| 重金属镉对互花米草生长及生理特性的影响 |
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| 引用本文： | 李佳枚,石贵玉,韦颖.重金属镉对互花米草生长及生理特性的影响[J].安徽农业科学,2011,39(4):2174-2176,2182. |
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| 作者姓名： | 李佳枚 石贵玉 韦颖 |
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| 作者单位： | 广西师范大学生命科学学院,广西桂林,541004 |
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| 摘 要： | 目的]探讨重金属镉对互花米草生长及生理特性的影响。方法]以互花米草（Spartina alternifloraLoisel.）为材料,通过河沙培养试验,研究了不同浓度镉胁迫对互花米草生长及生理特性的影响。结果]随着镉浓度的增大,互花米草的外部生长指标株高、叶长和叶宽和茎粗均在不同程度上与对照间存在显著差异。膜透性、丙二醛和脯氨酸均在镉浓度为0.3 mmol/L时存在低剂量效应,其后随镉浓度的增大而增大。超氧化物歧化酶、过氧化物酶和过氧化氢酶活性随镉浓度的增加也发挥到最大程度。结论]为环境修复提供了理论依据。
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| 关 键 词： | 镉 互花米草 生长 生理特性 |
Effects of Cadmium on Growth and Physiological Characteristics of Spartina alterniflora |
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| LI Jia-mei et al.Effects of Cadmium on Growth and Physiological Characteristics of Spartina alterniflora[J].Journal of Anhui Agricultural Sciences,2011,39(4):2174-2176,2182. |
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| Authors: | LI Jia-mei |
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| Institution: | LI Jia-mei et al(College of Life Science,Guangxi Normal University,Guilin,Guangxi 541004) |
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| Abstract: | Objective] The aim was to study the effects of cadmium on growth and physiological characteristics of Spartina alterniflora Loisel.Method] Taking Spartina alterniflora as tested material,effects of different concentrations of cadmium stresses on growth and physiological characteristics of Spartina alterniflora were studied through river sand cultivation experiment.Result] With the increase of cadmium concentration,some external growth indexes of Spartina alterniflora like plant height,leaf length,leaf wi... |
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| Keywords: | Cadmium Spartina alterniflora Growth Physiological characteristics |
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