AI Article Synopsis
- The study investigated the antifungal effects of laurel, myrtle, and peppermint essential oils on the mycelial growth of Alternaria alternata and on Citrus leaf disease.
- Myrtle oil contained α-pinene and 1,8-cineole, while peppermint oil was rich in menthol and menthone, with laurel oil primarily composed of 1,8-cineole.
- The essential oils effectively inhibited fungal growth at a concentration of 3 mg/mL, with a notable synergistic effect observed when peppermint and laurel oils were combined, significantly reducing mycelial growth on infected leaves at concentrations above 1.5 mg/mL.
Article Abstract
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.
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| http://dx.doi.org/10.1080/09603123.2022.2055748 | DOI Listing |
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