Journal
COMPTES RENDUS BIOLOGIES
Volume 341, Issue 2, Pages 97-101Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crvi.2018.01.003
Keywords
Antifungal activity; Citrus limon L.; Wood diseases; Essential oil; Grapevine
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This study aimed to evaluate the in vitro antifungal activity (AA) of the essential oil (EO) of lemon (Citrus limon L.) against three pathogenic fungi attacking grapevine wood. The composition of the EO was also studied. Ten volatile components were identified by gas chromatography-mass spectrometry. The results showed that the EO consists of volatile components where monoterpene hydrocarbons are the most abundant ones. Four major components were identified, which represent 99.9% of the total EO (limonene, neral, beta-pinene, and gamma-terpinene). The AA of the EO was evaluated against three pathogenic fungi attacking grapevine wood (Eutypa sp., Botryosphaeria dothidea, and Fomitiporia mediterranea). The results showed that the EO exerts AA against all tested fungi and significantly inhibits their growth. Eutypa sp. is the most sensitive fungus. These results show, for the first time, a new use for the EO of lemon (C. limon L.) to control fungal diseases of grapevine wood. (C) 2018 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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