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首页> 外文期刊>Israel Journal of Plant Sciences >Effects of boron ions on root growth and cell division of broadbean (Vicia faba L.).
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Effects of boron ions on root growth and cell division of broadbean (Vicia faba L.).

机译:硼离子对蚕豆根生长和细胞分裂的影响。

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摘要

The effects of different concentrations of boric acid on root growth and cell division of Vicia faba were studied. The concentrations of boric acid (H3BO3) used were in the range of 10-6-10-1 M. The results indicated that boric acid has a stimulatory effect on root growth at concentrations of 10-6-10-3 M, and an inhibitory effect at higher concentrations. Boric acid has toxic effects on the root tip cells during mitosis, such as colchicine mitoses, chromosome bridges, chromosome fragments, chromosome stickiness, and micronuclei.
机译:研究了不同浓度的硼酸对蚕豆根系生长和细胞分裂的影响。所用的硼酸(H3BO3)浓度在10-6-10-1 M范围内。结果表明,硼酸在10-6-10-3 M的浓度下对根生长具有刺激作用,而在较高浓度下有抑制作用。硼酸在有丝分裂过程中对根尖细胞有毒性作用,例如秋水仙碱有丝分裂,染色体桥,染色体片段,染色体粘性和微核。

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