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Comparative Study of the Chemical Profiling and Insecticidal Activity of Two Essential Oils from Algerian Artemisia Species (A. campestris L. and A. herba-alba Asso)
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Abstract:
This study was conducted to compare the chemical composition of Artemisia campestris L.
and Artemisia herba-alba Asso essential oils from Algeria and their fumigant toxicity against olive
fly, Bactrocera oleae Rossi. Their chemical characterization by gas chromatography coupled with
mass spectrometry (GC/MS) showed that A. campestris has a β-pinene chemotype (28.89%) while A.
Herba-alba was characterized by the presence of davanone (22.03%), an oxygenated sesquiterpene,
followed by eucalyptol (20.99%) as an oxygenated monoterpene. Both essential oils caused significant
insect mortality through fumigant toxicity. The lowest value of lethal concentration, LC50, was 65.62
μL/L air, observed in A. herba-alba after 48 h. While, LC50 of A. campestris essential oil was 140.63
μL/L air in 48h. Both species of Artemisia have fumigant potential against the olive fly, but in A.
herba-alba, it was stronger than in A. campestris.
Bentham Science Publishers Ltd.
Title: Comparative Study of the Chemical Profiling and Insecticidal Activity of Two Essential Oils from Algerian Artemisia Species (A. campestris L. and
A. herba-alba Asso)
Description:
Abstract:
This study was conducted to compare the chemical composition of Artemisia campestris L.
and Artemisia herba-alba Asso essential oils from Algeria and their fumigant toxicity against olive
fly, Bactrocera oleae Rossi.
Their chemical characterization by gas chromatography coupled with
mass spectrometry (GC/MS) showed that A.
campestris has a β-pinene chemotype (28.
89%) while A.
Herba-alba was characterized by the presence of davanone (22.
03%), an oxygenated sesquiterpene,
followed by eucalyptol (20.
99%) as an oxygenated monoterpene.
Both essential oils caused significant
insect mortality through fumigant toxicity.
The lowest value of lethal concentration, LC50, was 65.
62
μL/L air, observed in A.
herba-alba after 48 h.
While, LC50 of A.
campestris essential oil was 140.
63
μL/L air in 48h.
Both species of Artemisia have fumigant potential against the olive fly, but in A.
herba-alba, it was stronger than in A.
campestris.
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