EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINSTColletotrichum acutatum OF ESSENTIAL OILS OF THYME (Thymus vulgaris), LEMONGRASS (Cymbopogon citratus), AND ITS MAIN CONSTITUENTS

Anthracnose of tree tomato, caused by the fungus Colletotrichum acutatum, is the major postharvest disease of this crop in Colombia due to its widespread distribution and economic loss. In the present work, antifungal activity against C. acutatum specie with the essential oils (EO) of thyme (Thymus...

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Autores principales:	Diego A. ALZATE O., Gonzalo I. MIER M., Lucia AFANADOR K., Diego L. DURANGO R., Carlos M. GARCÍA P.
Formato:	article
Lenguaje:	EN
Publicado:	Universidad de Antioquia 2009
Materias:	Cymbopogon citratus Thymus vulgaris Cyphomandra betacea citral timol anthracnose Food processing and manufacture TP368-456 Pharmaceutical industry HD9665-9675
Acceso en línea:	https://doaj.org/article/8fab9d353120414fb883abbf0423da14
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spelling	oai:doaj.org-article:8fab9d353120414fb883abbf0423da142021-11-19T04:16:09ZEVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS0121-40042145-2660https://doaj.org/article/8fab9d353120414fb883abbf0423da142009-05-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/vitae/article/view/1433https://doaj.org/toc/0121-4004https://doaj.org/toc/2145-2660Anthracnose of tree tomato, caused by the fungus Colletotrichum acutatum, is the major postharvest disease of this crop in Colombia due to its widespread distribution and economic loss. In the present work, antifungal activity against C. acutatum specie with the essential oils (EO) of thyme (Thymus vulgaris), lemon grass (Cymbopogon citratus), and the main components of the EO, thymol and citral, is evaluated. Experimental result indicates that thymol at a concentration of 125 mg/L and citral at 300 mg/L, inhibits completely the mycelial growth during eleven days. Spore germination is affected 100% with lemon grass oil at 350 and 400 mg/L, thymol at 100 and 125 mg/L, and citral at 250 and 300 mg/L, during the period of evaluation of twelve hours. In addition, thymol at 125 mg/L and citral at 300 mg/L, inhibits completely the sporulation of the fungus whereas thyme oil at 350 mg/L shows a lower degree of affectation. Phytotoxicity evaluations of all materials by applying drops located at the leaf surface of Solanum betacea to concentrations between 150 and 5000 mg/L, demonstrate that treatments do not induce any apparent damage. Also, foliar spraying complete and systematically every 2 days, for the period of 2 months with constant concentration of 1500 mg/L for each evaluated materials, produces no sign of wilting, deteriorating growth or alteration of the overall development of the plants. Diego A. ALZATE O.Gonzalo I. MIER M.Lucia AFANADOR K.Diego L. DURANGO R.Carlos M. GARCÍA P.Universidad de AntioquiaarticleCymbopogon citratusThymus vulgarisCyphomandra betaceacitraltimolanthracnoseFood processing and manufactureTP368-456Pharmaceutical industryHD9665-9675ENVitae, Vol 16, Iss 1 (2009)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cymbopogon citratus Thymus vulgaris Cyphomandra betacea citral timol anthracnose Food processing and manufacture TP368-456 Pharmaceutical industry HD9665-9675
spellingShingle	Cymbopogon citratus Thymus vulgaris Cyphomandra betacea citral timol anthracnose Food processing and manufacture TP368-456 Pharmaceutical industry HD9665-9675 Diego A. ALZATE O. Gonzalo I. MIER M. Lucia AFANADOR K. Diego L. DURANGO R. Carlos M. GARCÍA P. EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
description	Anthracnose of tree tomato, caused by the fungus Colletotrichum acutatum, is the major postharvest disease of this crop in Colombia due to its widespread distribution and economic loss. In the present work, antifungal activity against C. acutatum specie with the essential oils (EO) of thyme (Thymus vulgaris), lemon grass (Cymbopogon citratus), and the main components of the EO, thymol and citral, is evaluated. Experimental result indicates that thymol at a concentration of 125 mg/L and citral at 300 mg/L, inhibits completely the mycelial growth during eleven days. Spore germination is affected 100% with lemon grass oil at 350 and 400 mg/L, thymol at 100 and 125 mg/L, and citral at 250 and 300 mg/L, during the period of evaluation of twelve hours. In addition, thymol at 125 mg/L and citral at 300 mg/L, inhibits completely the sporulation of the fungus whereas thyme oil at 350 mg/L shows a lower degree of affectation. Phytotoxicity evaluations of all materials by applying drops located at the leaf surface of Solanum betacea to concentrations between 150 and 5000 mg/L, demonstrate that treatments do not induce any apparent damage. Also, foliar spraying complete and systematically every 2 days, for the period of 2 months with constant concentration of 1500 mg/L for each evaluated materials, produces no sign of wilting, deteriorating growth or alteration of the overall development of the plants.
format	article
author	Diego A. ALZATE O. Gonzalo I. MIER M. Lucia AFANADOR K. Diego L. DURANGO R. Carlos M. GARCÍA P.
author_facet	Diego A. ALZATE O. Gonzalo I. MIER M. Lucia AFANADOR K. Diego L. DURANGO R. Carlos M. GARCÍA P.
author_sort	Diego A. ALZATE O.
title	EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
title_short	EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
title_full	EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
title_fullStr	EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
title_full_unstemmed	EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS
title_sort	evaluation of phytotoxicity and antifungal activity against<i>colletotrichum acutatum</i> of essential oils of thyme (<i>thymus vulgaris</i>), lemongrass (<i>cymbopogon citratus</i>), and its main constituents
publisher	Universidad de Antioquia
publishDate	2009
url	https://doaj.org/article/8fab9d353120414fb883abbf0423da14
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EVALUATION OF PHYTOTOXICITY AND ANTIFUNGAL ACTIVITY AGAINST<I>Colletotrichum acutatum</I> OF ESSENTIAL OILS OF THYME (<I>Thymus vulgaris</I>), LEMONGRASS (<I>Cymbopogon citratus</I>), AND ITS MAIN CONSTITUENTS

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