Biological control of Citrus brown spot pathogen, "Alternaria alternata" by different essential oils.

Autor:	Grati Affes, Taycir, Chenenaoui, Synda, Zemni, Hassen, Hammami, Majdi, Bachkouel, Sarra, Aidi Wannes, Wissem, Nasraoui, Bouzid, Saidani Tounsi, Moufida, Lasram, Salma
Předmět:	LEAF microbiology THERAPEUTIC use of essential oils ANTIFUNGAL agents IN vitro studies COMBINATION drug therapy IN vivo studies ESSENTIAL oils TERPENES CULTURE media (Biology) FUNGI PLANT diseases RISK assessment DRUG synergism ALCOHOLS (Chemical class) CITRUS
Zdroj:	International Journal of Environmental Health Research; Aug2023, Vol. 33 Issue 8, p823-836, 14p, 2 Color Photographs, 2 Charts, 2 Graphs
Abstrakt:	The antifungal effects of laurel, myrtle and peppermint essential oils and their combinations were investigated in vitro on two strains of Alternaria alternata mycelial growth and in vivo on detached Citrus leaf disease incidence. Myrtle essential oil was rich in α-pinene and 1,8-cineole while peppermint essential oil in menthol and menthone. 1,8-Cineole was the main component of the essential oils from laurel, laurel + myrtle and peppermint + laurel. The combined peppermint and myrtle essential oil was characterized by the predominance of menthol and 1,8-cineole. All tested essential oils, incorporated in potato-dextrose agar, inhibited A. alternata mycelial growth and had a fungistatic effect at concentration 3 mg/mL of medium. A great synergism was detected between peppermint and laurel essential oils against the two strains of A. alternata. The combined laurel and peppermint essential oil reduced mycelial growth rates of inoculated detached leaves at concentration above 1.5 mg/mL. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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