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- Title
Actividad antifúngica in vitro del aceite esencial de ajo (Allium sativum L.) contra Alternaria tenuissima.
- Authors
Dolores Muy-Rangel, María; Rosario Osuna-Valle, Jesús; Saúl García-Estrada, Raymundo; San Martín-Hernández, Cesar; Addí Quintana-Obregón, Eber
- Abstract
Due to the environmental problems generated by the chemical control of phytopathogenic fungi, it is necessary to look for alternatives for their control. The essential oil of garlic may be a viable alternative for the control of A. tenuissima. In this study, the volatile compounds of garlic essential oil were analyzed by Gas Chromatography-Mass Spectrometry. Radial growth in vitro and biomass of A. tenuissima in presence of the garlic essential oil. Diallyl disulphide and diallyl sulphide were identified in 23.64 and 20.33%, respectively, among other compounds in a smaller proportion. At a concentration of 1000 ppm, the radial growth and biomass production were inhibited 100 and 86.20%, respectively, it compared with control PDA-Tween® 80 without oil. The medium and minimum inhibitory concentrations obtained for A. tenuissima were 229 and 1, 023 ppm, respectively. The spore germination of the fungus was inhibited 88.89% with medium minimum concentration and 94.17% with minimum inhibitory concentration. Garlic essential oil showed antifungal capacity against A. tenuissima, inhibiting spore germination, radial growth and biomass production.
- Publication
Revista Mexicana de Fitopatología, 2018, Vol 36, Issue 1, p162
- ISSN
0185-3309
- Publication type
Article
- DOI
10.18781/R.MEX.FIT.1708-3