Co-application of EDDS and ZnO nanoparticles with TiO2Ag nanoparticles on rye

Abstract

The aim of this study was to determine the effects of nTiO₂Ag, co-application of nZnO and nTiO₂Ag and co-application of EDDS as an organic acid with nTiO₂Ag on seed germination, seedling vigor, plumule and radicle length of rye. Ten seeds were placed in petri-dishes with double layer of filter paper which used as an inert material. Then 5 mL nTiO₂Ag, nZnO-nTiO₂Ag and EDDS-nTiO₂Ag suspensions were added to every petri dish with different concentrations (control, 50, 100 and 200 mg/L). Treatment of nZnO-nTiO₂Ag, especially at concentration of 50 mg/L, promoted the germination rate, seedling vigor, plumule and radicle elongation. The highest seedling vigor index (SVI) was observed at concentration of 50 mg/L nZnO-nTiO₂Ag. Seedling vigor index of rye seeds was decreased after treatment of nTiO₂Ag. The plumule elongation increased with treatment of all test chemicals and radicle elongation was increased nZnO-nTiO₂Ag and EDDS-nTiO₂Ag exposure compared to control. This is the first report on the effect of co-application of ZnO-TiO₂Ag nanoparticles and co-application of EDDS-TiO₂Ag nanoparticles on rye growth.

Keywords

• Interaction,Seed germination,Titanium dioxide-silver,Zinc oxide

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