全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
草业科学  2014 

土壤石油污染下柠条生长反应与抗氧化保护响应

, PP. 632-640

Keywords: 陕北,生长,抗氧化酶,抗氧化剂

Full-Text   Cite this paper   Add to My Lib

Abstract:

?为探讨柠条(Caraganakorshinskii)对石油污染的耐受性及耐受机制,采用盆栽试验,于2012年7-9月测定了不同浓度石油污染(0、5、10、15和20g·kg-1,原油·干土-1)土壤中一年生柠条幼苗的生长指标、抗氧化指标及过氧化氢(H2O2)含量的动态变化。结果表明,石油浓度为5g·kg-1时,对柠条生长影响不显著,10~20g·kg-1时抑制柠条生长;超氧化物歧化酶(SOD)、抗坏血酸过氧化物酶(APX)、谷胱甘肽还原酶(GR)、抗坏血酸(AsA)和还原型谷胱甘肽(GSH)在土壤石油污染胁迫下发挥了重要的抗氧化保护作用,而过氧化物酶(CAT)活性长时间受抑制,类胡萝卜素(Car)也表现出明显的降解现象;石油浓度为5和10g·kg-1时,H2O2无显著积累,15和20g·kg-1时H2O2积累。总体上,整个土壤石油胁迫期间,SOD与CAT协同作用被削弱;石油在较高浓度(15和20g·kg-1),APX、GR、AsA与GSH协同作用表现突出,Halliwell-AsAda循环高效启动;10g·kg-1浓度应是柠条对土壤石油污染的耐受阈值。

References

[1]  谢重阁.环境中石油污染物的分析技术.北京:中国环境科学出版社,1987:2-96.
[2]  肖冬梅,王森,姬兰柱.水分胁迫对长白山阔叶红松林主要树种生长及生物量分配的影响.生态学杂志,2004,23(5):93-97.
[3]  Sun W H,Lo J B,Robert F M,Ray C,Tang C S.Phytoremediation of petroleum hydrocarbons in tropical coastal soils.I.Selection of promising woody plants.Environmental Science and Pollution Research International,2004,11(4):260-266.
[4]  孙宗连,肖昕,张双,吴国良,王倩.不同植物对石油污染的耐受性研究.环境科学与管理,2011,36(5):130-132.
[5]  许端平,王波.土壤中石油烃类污染物对高粱玉米生长的影响研究.矿业快报,2006,12:28-30.
[6]  李以康,韩发,吴兵,王学英,师生波.唐古特山莨菪抗氧化系统成分对环境变化的响应.草地学报,2007,17(1):29-34.
[7]  弓晓峰,荣亮,杨丽珍,刘足根,方红亚.石油污染土壤对玉米生长的影响及其生态毒性研究.环境科学与技术,2011,34(10):71-75.
[8]  宋雪英,宋玉芳,孙铁珩,李昕馨,张薇,周启星.柴油污染土壤对小麦种子萌发及幼苗生长的生态毒性效应.农业环境科学学报,2006,25(3):554-559.
[9]  柯钦雨,叶媛蓓.不同浓度多环芳烃(菲)胁迫下拟南芥的生理响应.环境卫生工程,2009,17(增刊):110-116.
[10]  尹颖,孙媛媛,贾海霞,郭红岩,王晓蓉.菲在苦草中的富集及氧化胁迫效应.应用与环境生物学报,2007,13(5):652-656.
[11]  蒋明义,郭绍川.水分亏缺诱导的氧化胁迫和植物的抗氧化作用.植物生理学通讯,1996,32(2):144-150.
[12]  王生耀,王堃,赵永来,巩爱岐,辛有俊.干旱和UV-B对两种牧草生长和抗氧化系统的影响.草地学报,2008,16(4):392-395.
[13]  Asada K.The water-water cycle in chloroplasts:scav-enging of active oxygens and dissipation of excess photons.Annual Review of Plant Physiology and Plant Molecular Biology,1999,50:601-639.
[14]  韩刚,党青,赵忠.干旱胁迫下沙生灌木花棒的抗氧化保护响应研究.西北植物学报,2008,28(5):1007-1013.
[15]  张麟君,李凯荣,张晓阳.陕北黄土高原不同植物对有机污染物的吸收和积累.西北农林科技大学学报(自然科学版),2013,41(8):110-116.
[16]  李小利,刘国彬,许明祥.陕北油田土壤和地表水石油污染特征.水土保持研究,2009,16(5):145-146.
[17]  刘国良,苏幼明,顾书敏,宋红光,阎贵文,于维雨.石油污染土壤生物修复研究新进展.化学与生物,2008,25(8):1-4.
[18]  李方敏,姚金龙,王琼山.修复石油污染土壤的植物筛选.中国农学通报,2006,22(9):429-431.
[19]  Corseuil H X,Moreno F N.Phytorem ediation potential of willow trees for aquifers contaninated with ethanolblended gasoline.Wateres,2001,35:3013-3017.
[20]  Spriggs T,Banks M K,Schwab P.Phytoremediation of Polycyclic aromatic hydrocarbons in manufactured gas plant impacted soil.Journal of Environmental Quality,2005,34:1755-1762.
[21]  岳冰冰,李鑫,任芳菲,孟凡娟,孙广玉.石油污染对紫花苜蓿部分生理指标的影响.草业科学,2011,28(2):236-240.
[22]  时腾飞,刘增文,田楠,李俊,陈昕,王国保.黄土区石油污染对土壤及豆科灌草植物的潜在影响.草地学报,2013,21(2):295-301.
[23]  李春荣,王文科,曹玉清,王丽娟.石油污染土壤的生态效应及修复技术.地球科学与技术,2007(9):4-6.
[24]  牛春山.陕西树木志.北京:中国林业出版社,1990:572-574,568-569,1026.
[25]  韩刚,党青,赵忠.柠条抗氧化保护系统对干旱胁迫的响应.草地学报,2010,18(4):528-532.
[26]  刘继朝,张燕平,邹树增.土壤石油污染对植物种子萌发和幼苗生长的影响.水土保持通报,2009,29(3):123-126.
[27]  Beyer W F,Fridovich I.Assaying for superoxide-dismutase activity:Some large consequences of minor changes in conditions.Analytical Biochemistry,1987,161(2):559-566.
[28]  Tanida M.Catalase activity of rice seed embryo and its relation to germination rate at a low temperature .Breeding Science,1996,46(1):23-27.
[29]  Saruyama H,Tanida M.Effect of chilling on activated oxygen-scavenging enzymes in low temperature-sensitive and -tolerant cultivars of rice(Oryza sativa L.).Plant Science,1995,109(2):105-113.
[30]  Ding H D,Zhu W M,Yang S J,Yang X F.Dynamic changes in antioxidative systems in roots of tomato(Lycopersicom esculentum mill.) seeding under zinc stress and recovery.Chinese Journal of Applied & Environmental Biology,2005,11(5):531-535.
[31]  Tanaka K,Suda Y,Kondo N.Ozone tolerance and the ascorbate-dependent hydrogen peroxide decomposing system in chloroplasts.Plant Cell Physiology,1985, 26(4):1425-1431.
[32]  Ellman G L.Tissue sulfhydryl groups.Archives of Biochemistry and Biophysics,1959,82(1):70-77.
[33]  高俊凤.植物生理学试验技术.西安:世界图书出版西安公司,2000:101-103.
[34]  Mukherjes S P,Choudhuri M A.Implication of water stress-induced change in the levers of endogenous ascorbic acid and hydrogen peroxide in Vigna seedings.Physiologia Plantarum,1983,58(2):166-170.
[35]  时忠杰,胡哲森,李荣生.水分胁迫与活性氧代谢.贵州大学学报(农业与生物科学版),2002,21(2):140-145.
[36]  杜秀敏,殷文璇,赵彦修,张慧.植物中活性氧的产生及清除机制.生物工程学报,2001,17(2):121-125.
[37]  Malecka A,Jarmuszkiewicz W,Tomaszewska B.Antioxidative defense to lead stress in subcellular compartments of pea root cells.Acta Biochimica Polonica,2001,48:687-698.
[38]  龚吉蕊,赵爱芬,张立新,张新时.干旱胁迫下几种荒漠植物抗氧化能力的比较研究.西北植物学报,2004,24(9):1570-1577.
[39]  Ruley A T,Nilesh S C,Sahi S V.Antioxidant defense in a lead accumulating plant,Sesbania drummondii.Plant Physiology and Biochemistry,2004,42:899-906.
[40]  Seel W E,Hendry G A F,Lee J A.Effects of desiccation on some activated oxygen processing enzymes and antioxidants in mosses.Journal of Experimental Botany,1992,43:1031-1035.
[41]  Wise R B,Natlor A W.Chilling-enhanced photooxidation.Evidence for the role of singlet oxygen and superoxide in the breakdown of pigments and endogenous antioxidants.Plant Physiology,1987,83:278-282.
[42]  张继澍.植物生理学.北京:高等教育出版社,2006:432-433.
[43]  李小利,刘国彬,薛萐,许明祥.土壤石油污染对植物苗期生长和土壤呼吸的影响.水土保持学报,2007,21(3):95-98,127.
[44]  刘继朝,张燕平,邹树增.土壤石油污染对植物种子萌发和幼苗生长的影响.水土保持通报,2009,29(3):123-126.
[45]  Hurst C J,Knudsen G R,McInerney M J.Manual of Environmental Micro biology.Washington D C:American Society for Microbiology,1997:453-458.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133