In vitro antifungal activity of the tea tree (Melaleuca alternifolia) essential oil and its major components against plant pathogens

V. Terzi; C. Morcia; P. Faccioli; G. Valè; G. Tacconi; M. Malnati

doi:10.1111/j.1472-765X.2007.02128.x

In vitro antifungal activity of the tea tree (Melaleuca alternifolia) essential oil and its major components against plant pathogens

V. Terzi, C. Morcia, P. Faccioli, G. Valè, G. Tacconi, M. Malnati

IRCCS Ospedale San Raffaele

Research output: Contribution to journal › Article › peer-review

Abstract

Aims: The aim of this study was to examine the effect of Melaleuca alternifolia essential oil (TTO) and its principal components on four cereal-pathogenic fungi. Methods and Results: The antimycotic properties of TTO and of terpinen-4-ol, γ-terpinen and 1,8-cineole (eucalyptol) were evaluated in vitro on Fusarium graminearum, Fusarium culmorum and Pyrenophora graminea. Moreover, barley leaves infected with Blumeria graminis were treated with whole TTO. All the tested fungi were susceptible to TTO and its components. Conclusions: TTO exerted a wide spectrum of antimycotic activity. Single TTO purified components were more active than the whole oil in reducing in vitro growth of fungal mycelium and, among the tested compounds, terpinen-4-ol was the most effective. Significance and Impact of the Study: TTO and its components can be considered potential alternative natural fungicides.

Original language	English
Pages (from-to)	613-618
Number of pages	6
Journal	Letters in Applied Microbiology
Volume	44
Issue number	6
DOIs	https://doi.org/10.1111/j.1472-765X.2007.02128.x
Publication status	Published - Jun 2007

Keywords

Barley
Blumeria graminis f. sp. hordei
Essential oil
Fusarium culmorum
Fusarium graminearum
Melaleuca alternifolia
Pyrenophora graminea

ASJC Scopus subject areas

Applied Microbiology and Biotechnology
Water Science and Technology
Fluid Flow and Transfer Processes
Microbiology
Ecology

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abstract = "Aims: The aim of this study was to examine the effect of Melaleuca alternifolia essential oil (TTO) and its principal components on four cereal-pathogenic fungi. Methods and Results: The antimycotic properties of TTO and of terpinen-4-ol, γ-terpinen and 1,8-cineole (eucalyptol) were evaluated in vitro on Fusarium graminearum, Fusarium culmorum and Pyrenophora graminea. Moreover, barley leaves infected with Blumeria graminis were treated with whole TTO. All the tested fungi were susceptible to TTO and its components. Conclusions: TTO exerted a wide spectrum of antimycotic activity. Single TTO purified components were more active than the whole oil in reducing in vitro growth of fungal mycelium and, among the tested compounds, terpinen-4-ol was the most effective. Significance and Impact of the Study: TTO and its components can be considered potential alternative natural fungicides.",

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AU - Terzi, V.

AU - Morcia, C.

AU - Faccioli, P.

AU - Valè, G.

AU - Tacconi, G.

AU - Malnati, M.

PY - 2007/6

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AB - Aims: The aim of this study was to examine the effect of Melaleuca alternifolia essential oil (TTO) and its principal components on four cereal-pathogenic fungi. Methods and Results: The antimycotic properties of TTO and of terpinen-4-ol, γ-terpinen and 1,8-cineole (eucalyptol) were evaluated in vitro on Fusarium graminearum, Fusarium culmorum and Pyrenophora graminea. Moreover, barley leaves infected with Blumeria graminis were treated with whole TTO. All the tested fungi were susceptible to TTO and its components. Conclusions: TTO exerted a wide spectrum of antimycotic activity. Single TTO purified components were more active than the whole oil in reducing in vitro growth of fungal mycelium and, among the tested compounds, terpinen-4-ol was the most effective. Significance and Impact of the Study: TTO and its components can be considered potential alternative natural fungicides.

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KW - Pyrenophora graminea

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In vitro antifungal activity of the tea tree (Melaleuca alternifolia) essential oil and its major components against plant pathogens

Abstract

Keywords

ASJC Scopus subject areas

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