Inhibitory Effect of Oregano and Laurel Essential Oils and Their Main Components on Seed Germination of Some Weed and Crop Species

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dc.contributor.authorTursun, Nihat
dc.contributor.authorIşıkber, Ali Arda
dc.contributor.authorAlma, Mehmet Hakkı
dc.contributor.authorBozhüyük, Ayşe Usanmaz
dc.date.accessioned2026-06-19T06:24:35Z
dc.date.available2026-06-19T06:24:35Z
dc.date.issued2022
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractThe essential oils from oregano (Origanum syriacum L.) and laurel (Laurus nobilis L.), and their main components, namely, carvacrol, 1,8-cineole and α-pinene, were tested to determine their inhibitory effects on the seed germinations of three different weeds [redroot amaranth (Amaranthus retroflexus L.), wild licorice (Glycyrrhiza glabra L.), curled dock (Rumex crispus L.) and cutleaf ground-cherry (Physalis angulata L.)] and three crops [(wheat (Triticum aestivum L.), corn (Zea mays L.) and cotton (Gossypium hirsitum L.)]. Gas chromatography/mass spectroscopy (GC-MS) analysis showed that 1,8-cineole and carvacrol were the major components of laurel and oregano essential oils, respectively. An in-vitro bioassay seed germination test showed that oregano essential oil and carvacrol completely inhibited the germination of weeds at all the concentrations ranging from 1 to 5 µl/Petri dish, while seed germination of test weeds significantly decreased with increasing of the concentrations of laurel essential oil and its main components, 1,8-cineol and α-pinene ranging from 5 to 20 µl/Petri dish. Oregano essential oil and carvacrol were totally ineffective on cotton and corn germination (except for the concentration of 5 µl/Petri dish of cavracrol), whereas they had a strong inhibitory activity against wheat seeds. On the other hand, the laurel essential oil and its main component, 1,8-cineole, showed less selective action on test crop species. It could be concluded that volatile oil from O. syriacum and its main component, cavracrol, possessed a strong inhibitory effect on germination of the weeds and was totally selective action on some crops, and could be utilized as bioherbicide for future weed management programmes.
dc.identifier.dergipark1276272
dc.identifier.endpage281
dc.identifier.issn2458-8377
dc.identifier.issn2458-8377
dc.identifier.issue2
dc.identifier.startpage275
dc.identifier.urihttps://hdl.handle.net/20.500.12899/4635
dc.identifier.volume36
dc.language.isoen
dc.publisherSelcuk University
dc.relation.ispartofSelcuk Journal of Agriculture and Food Sciences
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_DergiPark_20260612
dc.subjectEssential oil
dc.subjectGermination
dc.subjectLaurel
dc.subjectOregano
dc.subjectWeed seeds
dc.titleInhibitory Effect of Oregano and Laurel Essential Oils and Their Main Components on Seed Germination of Some Weed and Crop Species
dc.typeArticle

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