Chemical composition, antifungal and herbicidal effects of essential oil isolated from Chersodoma Argentina (Asteraceae) |
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| Authors: | Alarcón Rosana Ocampos Soledad Pacciaroni Adriana Sosa Virginia |
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| Institution: | Facultad de Ciencias Naturales, Universidad Nacional de Salta (UNSa), 4400 Salta, Argentina. ralarcon@unsa.edu.ar |
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| Abstract: | Analysis of the hydrodistilled essential oil of the aerial parts of Chersodoma argentina Cabrera by GC-MS and NMR spectroscopy revealed that over 80% consisted of monoterpene hydrocarbons such as alpha-thujene, alpha-pinene and beta-pinene. Contact and headspace volatile exposure assays of the essential oil demonstrated antifungal activity against Sclerotinia sclerotiorum, Sclerotium rolfsii and Rhizoctonia solani with the contact assay showing greater activity than the headspace assay. Herbicidal activity was shown by reduced root growth of Allium porrum, Solanum lycopersicon and Sorghum halepense in both assays. |
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