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Molecules 2010, 15(6), 4309-4323; doi:10.3390/molecules15064309

Phytotoxic Activities of Mediterranean Essential Oils

1 Departamento de Botânica, Instituto de Biociências de Botucatu, UNESP - Campu de Botucatu Distrito de Rubião Júnior, S/N, 18.618-000, Botucatu-SP, Brazil 2 Departamento de Ciências Biológicas, Faculdade de Ciências e Letras, UNESP – Universidade Estadual Paulista, Avenida Dom Antonio, 19806-900, Assis-SP, Brazil 3 Dipartimento di Scienze Farmaceutiche, Università degli Studi di Salerno, via Ponte Don Melillo, 84084 Fisciano (Salerno), Italy
* Author to whom correspondence should be addressed.
Received: 28 April 2010 / Revised: 9 June 2010 / Accepted: 11 June 2010 / Published: 14 June 2010
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Twelve essential oils from Mediterranean aromatic plants were tested for their phytotoxic activity, at different doses, against the germination and the initial radicle growth of seeds of Raphanus sativus, Lactuca sativa and Lepidium sativum. The essential oils were obtained from Hyssopus officinalis, Lavandula angustifolia, Majorana hortensis, Melissa officinalis, Ocimum basilicum, Origanum vulgare, Salvia officinalis and Thymus vulgaris (Lamiaceae), Verbena officinalis (Verbenaceae), Pimpinella anisum, Foeniculum vulgare and Carum carvi (Apiaceae). The germination and radicle growth of tested seeds were affected in different ways by the oils. Thyme, balm, vervain and caraway essential oils were more active against both germination and radicle elongation.
Keywords: essential oils; phytotoxicity; germination; seedling growth; monoterpenes essential oils; phytotoxicity; germination; seedling growth; monoterpenes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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De Almeida, L.F.R.; Frei, F.; Mancini, E.; De Martino, L.; De Feo, V. Phytotoxic Activities of Mediterranean Essential Oils. Molecules 2010, 15, 4309-4323.

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