期刊
BIOLOGIA PLANTARUM
卷 51, 期 2, 页码 363-366出版社
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s10535-007-0075-z
关键词
cell wall; cytoplasm; scanning electron microscopy (SEM)
Allium cepa L. roots were exposed to 0.1 and 1.0 mM Cd for 6, 24 and 48 h and the localization of Cd in the root tissue was investigated. Scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDXA) were performed on frozen-dried tissues of roots. No Cd was detected in the roots treated with only 0.1 mM Cd, while after exposure to higher Cd concentration (1.0 mM) Cd was observed in cell wall and in cytoplasm in the epidermis, cortex and vascular tissues in the roots.
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