| 摘要: |
| 目的研究芹菜叶对铅的吸收和铅的迁移情况.方法建立无铅水培体系,采用微波法消解芹菜各部组织样品,最后用原子吸收分光光度计测定铅含量.结果叶片可吸收铅并向叶柄和根等器官输送.含量随吸收时间增加而增加.在本实验中铅含量由高到低的排序为叶＞叶柄＞根.结论本试验建立了无铅水培体系,并采用叶面喷铅溶液的方法研究了叶面对铅的吸收及迁移,为植物叶片吸收铅及铅在植物中迁移的研究提供了方法及依据. |
| 关键词: 铅 芹菜 叶面吸收 迁移 |
| DOI： |
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| 修订日期：2005-05-13 |
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| The Distribution and Migration of Pb in Celery Leaves |
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| Abstract: |
| Objective To study the absorption and migration of Pb in celery leaves. Methods The healthy and equalsized celery plants were chosen and grown in the none-Pb nutrient solution. Pb solution was sprayed on the celery leaves. The tissue samples of celery wer |
| Key words: Pb celery leaves absorption migration |
