| 铅胁迫对黑麦草叶绿素和可溶性糖含量的影响 |
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| 引用本文： | 刘慧芹,沈高峰,梁宝发,康欣然.铅胁迫对黑麦草叶绿素和可溶性糖含量的影响[J].湖北农业科学,2012(3):556-558. |
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| 作者姓名： | 刘慧芹 沈高峰 梁宝发 康欣然 |
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| 作者单位： | 天津农学院园艺系;天津农学院高职学院 |
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| 基金项目： | 天津农学院大学生科技创新活动项目(2010),天津农学院教育改革项目(C-10-02) |
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| 摘 要： | 研究了在不同浓度铅(500、1 000、1 500 mg/kg)及不同处理时间(5、10、15 d)的作用下,黑麦草(Lolium perenne L.)幼苗体内的可溶性糖及叶绿素含量的变化。结果表明,黑麦草叶片在遭受到了铅胁迫后其可溶性糖含量发生明显变化,在较高浓度及较长时间处理下其可溶性糖的含量有着明显的增加。叶绿素a、b含量在处理时间为10 d时达到最高值,显著高于5 d和15 d时的含量;但在同一时间下,随铅浓度的增加,黑麦草叶片叶绿素a、b含量绝大多数无显著变化。在不同时间及不同铅浓度处理下,类胡萝卜素含量变化均不一致,但均没有显著的差异。
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| 关 键 词： | 黑麦草(Lolium perenne L.) 铅胁迫 可溶性糖 叶绿素 |
Effect of Lead Stress on Contents of Soluble Sugar and Clalorophyll in Perennial Ryegrass |
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| LIU Hui-qin,SHEN Gao-feng,LIANG Bao-fa,KANG Xin-ran.Effect of Lead Stress on Contents of Soluble Sugar and Clalorophyll in Perennial Ryegrass[J].Hubei Agricultural Sciences,2012(3):556-558. |
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| Authors: | LIU Hui-qin SHEN Gao-feng LIANG Bao-fa KANG Xin-ran |
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| Institution: | 1 (1.Department of Horticulture,Tianjin Agricultural University,Tianjin 300384,China; 2.High Vocational College,Tianjin Agricultural University,Tianjin 300380,China) |
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| Abstract: | The variation of the soluble sugar and clalorophyll content in the leaves of perennial ryegrass(Lolium perenne L.) seedlings were studied in different level of lead solution(500,1 000,1 500 mg / kg) and different treating time(5,10,15 d).The results showed that the content of soluble sugar in Lolium perenne leaves increased significantly with the extension of treating time.The contents of Chlorophyll a and b at the 10th day were significantly higher than which at the 5th and 15th day.With the increasing of lead concentration chlorophyll a and b showed no significant difference at the same treating time.The variation of carotenoid content were inconsistent and showed no significantly difference at different treating time and in different lead concentrations. |
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| Keywords: | perennial ryegrass(Lolium perenne L ) lead stress soluble sugar clalorophyll |
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