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Título

Control of Portulaca oleracea by boldo and lemon essential oils in different soils

AutorBlázquez, M. Amparo; Carbó Valverde, Ester
Palabras claveLemon essential oil
GC–MS
Germination
Portulaca oleracea
Herbicidal activity
Peumus boldus
Fecha de publicación3-ago-2015
EditorElsevier
CitaciónIndustrial Crops and Products 76: 515-521 (2015)
ResumenSoil characteristics influence plant growth and can affect the phytotoxicity of the essential oils. In this study chemical composition and herbicidal activity of Peumus boldus Mol. and lemon essential oils in different growing medium against Portulaca oleracea L. was investigated. Ninety-four compounds accounting between 95.5 and 99.8% of the total essential oil were identified by gas chromatography-mass spectrometry in boldo and lemon essential oils. Ascaridole (31.56. ±. 0.15%), p-cymene (21.58. ±. 0.09%) and 1,8-cineole (12.57. ±. 0.13%) were the main compounds in P. boldus whereas large amount of limonene (59.28%) followed of β-pinene (12.96%) and γ-terpinene (10.92%) were found in lemon essential oil. The herbicidal test showed that at 0.5 and 1. μL/mL of P. boldus essential oil the seed germination of P. oleraceae was completely inhibited in soilless culture. At relative lower concentration (0.250. μL/mL) P. boldus essential oil only showed significant effect in clay and sand textures, being the lowest concentration applied (0.125. μL/mL) effective in soils with more clay content. Lemon essential oil did not show any effect against P. oleracea seed germination in both soilless and soil cultures. The results suggest that P. boldus essential oil could be used as potential herbicide to control P. oleracea in different soil types. © 2015 Elsevier B.V.
Versión del editorhttps://doi.org/10.1016/j.indcrop.2015.07.019
URIhttp://hdl.handle.net/10261/140938
DOI10.1016/j.indcrop.2015.07.019
Identificadoresissn: 0926-6690
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