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    Effects of Nano-Cerium Oxide on Seed Germination and Seedling Growth of Vitex negundo

    Zi Yang, Shixian Fan, Xuehan Wei, Zhiming Zhang, Xin Gui*, Yong Zhao*

    Phyton-International Journal of Experimental Botany, Vol.89, No.4, pp. 893-903, 2020, DOI:10.32604/phyton.2020.013644

    Abstract Cerium oxide nanoparticles (CeO2NPs) are likely to have dramatic impacts on plant performances, yet the effects of CeO2NPs on seed germination and seedling growth have not been fully explored. In this study, the seed germination and seedling growth of subshrub species Vitex negundo under different concentrations of CeO2NPs (low-1 mg/L, medium-100 mg/L, high-500 mg/L) have been discussed. Results showed that: (1) The seed germination rate reduces by 11.25% and 2.5% under the low and medium concentrations of CeO2NPs, respectively, but increased by 7.08% under the high concentration; (2) CeO2NPs had significant effects on the growth traits (root length, shoot height… More >

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