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Revista Colombiana de Ciencias Hortícolas
Article . 2018 . Peer-reviewed
License: CC BY NC SA
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Revista Colombiana de Ciencias Hortícolas
Article
License: CC BY NC SA
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Actividad biocida del aceite esencial de Lippia origanoides H.B.K. (Verbenaceae) sobre Rhizoctonia solani: in vitro

Authors: Danita Andrade-Díaz; Diana Chaves-Morillo; Andrés Hurtado-Benavides; David Álvarez-Sánchez;

Actividad biocida del aceite esencial de Lippia origanoides H.B.K. (Verbenaceae) sobre Rhizoctonia solani: in vitro

Abstract

Rhizoctonia solani es un hongo que afecta la producción de tubérculos y vigor de las plantas de papa Solanum tuberosum L. Las consecuencias ambientales que genera su control han impulsado la búsqueda de alternativas menos contaminantes, en donde los aceites esenciales tienen gran potencial. El arbusto silvestre Lippia origanoides H.B.K. (Verbenaceae) ha sido estudiado por sus propiedades fungicidas en su extracto esencial, por ello, el objetivo de esta investigación fue evaluar la actividad biocida del aceite esencial de L. origanoides sobre R. solani en condiciones in vitro. La extracción del aceite se realizó mediante arrastre con vapor. La composición química se determinó por cromatografía de gases-espectrometría de masas (GC-MS) y la actividad biocida del aceite se evaluó mediante la técnica de dilución en medio de cultivo, complementando los resultados con la técnica de bioautografía, la cual permitió identificar al timol como el compuesto mayoritario del aceite (60,7%) y responsable de la inhibición del hongo. La concentración 110 µL mL-1 limitó el crecimiento de R. solani al afectar sus estructuras, con ello se demostró el efecto biocida del aceite esencial y el potencial agente antifúngico natural.

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Keywords

cromatografía en capa fina, thymol, thin-layer chromatography, orégano, oregano, timol, Solanum tuberosum

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
gold