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Investigating long-term effect of nanoparticles on growth of Raphanus sativus plants: a trans-generational study

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Abstract

In the past decade, there has been an unprecedented growth in the application of nanoparticles (NPs) worldwide. Even though the acute toxicity of CuO and ZnO NPs to plants has been investigated in past, the trans-generational effects of these NPs in the environment are still unknown. In this study, we investigated whether the treatment of radish plants with CuO and ZnO NPs as single compound and as a binary mixture (10, 100 and 1000 mg/Kg soil) through their lifecycle would affect the seed quality and the development of second-generation seedlings or not. Results showed reduced root length, shoot length and biomass in F1 seedlings of NPs treated plants. The treated F1 seeds had smaller seed weight with accumulated Cu and Zn. The effect of toxic interaction between CuO and ZnO on plant growth was antagonistic in nature. Evaluation of the trans-generational impact is important to understand the long-term effect of NPs on the environment.

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Acknowledgements

The authors would like to thank Indian Institute of Technology (IIT Delhi) and Council of Scientific & Industrial Research (CSIR, India) for help in conducting this study.

Funding

Council of Scientific & Industrial Research (CSIR, India) funded this study (grant number: Sr. No. 1121020571 Ref. No: 19-12/2010 (i) EU-IV).

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Correspondence to Arun Kumar.

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DS has received research grants from CSIR, India. AK has not received any research grant for this work. The authors declare that they have no competing interests.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Singh, D., Kumar, A. Investigating long-term effect of nanoparticles on growth of Raphanus sativus plants: a trans-generational study. Ecotoxicology 27, 23–31 (2018). https://doi.org/10.1007/s10646-017-1867-3

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  • DOI: https://doi.org/10.1007/s10646-017-1867-3

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