ArticlePest management science2025
Monoterpenoids from Artemisia austriaca essential oil disrupt hormone-mediated reserve mobilization to suppress Avena fatua seed germination.
Article in Pest management science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe search for safe and effective alternatives to synthetic herbicides is crucial for sustainable agriculture. Essential oils and their bioactive monoterpenoids are promising candidates owing to their potent phytotoxic properties. This study aimed to characterize the essential oil of Artemisia austriaca, investigate the absorption of its main components, camphor and 1,8-cineole, into Avena fatua (wild oat) seeds, and elucidate the mechanisms responsible for germination inhibition.
resultsThe essential oil of A. austriaca was dominated by camphor (26.22%) and 1,8-cineole (20.15%). These monoterpenoids were absorbed by A. fatua seeds, inhibiting germination in a concentration-dependent manner. Their mode-of-action involved disruption of hormonal balance, significantly decreasing the gibberellic acid level (by ≤46.22% at 150 μg mL
conclusionCamphor and 1,8-cineole inhibit germination by disrupting hormonal signaling and blocking the metabolic pathways required for the mobilization of reserves in seeds. These findings clarify the specific phytotoxic mechanisms of these compounds, highlighting their potential as effective bioherbicides. This research advances the development of natural, eco-friendly alternatives for sustainable weed management. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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