Herbicidal Activity of Thymbra capitata (L.) Cav. Essential Oil

Amira Jouini, Alessandra Carrubba, Adele Salamone, Mónica Berbegal, Mercedes Verdeguer, Adela M. Sánchez-Moreiras, María Amparo Blázquez, Luz Cabeiras-Freijanes, Natalia Torres-Pagan, Marta Muñoz, Pablo Chinchilla, Lois Regueira-Marcos, Adele Salamone, Amira Jouini, Susana García-Plasencia, Santo Agnello

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2 Citations (Scopus)


The bioherbicidal potential of Thymbra capitata (L.) Cav. essential oil (EO) and its main compound carvacrol was investigated. In in vitro assays, the EO blocked the germination and seedling growth of Erigeron canadensis L.,Sonchus oleraceus (L.) L., and Chenopodium album L. at 0.125 μL/mL, of Setaria verticillata (L.) P.Beauv., Avena fatua L., and Solanum nigrum L. at 0.5 μL/mL, of Amaranthus retroflexus L. at 1μL/mL and of Portulaca oleracea L., and Echinochloa crus-galli (L.) P.Beauv. at 2μL/mL. Under greenhouse conditions, T. capitata EO was tested towards the emergent weeds from a soil seedbank in pre and post emergence, showing strong herbicidal potential in both assays at 4μL/mL. In addition, T. capitata EO, applied by spraying, was tested against P. oleracea, A. fatua and E. crus-galli. The species showed different sensibility to the EO, being E. crus-galli the most resistant. Experiments were performed against A. fatua testing T. capitata EO and carvacrol applied by spraying or by irrigation. It was verified that the EO was more active at the same doses in monocotyledons applied by irrigation and in dicotyledons applied by spraying. Carvacrol effects on Arabidopsis root morphology were also studied.
Original languageEnglish
Pages (from-to)1-31
Number of pages31
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemistry (miscellaneous)
  • Molecular Medicine
  • Pharmaceutical Science
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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