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Evaluation of the effect of SiO2 and Fe3O4 nanoparticles on Pisum sativum seeds in laboratory and field experiments

Galaktionova, L. V.; Lebedev, S. V.; Terekhova, N. A.; Voskobulova, N. I.; Korotkova, A. M.; Vershinina, I. A.

2020-09-01 plant biology
10.1101/2020.08.31.275859 bioRxiv
Show abstract

The present study assessed the toxic effects and prospects of using nanoparticles of SiO2 and Fe3O4 by studying the influence of pre-sowing priming of Pisum sativum L. seeds with a suspension of nanoparticles of SiO2 and Fe3O4 in a concentration range of 10-2 to 10-5 mg/l. The results demonstrated the stimulating effect of the SiO2 suspension (10-3 mg/l and 10-4 mg/l) and the mix of Fe3O4+SiO2 at the corresponding concentrations of 10-3 mg/l and 10-4 mg/l on the length of roots and seedlings, and the increase in the viability of plant cells under the influence of a stress factor (based on Evans blue staining). Field experience has shown the ambiguous effect of nano-printing of seeds on plant productivity.

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