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Type: Artigo de periódico
Title: Control of Colletotrichum gloeosporioides (penz.) Sacc. In yellow passion fruit using Cymbopogon citratus essential oil
Author: Anaruma, Nina Duarte
Schmidt, Flávio Luís
Duarte, Marta Cristina Teixeira
Figueira, Glyn Mara
Delarmelina, Camila
Benato, Eliane Aparecida
Sartoratto, Adilson
Abstract: The use of antibiotics in agriculture is limited when compared to their applications in human and veterinary medicine. On the other hand, the use of antimicrobials in agriculture contributes to the drug resistance of human pathogens and has stimulated the search for new antibiotics from natural products. Essential oils have been shown to exert several biological activities including antibacterial and antifungal actions. The aim of this study was to determine the activity of 28 essential oils from medicinal plants cultivated at CPMA (Medicinal and Aromatic Plants Collection), CPQBA/UNICAMP, against Colletotrichum gloeosporioides (Penz.) Sacc., the anthracnose agent in yellow passion fruit (Passiflora edulis Sims f. flavicarpa Deg), as well as evaluating their effect in the control of post-harvest decay. The oils were obtained by water-distillation using a Clevenger-type system and their minimal inhibitory concentrations (MIC) determined by the micro-dilution method. According to the results, 15 of the 28 essential oils presented activity against Colletotrichum gloeosporioides, and the following four oils presented MIC values between 0.25 and 0.3 mg/mL: Coriandrum sativum, Cymbopogon citratus, Cymbopogon flexuosus and Lippia alba. The evaluation of Cymbopogon citratus essential oil in the control of post-harvest decay in yellow passion fruit showed that the disease index of the samples treated with the essential oil did not differ (P < 0.05) from that of the samples treated with fungicide. The present study shows the potential of Cymbopogon citratus essential oil in the control of the anthracnose agent in yellow passion fruit.
Subject: yellow passion fruit
Colletotrichum gloeosporioides
antimicrobial activity
minimal inhibitory concentration
Editor: Sociedade Brasileira de Microbiologia
Rights: aberto
Identifier DOI: 10.1590/S1517-83822010000100012
Date Issue: 1-Mar-2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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