Nanjing Forestry University [CX2011-23]
学科领域Environmental Sciences ; Meteorology & Atmospheric Sciences ; Water Resources
DOI10.1007/s11270-014-2077-8
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences ; Water Resources
WOS记录号WOS:000340527400040
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/18322
专题中国西南野生生物种质资源库
通讯作者Xie, YF (reprint author), Nanjing Forestry Univ, Coll Forest Resources & Environm, Nanjing 210037, Jiangsu, Peoples R China.; xxyyff@njfu.edu.cn
作者单位1.Nanjing Forestry Univ, Coll Forest Resources & Environm, Nanjing 210037, Jiangsu, Peoples R China
2.Tongcheng Teachers Coll, Dept Sci & Technol, Tongcheng 231400, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Peoples R China
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GB/T 7714
Xie, Yinfeng,Tao, Gongsheng,Chen, Qian,et al. Effects of Perchlorate Stress on Growth and Physiological Characteristics of Rice (Oryza sativa L.) Seedlings[J]. WATER AIR AND SOIL POLLUTION,2014,225(8):2077.
APA Xie, Yinfeng,Tao, Gongsheng,Chen, Qian,Tian, Xueyao,Xie, YF ,&xxyyff@njfu.edu.cn.(2014).Effects of Perchlorate Stress on Growth and Physiological Characteristics of Rice (Oryza sativa L.) Seedlings.WATER AIR AND SOIL POLLUTION,225(8),2077.
MLA Xie, Yinfeng,et al."Effects of Perchlorate Stress on Growth and Physiological Characteristics of Rice (Oryza sativa L.) Seedlings".WATER AIR AND SOIL POLLUTION 225.8(2014):2077.
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