ZnO nanoparticles synthesized by chemical precipitation to increase germination and bioactive compounds in sprouts of Raphanus sa-tivus L.

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Magdalena Galindo Guzmán https://orcid.org/0000-0001-8169-4398
Manuel Fortis Hernández https://orcid.org/0000-0002-7374-8779
Pablo Preciado Rangel https://orcid.org/0000-0002-3450-4739
Alma Patricia Galindo Guzmán https://orcid.org/0000-0001-6327-1279

Keywords

Raphanus sativus, Nanofertilizer, Zinc oxide

Resumen

Objective: To examine how priming radish (Raphanus sativus L.) sprouts with zinc oxide nanoparticles (NPs-ZnO) affects their germination, photosynthetic pigments, phenolic compounds, and zinc content.


Design/methodology/approach: We evaluated five NPs-ZnO treatments and a control sample with four replications under a completely randomized design.


Results: Sprouts treated with NPs-ZnO showed increased germination variables, photosynthetic pigments, phenolic compounds, and zinc content as compared to untreated radish sprouts.


Study limitations/implications: It is hard to establish a response model for the effects of NPs since their shape, size, surface charge, chemical composition, and concentration may have a differentiated impact on seed germination.


Findings/conclusions: Using NPs-ZnO could be an effective way to enrich crops, since the passage of Zn through plant tissues will cause an accumulation of this micronutrient.

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