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Adsorption and incorporation of the zinc oxide nanoparticles in seeds of corn: germination performance and antimicrobial protection

( Vol-5,Issue-5,May 2018 ) OPEN ACCESS
Author(s):

Cristiane Segatto, Raquel Ternus, Marina Junges, Josiane Maria Muneron de Mello, Gean Lopes da Luz, Humberto Gracher Riella, Luciano Luiz Silva, Cristiano Reschke Lajús, Márcio Antônio Fiori

Keywords:

Zinc oxide nanoparticles, treatment of seeds of corn, treatment with nanoparticles, improve of germinations indicators.

Abstract:

The treatments of the seeds are important procedures applied by the agronomical area to improve the culture yield. From these procedures the micronutrients are available for the seeds before and during the germination stages. One high challenge is make efficient these treatment processes and to ensure the adsorption and the incorporation of these micronutrients in the seeds and to improve its performance in the germination phase. In this work studies explored the optimization of the incorporation process and the characteristics of the zinc oxide clusters adsorbed on the surface of the seed. The results were associated with the agronomic responses during the germinations stages of the seeds of corn. The seeds were treated in suspensions containing different concentrations of nanoparticles of zinc oxide and during different treatment times. The adsorptions in the corn surface and the absorption of the nanoparticles for the inner of the seeds were studied together with its antibacterial characteristics and correlated with the germinations indicators. The results showed that is possible to incorporate nanoparticles of zinc oxide in inner of the seeds of corn and improve the germinations indicators. Antibacterial protection was aggregated on the seeds of corn. It´s possible to incorporate 0.280 mg of zinc oxide nanoparticle per seed mass in inner of seeds with the optimal treatment conditions with nanoparticle concentration of 50 mg/L in the suspension and with treatment time of 180 minutes. With the optimal treatment concentration the normal plant percentage increase of 2.70% in relationship to the seeds not treated.

ijaers doi crossref DOI:

10.22161/ijaers.5.5.37

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