Zinc oxide-silver nanoparticles synthesized with plant extracts against Alternaria solani

Authors

  • Ileana Vera Reyes Departamento de Biociencias y Agrotecnología-Centro de Investigación en Química Aplicada. Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila, México. CP. 25294
  • Luis Gerardo Sarmiento-López Unidad de Investigación en Ambiente y Salud-Universidad Autónoma de Occidente. Unidad Regional Los Mochis, Sinaloa, México. CP. 81223
  • Joaquín Antonio Merlín-Trujillo Departamento de Fitomejoramiento-Universidad Autónoma Agraria Antonio Narro. Calz. Antonio Narro núm. 1923, Saltillo, Coahuila, México. CP. 25315
  • Hermila Trinidad García-Osuna Departamento de Fitomejoramiento-Universidad Autónoma Agraria Antonio Narro. Calz. Antonio Narro núm. 1923, Saltillo, Coahuila, México. CP. 25315
  • Luis Alfonso García-Cerda Departamento de Materiales Avanzados-Centro de Investigación en Química Aplicada. Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila, México. CP. 25294

DOI:

https://doi.org/10.29312/remexca.v16i30.4040

Keywords:

Antifungals, zinc nanoparticles, zinc-silver nanoparticles

Abstract

Pathogen control has traditionally been addressed through the use of synthetic fungicides, generating adverse effects on the environment and agricultural production systems. In contrast, plant extracts contain bioactive compounds that modulate the development of phytopathogens. In addition, their synergistic effect with nanoparticles offers a promising and sustainable strategy for their application in agriculture. The objective was to use plant extracts from Flourensia cernua, Larrea tridentata and Lippia graveolens to synthesize zinc and zinc-silver nanoparticles and evaluate their antifungal effect against Alternaria solani. The nanoparticles synthesized at 400 °C from each extract had particle sizes less than 30 nm and an irregular hemispherical morphology, which was confirmed by X-ray diffraction and scanning electron microscopy techniques. The best inhibition effect and the greatest reduction in spore production of the strains were observed with the nanoparticles generated using 1 000 mg L-1 of the L. graveolens extract, which inhibited 65% of growth and reduced spore production by 66% compared to the control. Adding silver to the nanoparticles significantly improved the ability to inhibit spore production, reaching 78% inhibition. These results suggested that zinc and zinc-silver nanoparticles, obtained from plant extracts, represent a promising alternative for the control of phytopathogenic fungi, and contribute to the reduction of the environmental impact associated with the excessive use of synthetic fungicides.

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References

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Published

2025-10-16

How to Cite

Vera Reyes, Ileana, Luis Gerardo Sarmiento-López, Joaquín Antonio Merlín-Trujillo, Hermila Trinidad García-Osuna, and Luis Alfonso García-Cerda. 2025. “Zinc Oxide-Silver Nanoparticles Synthesized With Plant Extracts Against Alternaria Solani”. Revista Mexicana De Ciencias Agrícolas 16 (30). México, ME:e4040. https://doi.org/10.29312/remexca.v16i30.4040.

Issue

No. 30 (2025): Especial

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Articles

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