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Revista mexicana de ciencias agrícolas
versión impresa ISSN 2007-0934
Resumen
LOPEZ LOPEZ, Edgar et al. Fungistasis of essential oil extracted from a Tagetes lucida population of Hidalgo, México. Rev. Mex. Cienc. Agríc [online]. 2018, vol.9, n.2, pp.329-341. ISSN 2007-0934. https://doi.org/10.29312/remexca.v9i2.1075.
The T. lucida species known as ‛pericón’, is a natural resource of Mexico whose essential oil has antifungal properties, although not all the phytopathogenic fungi have been explored the effect that this vegetable substance can cause. From a population collected in Atotonilco the Grande, Hidalgo, Mexico, essential oil was obtained by hydrodistillation with 0.2% yield; using the CG-EM technique, eight different components were identified in the oil, but the abundant ones were estragole (48%) and anethole (35%). The in vitro antifungal activity of the essential oil against Aspergillus niger, Fusarium oxysporum, Penicillium janthinellum and Rhizoctonia solani was also evaluated by means of the agar diffusion technique, performing two experiments: the first testing concentrations of 0, 0.1 and 1% and in the second 0, 2 and 3%. The concentration of 1% reduced the mycelial growth 46% for F. oxysporum, 39% in R. solani, 21% in A. niger and 16% in P. janthinellum; however, in high concentrations of oil, such as 3%, only in R. solani was the greatest reduction in mycelial growth observed (72%).
Palabras llave : Tagetes lucida; essential oil; antifungal activity; chemical composition.