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Cu对大麦和玉米的毒性效应

Keywords: Cu,土壤污染,玉米,大麦,毒性效应

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Abstract:

通过发芽试验及幼苗生长试验研究了重金属Cu在5、10、25、50、100mg·L-1浓度下对大麦和玉米的生态毒性效应,比较分析了大麦和玉米对Cu胁迫的敏感性。结果表明:对于发芽试验,当Cu浓度在25~100mg·L-1时,处理组与对照组相比发芽率明显降低(P根伸长>叶绿素>根干重>发芽率>株高>地上生物量。与其他指标相比,可溶性蛋白指标对Cu胁迫最具有敏感性,可作为Cu污染的生物标记物。

References

[1]  Labra M,Fabio T Di,Grassi F,et al.AFLP analysis as biomarker of exposure to organic and inorganic genotoxic substances in plants[J].Chemosphere,2003,52:1183-1188.
[2]  国家环保局.中国环境保护21世纪议程[M].北京:中国环境科学出版社,1995.
[3]  朱荫湄,周启星.土壤污染与我国农业环境保护的现状、理论和展望[J].土壤通报,1999,30:132-135.
[4]  陈怀满.土壤-植物系统中的重金属污染[M].北京:科学出版社,1996.
[5]  孔繁祥.环境生物学[M].北京:高等教育出版社,2002.
[6]  孙铁珩,周启星,李培军.污染生态学[M].北京:科学出版社,2000.
[7]  周启星.复合污染生态学[M].北京:中国环境科学出版社,1995.
[8]  Theodorakis C W.Integration of genotoxic and population genetic endpoints in biomonitoring and risk assessment[J].Ecotoxicology,2001,10(4):245-256.
[9]  潘瑞炽,懂愈得.植物生理学.第3版[M].北京.高等教育出版社,1995.35.
[10]  Briat LR,Lebrun M.Plant response to metal toxicity[J].Plant Biology and Pathology,1999,322:43-54.
[11]  倪才英.铜对紫云英根系生长发育的影响[J].江西师范大学学报(自然科学版),2000,24(2):176-180.
[12]  戴灵鹏,柯文山,陈建军,等.重金属铜对红菜苔(Brassica campestris L.var.purpurea Baileysh)的生态毒理效应[J].湖北大学学报(自然科学版),2004,26(2):160-164.
[13]  Peralta J R,Gardea-Torresdey J L,Tiemann K J,et al.Uptake and effects of five heavy mentals on seed gemination and plant growth in Alfalfa (Medicago Sativa L.)[J].Bull Environ Contam Toxicol,2001,66:727-734.
[14]  刘宛,李培军,周启星,等.短期菲胁迫对大豆幼苗超氧化物歧化酶活性及丙二醛含量的影响[J].应用生态学报,2003,14(4):581-584.
[15]  Bradford M.A rapid and sensitive method for the quantization of microgram quantities of protein utilizing the principle of protein dye binding[J].Anal Biochem,1976,68:248-254.
[16]  张宪征,谭桂茹,黄元极,等.植物生理学实验技术[M].沈阳:辽宁科学技术出版社,1989.312-313.
[17]  Badr Alaoui-Sosse,Patricia Genet,Florence Vinit-Dunand,et al.Effect of copper on growth in cucumber plants (Cucumis sativus) and its relationships with carbohydrate accumulation and changes in ion contents[J].Plant Science,2004,166:1213-1218.
[18]  Helen Panou-Filotheou,Artemios M.Bosabalidis.Root structural aspects associated with copper toxicity in oregano (Origanum vulgare subsp.hirtum)[J].Plant Science,2004,166:1497-1504.
[19]  Singh P K,Tewari R K.Cadmium toxicity induced changes in plant water relations and oxidative metabolism of Brassica juncea L.plants[J].EnvironBiol,2003,24(1):107-112.
[20]  Mosleh Y Y,Ismail S M,Ahmed M T,et al.Comparative texicity and biochemical responses of certain pesticides to the mature earthworm Aporrectodea caliginosa under laboratory conditions[J].Environ Toxicol,2003,18(5):338-46.
[21]  Nathalie A L M,hassinen V H,Hakvoort H W J,et al.Enhanced Copper tolerance in Silene vulgaris (Moench) garcke populations from Copper mines is associated with increased transcript levels of a 2btype metallothionein gene[J].Plant Physiol,2001,126:1519-1526.
[22]  Ouzounidou G.Copper-induced changes on growth,metal content and photosynthetic function of Alyssum Montanan plants[J].Environ Experi Botan,1994,34(2):165-172.
[23]  黄玉山,邱国华.紫矛抗铜和敏感品种在发育早期对铜离子反应的差异[J].应用与环境生物学报,1998,4(2):126-131.
[24]  李建宏,邰子厚,曾昭琪.Cu2+对蓝澡Spinilina Maxima光合作用的抑制机理[J].植物生理学报,1997,23(1):77-82.
[25]  王新,梁仁禄,周启星.土壤外源汞污染对大豆幼苗生长的影响研究[J].农业环境保护,2001,20(2):74-77.

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