biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 44:105-109, 2001 | DOI: 10.1023/A:1017982607493

Effects of Copper on Root Growth, Cell Division, and Nucleolus of Zea Mays

W. Jiang1, D. Liu2, X. Liu2
1 Library, Tianjin Normal University, Tianjin, P.R. China
2 Department of Biology, College of Chemistry and Life Sciences, Tianjin Normal University, Tianjin, P.R. China

The effects of different concentrations (10-5 - 10-2 M) of copper sulfate on root growth, cell division and nucleoli in root tip cells of Zea mays L. were investigated. 10-5 M Cu stimulated root growth, but at higher concentrations (10-4 - 10-2 M) inhibited it. Cu had toxic effects on chromosomal morphology: c-mitosis, anaphase bridges, and chromosome stickiness were induced. Some nuclei had irregular shape and particles extruded from nucleoli to nuclei and finally from the nuclei into the cytoplasm.

Keywords: chromosomal morphology; maize; mitosis; nucleus
Subjects: chromosomal morphology, structure; copper, accumulation in roots and shoots; maize; mitosis, root growth, copper; root growth, copper, cell division; Zea mays

Published: March 1, 2001  Show citation

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Jiang, W., Liu, D., & Liu, X. (2001). Effects of Copper on Root Growth, Cell Division, and Nucleolus of Zea Mays. Biologia plantarum, 44(1), 105-109. doi: 10.1023/A:1017982607493
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