Abstract
Objective: To assess in vitro activity of essential oil of Cymbopogon citratus against Fusarium equiseti associated with yam cultivation in the department of Sucre. Materials and Methods: Two municipalities, Corozal and Tolu, each extraction of essential oils (AE) was performed, from dry and fresh leaves were sampled. 1 ppm, 1.000 ppm, 2.000 ppm, 3.000 ppm and 4.000 ppm were tested, and the percent inhibition of the fungal Colonies Forming Units (CFU) was determined. Findings: The concentration of 4.500 ppm for all oils had the highest percentages of inhibition, with a confidence level of 95%. AE Corozal, fresh tossed lower concentrations for MIC and MCF. The chromatographic profile of the four essential oils showed the presence of terpenoids, such as citral, linalool, myrcene and β-Pinene, in which demonstrated antimicrobial and antifungal activity compounds. Application: The use of essential oil of Cymbopogon citratus, is established as an alternative future potential for management and control field tuber rot caused by Fusariumequiseti in growing yams. Keywords: Essential Oil, Inhibition, Phytopathogen, Yam
Highlights
The yam is a crop of great economic importance, e specially for the countries located in the tropics, their production and consumption on a larger scale occurs in countries such as Africa, Asia, Oceania and South Americans as Colombia, Brazil, Venezuela, Dominican Republic and Puerto Rico[1]
Studies have shown that the essential oil of Cymbopogon citratus suppresses the growth of several species of Fusarium[5], which allows us to propose the use of this metabolite to combat the disease
The objective of this study was to evaluate in vitro activity of essential oil of C. citratus against Fusariumquiseti, associated with yam cultivation in the department of Sucre, which allows us to propose the use of this metabolite to combat the disease
Summary
The yam is a crop of great economic importance, e specially for the countries located in the tropics, their production and consumption on a larger scale occurs in countries such as Africa, Asia, Oceania and South Americans as Colombia, Brazil, Venezuela, Dominican Republic and Puerto Rico[1]. Research into finding alternative mechanisms to achieve sustainable production and are in turn environmentally friendly In this search, one method that has attracted important in recent years is the use of essential oils, plant secondary metabolites, which have been shown to have antifungal activity on various pathogens, including Fusarium fungi which are characterized by attack crops aggressively postharvest. Studies have shown that the essential oil of Cymbopogon citratus suppresses the growth of several species of Fusarium[5], which allows us to propose the use of this metabolite to combat the disease. The objective of this study was to evaluate in vitro activity of essential oil of C. citratus against Fusariumquiseti, associated with yam cultivation in the department of Sucre, which allows us to propose the use of this metabolite to combat the disease
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