Volume 6, Issue 19 (vol.6,no. 19, Year 2017 2018)                   j.plant proc. func. 2018, 6(19): 323-336 | Back to browse issues page


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Mohtadi A, Ebrahimi L. The effect of calcium on the absorption and accumulation of Cd and Zn in Matthiola flavida Boiss.. j.plant proc. func.. 2018; 6 (19) :323-336
URL: http://jispp.iut.ac.ir/article-1-575-en.html

Assistant Prof. Yasouj University , a.mohtadi@yu.ac.ir
Abstract:   (429 Views)

The pollution caused by the presence of heavy metals in the air, water and soil is one of the world's ecological problems. In this study, the effect of different concentrations of calcium on the absorption and accumulation of Cd and Zn in M. flavida from Brassicacea was studied. For this purpose, concentrations of 100, 400 and 1600 µM calcium and 1, 5 and 10 µM Cd and 10, 20 and 40 Zn was used. This survey was conducted as factorial experiment based on a complete randomized design. The seeds are grown in pit and seedlings in the two-leaf stage were transferred to hydroponic culture and using a Hoagland solution was watered for two weeks. Two weeks after treatment with these metals, root length, shoot and root dry weight, chlorophyll content, leaf area, relative water and metal accumulated in the plants were measured. The results showed that by increasing the concentration of calcium decreased the toxicity of Cd and Zn. In 1600 µM calcium and 1 µM of Cd was observed longest root but with increasing cadmium, root length decreased. The shoot and root dry weight, chlorophyll content, leaf area and plant relative water content decreased with increasing concentration of Cd. The amount of Cd accumulated in the shoot and root showed that with increasing concentrations of Cd in the medium increased the accumulation of this element by the plant. Generally calcium reduced the toxicity of Cd and Zn.

Full-Text [PDF 822 kb]   (128 Downloads)    
Type of Study: Research | Subject: Toxic ions stress
Received: 2016/03/1 | Accepted: 2016/08/20 | Published: 2017/03/12

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