Effects of silicon oxide nanoparticles on growth and physiology of wheat seedlings

Effects of silicon oxide nanoparticles on growth and physiology of wheat seedlings The effects of silicon oxide (SiO2) nanoparticles at concentrations of 50, 100, 200, 400, and 800 mg/L on Triticum aestivum L. seedlings were investigated. We showed that SiO2 nanoparticles, at concentrations higher 200 mg/L, had negative impacts on wheat seedlings. At these concentrations, SiO2 nanoparticles significantly decreased roots and shoots fresh weight, decreased roots and shoots dry weight, decreased amounts of chlorophyll a and b in leaves, decreased amount of carotenoids in leaves, increased proline content in leaves, increased lipid peroxidation in leaves, and increased catalase activity in leaves. Results of this study indicate that at lower concentrations (such as 50 and 100 mg/L), SiO2 nanoparticles not only have negative effects on wheat seedlings, but can have even some positive effects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effects of silicon oxide nanoparticles on growth and physiology of wheat seedlings

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443716010106
Publisher site
See Article on Publisher Site

Abstract

The effects of silicon oxide (SiO2) nanoparticles at concentrations of 50, 100, 200, 400, and 800 mg/L on Triticum aestivum L. seedlings were investigated. We showed that SiO2 nanoparticles, at concentrations higher 200 mg/L, had negative impacts on wheat seedlings. At these concentrations, SiO2 nanoparticles significantly decreased roots and shoots fresh weight, decreased roots and shoots dry weight, decreased amounts of chlorophyll a and b in leaves, decreased amount of carotenoids in leaves, increased proline content in leaves, increased lipid peroxidation in leaves, and increased catalase activity in leaves. Results of this study indicate that at lower concentrations (such as 50 and 100 mg/L), SiO2 nanoparticles not only have negative effects on wheat seedlings, but can have even some positive effects.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Feb 16, 2016

References

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