Antifungal efficacy of plant essential oil nanoemulsions against cucumber powdery mildew.

ABSTRACT: Plant essential oil nanoemulsions (PEO-NEs) offer a sustainable alternative to synthetic fungicides for managing plant diseases. This study evaluated the antifungal efficacy of PEO-NEs derived from seven medicinal plants against cucumber powdery mildew. In vitro experiments revealed that PEO-NEs from Satureja khuzistanica (savory), Cymbopogon citratus (lemongrass), and Syzygium aromaticum (clove) at 1, 2, and 3 g/l significantly inhibited conidia germination by 83%, 74%, and 83%, respectively, while PEO-NEs from pine, thyme, eucalyptus, and peppermint were ineffective. Comparatively, synthetic fungicides Topas and Stroby showed lower inhibition rates of 75% and 65%. Greenhouse trials demonstrated that savory, lemongrass, and clove PEO-NEs at 3 g/l reduced disease severity by 54.05%, 40.54%

SUBMITTER: Abbasi AT 

PROVIDER: S-EPMC12623425 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature