Selección de aislamientos de trichoderma spp. Para el control del cáncer bacteriano (Clavibacter michiganensis subsp. Michiganensis) del tomate (Lycopersicum esculentum mill.)

Raquel Guerrero; Cecilia Mónaco; Marina Stocco; Jorgelina Rolleri; Norma Guerrero

doi:10.59410/RACYT-v06n01ep02-0076

Autores/as

Raquel Guerrero Universidad Técnica Estatal de Quevedo
Cecilia Mónaco National University of La Plata
Marina Stocco National University of La Plata
Jorgelina Rolleri National University of La Plata
Norma Guerrero Universidad Técnica Estatal de Quevedo

DOI:

https://doi.org/10.59410/RACYT-v06n01ep02-0076

Palabras clave:

Bacteriano, trichiderma tomate

Resumen

En la presente investigación se evaluaron aislamientos de Trichoderma spp., obtenidos de plantaciones de tomate de la zona hortícola de La Plata (Buenos Aires, Argentina), para controlar el desarrollo in vitro de Clavibacter michiganensis subsp. michiganensis agente causal del cáncer bacteriano del tomate. Utilizando un medio selectivo para Trichoderma spp. se obtuvieron nueve aislamientos de Trichoderma spp. a partir de muestras de suelo usando la técnica de dilución seriada. A través de una prueba in vitro se evaluó su capacidad para suprimir e inhibir el crecimiento del patógeno, encontrándose que todos ellos suprimían el crecimiento de la bacteria en medio de cultivo entre 14 y 16%, y sólo uno de ellos (aislamiento A4) inhibió aproximadamente en un 15,76% el desarrollo de la bacteria. Los aislamientos de T. harzianum obtenidos a partir de suelo de plantaciones de tomate de la Plata tienen potencial para actuar frente a infecciones causadas por C. m. subsp. michiganensis en el cultivo de tomate a nivel de invernáculo.

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