Role of Bacillus licheniformis in promoting growth and early development of tomato (Solanum lycopersicum var. Cherry) seedlings
DOI:
https://doi.org/10.17268/Palabras clave:
Biostimulant, germination, root development, beneficial microorganisms, sustainable agriculture, plant growth promotionResumen
The cherry tomato (Solanum lycopersicum var. Cherry) has become a high-value horticultural crop due to its organoleptic properties, nutritional contribution, and adaptability to diverse production systems. However, during the initial stages of development, it faces multiple biotic and abiotic challenges that negatively affect its yield. In this study, the effect of the microbial inoculant Bacillus licheniformis as a plant growth promoter (PGPR) on cherry tomato seedlings was evaluated. For this purpose, a controlled trial was conducted, applying a selected strain of B. licheniformis to the substrate and seeds, while key agronomic variables were measured, such as germination percentage, seedling height, root length, number of true leaves, and aerial and root biomass. The results showed significant differences (p < 0.05) between treatments with and without inoculation, highlighting a 94% increase in germination, enhanced root development, and greater biomass accumulation in treated seedlings. These effects are attributed to the production of phytohormones, nutrient solubilization, and potential synthesis of bioactive metabolites by the strain used. In conclusion, B. licheniformis demonstrates high potential as a biostimulant in the early stages of cherry tomato cultivation, representing a viable biotechnological alternative to promote more efficient and sustainable plant development.
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Derechos de autor 2026 Angel Virgilio Cedeño Moreira, Gregorio Humberto Vásconez Montufar, Milton Fernando Cabezas Guerrero, Ronald Oswaldo Villamar-Torres
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