Abstract
Limonene, a major constituent of citrus essential oil isolated from abraded fresh peels of bitter orangeCitrus aurantium L., was tested for its toxicity against early 4th instar larvae ofCulex quinquefasciatus Say. The response of treated larvae was concentration-dependent and LC90s were 53.80 and 32.52 ppm after 24 and 48 h of treatment respectively. Limonene treated water was less favorable for oviposition by females ofCx. quinquefasciatus.
Zusammenfassung
Limonen, ein Hauptbestandteil von Citrusöl aus den Schalen der BitterorangeCitrus aurantium L. wurde auf seine Toxizität gegenüber den Viertlarven vonCx. quinquefasciatus getestet. Die Reaktion der Larven war konzentrationsabhängig. Die LC 90-Werte betrugen nach 24 Stunden 53,80 und 48 Stunden 32,52 ppm. Mit Limonen versetztes Wasser war für die Eiablage vonCx. quinquefasciatus weniger gut geeignet als Normalwasser.
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Kassir, J.T., Mohsen, Z.H. & Mehdi, N.S. Toxic effects of limonene againstCulex quinquefasciatus Say larvae and its interference with oviposition. Anz. Schadlingskde., Pflanzenschutz, Umweltschutz 62, 19–21 (1989). https://doi.org/10.1007/BF01905742
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DOI: https://doi.org/10.1007/BF01905742