莠去津和硝磺草酮对竹节草生理特性及抗氧化酶的影响
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摘要
以竹节草为材料,研究莠去津、硝磺草酮及两者混合施用对竹节草色素浓度、脂质过氧化反应和抗氧化酶活性的影响。结果表明,随着硝磺草酮以及莠去津与硝磺草酮混合液浓度的增加及处理时间的增加,竹节草的损伤度表现出逐渐增强的趋势;硝磺草酮140 g a.i./hm~2、莠去津280 g a.i./hm~2及两者混合处理后,竹节草叶片的叶绿素a、叶绿素b和类胡萝卜素含量下降;超氧化物岐化酶(SOD)、过氧化物酶(POD)和过氧化氢酶(CAT)活性增强,而丙二醛(MDA)含量和超氧阴离子产生速率则出现先上升后平缓的趋势;莠去津和硝磺草酮混合施用比单独施用莠去津或硝磺草酮对竹节草具有更大的伤害(P<0.05)。
引文
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[3]Lascano H R,Melchiorre M N,Luna C M,et al.Effect of photooxidative stress induced by paraquat in two wheat cultivars with differential tolerance to water stress[J].Plant Science,2003,164(5):841-848.
[4]Mc Cord J M.Superoxide radical:controversies,contradictions,and paradoxes[J].Experimental Biology and Medicine,1995,209(2):112-117.
[5]胡国霞,马莲菊,陈强,等.植物抗氧化系统对水分胁迫及复水响应研究进展[J].安徽农业科学,2011,39(3):1278-1280.
[6]张一宾.HPPD抑制剂类除草剂及其市场开发进展[J].现代农药,2013,12(5):5-8.
[7]杨娜,孙健,吴翠霞,等.除草剂新作用靶标——HPPD综述[J].农药研究与应用,2009,13(2):13-16.
[8]赵李霞,叶非.HPPD抑制剂的机理与应用进展[J].植物保护,2008,34(5):12-16.
[9]袁传卫,姜兴印.光合作用抑制性除草剂的研究[J].农药科学与管理,2014,35(4):23-27.
[10]苏旺苍,孙兰兰,吴仁海,等.中国植物保护学会学术年会论文集[C].北京:中国农业科学技术出版社,2014:306-313.
[11]Mc Elroy J S,Walker R H.Effect of atrazine and mesotrione on centipedegrass growth,photochemical efficiency,and establishment[J].Weed Technology,2009,23(1):67-72.
[12]Stone B C.The flora of Guam[M].Micronesica:University of Guam,1970.
[13]Wagner W L,Herbst D R,Sohmer S H.Manual of the flowing plants of Hawaii[M].Honolulu:University of Hawaii Press,1999.
[14]Space J C,Flynn T.Observations on invasive plant species in American Samoa[M].Honolulu:USDA Forest Service,Pacific Southwest Research Station,Institute of Pacific Islands Forestry,2000.
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[16]张静,廖丽,张欣怡,等.竹节草对铝胁迫响应及临界浓度筛选[J].草业科学,2014,31(8):1498-1502.
[17]廖丽,蒋仁娇,刘建秀,等.竹节草种质资源抗寒性初步评价研究[J].热带作物学报,2016,37(2):234-240.
[18]Smith A C.Flora vitiensis nova:a new flora of Fiji[M].Hawaii:National Tropical Botanical Garden,1979.
[19]郑玉忠,席嘉宾,杨中艺.中国竹节草野生种质资源调查及生物学特性研究[J].草业学报,2005,14(3):117-122.
[20]李合生.植物生理生化实验技术[M].北京:高等教育出版社,1999:123-212.
[21]周祖富,黎兆安.植物生理学实验指导[M].南宁:广西大学,2005:102-117.
[22]Zhang F,Yu J,Johnston C R,et al.Seed priming with polyethylene glycol induces physiological changes in Sorghum(Sorghum bicolor L.Moench)seedlings under suboptimal soil moisture environments[J].PLo S One,2015,10(10):1-15.
[23]Dan H F.Light-dependent herbicides:an overview[J].Weed Science,2000,48(2):160-170.
[24]Triantaphylidès C,Havaux M.Singlet oxygen in plants:production,detoxification and signaling[J].Trends in Plant Science,2009,14(4):219-228.
[25]Del B D,Ioli G,Nasini L,et al.A comparative study on the interference of two herbicides in wheat and Italian ryegrass and on their antioxidant activities and detoxification rates[J].Journal of Agricultural and Food Chemistry,2011,59(22):12109-12115.
[26]Rubinstein A,Colantonio L,Bardach A,et al.Estimation of the burden of cardiovascular disease attributable to modifiable risk factors and cost-effectiveness analysis of preventative interventions to reduce this burden in Argentina[J].BMC Public Health,2010,10(1):627.
[27]Peixoto F P,Gomes-Laranjo J,Vicenteet J A,et al.Comparative effects of the herbicides dicamba,2,4-D and paraquat on nongreen potato tuber calli[J].Journal of Plant Physiology,2008,165(11):1125-1133.