The Effect of Argent Nanoparticles on Seed Germination of Pinus sylvestris in Soil and Aqueous Suspension

Document Type : Research Paper

Authors

1 M. Sc., Department of Soil Sciences, Karaj Branch, Islamic Azad University, Karaj, I.R. Iran

2 Assistant Professor, Department of Wood Sciences, Karaj Branch, Islamic Azad University, Karaj, I.R. Iran

3 Assistant Professor, Department of Soil Sciences, Soil and Water Research Institute, Karaj, I.R. Iran

Abstract

The potential environmental toxicity of argent nanoparticles (AgNP) was evaluated on germination
characteristics of Pinus silvystris seeds. Seeds were exposed to different concentration of argent
nanoparticles in soil and aqueous suspension (0, 10, 20, 40, 80 and 100 mg/kg soil and 0, 10, 20 mg/L
water). The seed germination percentage, the speed of seed germination and cell membrane stability
were calculated. The inhibitory effects of argent nanoparticles were observed for seed germination
percentage, the speed of seed germination and cell membrane stability at 80 mg/kg soil. Conversely,
the inhibitory effects were observed for seed germination characteristics in aqueous suspension at very
low concentrations (at 10 mg AgNP /L water). The obtained different results in soil and aqueous
suspension could be due to absorption and aggregation of argent nanoparticles in the soil, which can
modify their mobility, bioavailability and possibly their ecotoxicity. According to the results, further
researches are needed to identify the ecotoxicolgical effects of argent nanoparticles using abundantly
for industrial and common use.

Keywords

References

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