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Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina / Sandra V. Clemente in The journal of essential oil research, Vol. 20 N°5 (Septembre/Octobre 2008) 

Public ISBD [article]  in The journal of essential oil research > Vol. 20 N°5 (Septembre/Octobre 2008) . - pp. 383-385 Titre : Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina Type de document : texte imprimé Auteurs : Sandra V. Clemente, Auteur ; Graciela Mareggiani, Auteur ; Berta E. Juárez, Auteur Année de publication : 2008 Article en page(s) : pp. 383-385 Note générale : Génie Chimique Langues : Anglais (eng) Note de contenu : Errata ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700036 [article] Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina [texte imprimé] / Sandra V. Clemente, Auteur ; Graciela Mareggiani, Auteur ; Berta E. Juárez, Auteur . - 2008 . - pp. 383-385. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 20 N°5 (Septembre/Octobre 2008) . - pp. 383-385 Note de contenu : Errata ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700036

Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina / Sandra V. Clemente in The journal of essential oil research, Vol. 20 n°3 (Mai/Juin 2008) 

Public ISBD [article]  in The journal of essential oil research > Vol. 20 n°3 (Mai/Juin 2008) . - pp. 276-278 Titre : Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina Type de document : texte imprimé Auteurs : Sandra V. Clemente, Auteur ; Graciela Mareggiani, Auteur ; Berta E. Juárez, Auteur Année de publication : 2008 Article en page(s) : pp. 276-278 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Gutierrezia  repens  Gutierrezia  mandonii  Asteraceae  Essential  oil  composition  Sabinene  β-pinene  (6R,7R)-  bisabolone  Ceratitis  capitata  Insecticidal  activity Résumé : The insecticidal activities of essential oils (EO), the remaining water phase (RW) from the hydrodistillation, and the dichloromethane and methanolic extracts from Gutierrezia repens Griseb. and Gutierrezia mandonii (Sch. Bip.) Solbrig were evaluated. The GC and GC/MS analyses of the oils resulted in the identification of 52 compounds from G. mandonii and 17 compounds from G. repens comprising 88.7% and 98.5% of the oils, respectively. Sabi- nene (0–13.1%), β-pinene (6.4–17.8%) limonene (0.7–13.3%), (E)-β-ocimene (1.3–7.0%), terpinen-4-ol (0.7–4.1%), spathulenol (0–4.1%) and, the isomers (6R,7R)-bisabolone (6.6–58.0%) and (6S,7R)-bisabolone (0–1.6%) were the main components of the oils. Mortality and development delays of Ceratitis capitata larvae, reared using a treated artificial diet, were recorded. Gutierrezia mandonii methanolic extracts and the oil produced lethal effects (p≤0.05). Methanolic and dichloromethane extracts, the oil and the remaining water from distillation (RW) produced sublethal effects. Meanwhile dichloromethane and methanolic extracts, the oil and RW from G. repens resulted in significant mortality (p≤0.05), and all causing also significant development delays. The required concentration of G. repens oil to avoid development in 50% of C. capitata larvae (EC50) was significantly lower than G. mandonii. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700011 [article] Insecticidal activity of the essential oil and extracts of gutierrezia mandonii and G. repens (Asteraceae) growing in Argentina [texte imprimé] / Sandra V. Clemente, Auteur ; Graciela Mareggiani, Auteur ; Berta E. Juárez, Auteur . - 2008 . - pp. 276-278. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 20 n°3 (Mai/Juin 2008) . - pp. 276-278 Mots-clés : Gutierrezia  repens  Gutierrezia  mandonii  Asteraceae  Essential  oil  composition  Sabinene  β-pinene  (6R,7R)-  bisabolone  Ceratitis  capitata  Insecticidal  activity Résumé : The insecticidal activities of essential oils (EO), the remaining water phase (RW) from the hydrodistillation, and the dichloromethane and methanolic extracts from Gutierrezia repens Griseb. and Gutierrezia mandonii (Sch. Bip.) Solbrig were evaluated. The GC and GC/MS analyses of the oils resulted in the identification of 52 compounds from G. mandonii and 17 compounds from G. repens comprising 88.7% and 98.5% of the oils, respectively. Sabi- nene (0–13.1%), β-pinene (6.4–17.8%) limonene (0.7–13.3%), (E)-β-ocimene (1.3–7.0%), terpinen-4-ol (0.7–4.1%), spathulenol (0–4.1%) and, the isomers (6R,7R)-bisabolone (6.6–58.0%) and (6S,7R)-bisabolone (0–1.6%) were the main components of the oils. Mortality and development delays of Ceratitis capitata larvae, reared using a treated artificial diet, were recorded. Gutierrezia mandonii methanolic extracts and the oil produced lethal effects (p≤0.05). Methanolic and dichloromethane extracts, the oil and the remaining water from distillation (RW) produced sublethal effects. Meanwhile dichloromethane and methanolic extracts, the oil and RW from G. repens resulted in significant mortality (p≤0.05), and all causing also significant development delays. The required concentration of G. repens oil to avoid development in 50% of C. capitata larvae (EC50) was significantly lower than G. mandonii. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2008.9700011