| 马建伟，邹杰，刘卫国.克里雅河芦苇对不同土壤环境的生理响应[J].广东农业科学,2015,42(14):126-131 |
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克里雅河芦苇对不同土壤环境的生理响应 |
| Physiological responses of Phragmites communis todifferent soil environments in Keriya River |
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| DOI： |
| 中文关键词: 生理响应 芦苇 土壤环境 克里雅河 |
| 英文关键词: physiological response Phragmites communis soil environment Keriya River |
| 基金项目: |
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| 摘要点击次数: 1734 |
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| 中文摘要: |
| 以克里雅河流域的芦苇（Phragmites communis）为研究对象，研究在不同土壤环境下克里雅河流域荒
漠植物的生理适应性，分析芦苇的生物量、叶绿素、可溶性糖、丙二醛（MDA）含量、过氧化物酶（POD）活性等生理
指标的变化特征，并使用通径分析方法研究对芦苇生理指标产生影响的因子。结果表明：芦苇受到盐胁迫和干旱
胁迫时，生物量积累会受到抑制，相比绿洲土，盐泽土中的生物量减少60%，风沙土减少18.8%；但芦苇会提高地
下生物量所占比重来适应胁迫环境，风沙土中芦苇的地下生物量所占比重达78.5%。芦苇的生理指标主要受土壤
水盐因子的影响，叶绿素含量、可溶性糖含量和POD 活性主要受水分的影响，蛋白质、脯氨酸和MDA 含量主要
受盐分的影响；在受到胁迫时，叶绿素含量、蛋白质含量、POD 活性减小，可溶性糖、脯氨酸和MDA 含量增加。 |
| 英文摘要: |
| In order to study the physiological adaptability of desert plants living in Keriya River under different
soil environments, this paper took Phragmites communis as the research object, analyzed the feature changes of
physiological indicators including biomass, chlorophyll, soluble sugar, malondialdehyde (MDA) content, peroxidase
(POD) activity, and researched the factors affecting physiological indices of P. communis by using path analysis. The
results showed that, coerced by salt and drought stress, the biomass accumulation of P. communis was inhibited.
Compared with oasis soil, biomass of salt marshes soil decreased by 60%, and the reduction was 18.8% in sandy soil.
But P. communis could adapt stress environment by increasing the proportion of underground biomass, the proportion of
underground biomass of P. communis in sandy soil reached 78.5%. The physiological indicators of P. communis were
mainly affected by soil water and salinity, chlorophyll content, soluble sugar content and POD activity were mainly
affected by moisture, and protein content, proline and MDA content were mainly affected by salinity. Under stress,
chlorophyll content, protein content, POD activity decreased, while soluble sugar content, proline content, MDA content
increased. Plants would adapt the changes of salinity and water in soil by such kinds of regulatory mechanism |
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