Journal of Vector Ecology (2006) 31, 118-122

Huseyin Cetin and Atila Yanikoglu (2006)
A study of the larvicidal activity of Origanum (Labiatae) species from southwest Turkey
Journal of Vector Ecology 31 (1), 118-122
Abstract: The insecticidal activity of essential oils isolated from two species of Origanum (Origanum onites L. and Origanum minutiflorum (O. Schwarz and P.H. Davis) (Labiate)) was investigated against 3rd and 4th instar larvae of the mosquito, Culex pipiens L. (Diptera: Culicidae). The LC50 and LC90 values were 24.8 and 61.3 ppm, and 73.8 and 118.9 ppm, respectively. This activity was attributed to the carvacrol, the major constituent of these oils.
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Database assignments for author(s): Huseyin Cetin

Research topic(s) for pests/diseases/weeds:
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Culex pipiens		Turkey