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In vitro exposure of magnesium oxide nanoparticles negatively regulate the growth of Vigna radiata

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Abstract

Nanoparticles (NPs) have the potential to transform agriculture affecting plant growth and production. We explored the effect of magnesium oxide NPs (MgO-NPs) on mungbean (Vigna radiata). NPs negatively regulated the growth of mungbean at all the tested concentrations. Reduction in the morphological parameters and fresh biomass content was observed in the MgO-NPs treated mungbean. A considerable decrease in the chlorophyll levels and carbohydrate accumulation was noticed on MgO-NPs treatment. NPs mediated decrease in enzymatic and non-enzymatic levels led to reduced antioxidant potential of mungbean. Moreover, MgO-NPs considerably reduced the protein content and bioavailability. The present study hence, demonstrates the MgO-NPs mediated down-regulation of mungbean growth. However, the plant responses to MgO-NPs depend upon the plant under investigation and cannot be extrapolated to other plants. Therefore, to identify the use of MgO-NPs as nanofertilizers, more plant types need to be investigated for morphological or biochemical alterations on NPs exposure.

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Acknowledgements

Authors acknowledge University managements to provide necessary facilities to carry out research.

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Priya Sharma contributed to investigation and writing—original draft. Vineet Kumar contributed to conceptualization, methodology, writing—review and editing, and supervision. Praveen Guleria contributed to conceptualization, methodology, writing—review and editing, and supervision.

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Correspondence to P. Guleria.

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The authors declare that there is no conflict of interest.

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Editorial responsibility: Xu Han.

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Sharma, P., Kumar, V. & Guleria, P. In vitro exposure of magnesium oxide nanoparticles negatively regulate the growth of Vigna radiata. Int. J. Environ. Sci. Technol. 19, 10679–10690 (2022). https://doi.org/10.1007/s13762-021-03738-9

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  • DOI: https://doi.org/10.1007/s13762-021-03738-9

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