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...

不同Cd水平对小白菜生长及其营养元素含量的影响

Keywords: Cd,小白菜,营养元素,生长

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用温室内液体培养方法,研究了不同Cd水平对2种小白菜(BrassicachinensisL.)沪青1号、杭州油冬儿的生长及营养元素含量影响。结果表明,培养液中添加Cd抑制了2种小白菜生长及叶绿素含量;2种小白菜地上部及根中的Cd含量随营养液中Cd浓度的增加而极显著增加,且植株从培养液中吸收的Cd大部分积累在根中。Cd影响小白菜对营养元素吸收和转运,但这种影响随着元素、植株部位的不同及Cd离子在介质中浓度的不同而不同,不同品种间也存在一定的差异。

References

[1]  Shah K, Dubey R S. Cadmium elevates level of protein, amino acids and alters activity of proteolytic enzymes in germinating rice seeds [J]. Acta Physiol Plant, 1998, 20: 189-196.
[2]  Zhang G P, Fukami M, Sekimoto H. Genotypic differences in effects of cadmium on growth and nutrient compositions in wheat [J]. JPlant Nutr,2000, 9: 1337-1350.
[3]  Obata H, Umebayashi M. Effects of cadmium on mineral nutrient concentrations in plants differing in tolerance for cadmium [J]. J Plant Nutr,1997, 20(1): 97-105.
[4]  Zhang G P, Fukami M, Sekimoto H. Influence of cadmium on mineral concentrations and components in wheat genotypes differing in Cd tolerance at seedling stage [J]. Field Crops Res, 2002, 77: 93-98.
[5]  Wu F B, Zhang G P, Dominy P. Four barley genotypes respond differently to cadmium: lipid peroxidation and activities of antioxidant capacity [J]. Environ Expri Bot, 2003, 50: 67-78.
[6]  Moreno-Caselles J, Moral R, Pérez-Espinosa A et al. Cadmium accumulation and distribution in cucumber plant[J]. J Plant Nutri, 2000, 23(2): 243-250.
[7]  Bogess S F, Willavize S, Koeppe D E. Differential response of soybean cultivars to soil cadmium [J]. Agron J, 1978, 70: 756-760.
[8]  Grant C A, Buckley W T, Bailey L D, et al. Cadmium accumulation in crops [J].Can JPlant Sci, 1998, 78: 1-17.
[9]  Hernández L E, Carpena-Ruiz R, Gárate A. Alteration in the mineral nutrition of pea seedlings exposed to cadmium[J]. J Plant Nutr, 1996, 19(12): 1581-1598.
[10]  Simon L. Cadmium accumulation and distribution in sunflower plant [J]. JPlant Nutr, 1998, 21(2): 341-352.
[11]  Costa G, Morel J L. Efficiency of H+-ATPase activity on cadmium uptake by four cultivars of lettuce [J]. JPlant Nutr, 1994, 17: 627-637.
[12]  Burzynski M. The uptake and accumulation of phosphorous and nitrates and the activity of nitrate reductase in cucumber seedlings treated with Pb and Cd [J]. Acta Soc Bot Poi, 1988, 57: 349-359.
[13]  Trivedi S, Erdei L. Effects of cadmium and lead on the accumulation of Ca2+and K+ and on the influx and translocation of K+ in wheat of low and high K+ status [J]. Physiol Plant, 1992, 84: 94-100.
[14]  Dudka S, Piotrowska M, Terelak H. Transfer of cadmium, lead and zinc from industrially contaminated soil to crop plants: a field study [J]. Environ Pollution, 1996, 94: 181-188.
[15]  Ramos I, Esteban E, Lucena J J et al. Cadmium uptake and subcellular distribution in plants of Lactuca sp. Cd-Mn interaction[J]. Plant Sci,2002, 162: 761-767.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133