Insecticidal effects of Thuja occidentalis L. essential oil on adults of Lasioderma serricorne F. (Col.: Anobiidae) under laboratory conditions
Author(s):
Abstract:
In order to find recyclable, environment friendly and easy accessible insecticides, the essential oils of Thuja occidentalis L. (Cupressaceae), was used against the adults of Lasioderma serricorne F. (Col.: Anobiidae). The analysis of T. occidentalis essential oil used for insect fumigation by phase gas chromatography revealed the presence of 22 compounds including α-thujone (49.64%), fenchone (14.06%), and β-thujone (8.98%). The experiment was conducted in 6 replications using a completely randomized design of factorial experiment. The essential oil was extracted by water distillation method. Experiment was carried out at 30 ± 2 °C and 60 ± 5% R. H. under dark condition. Treatments consisted of 5 concentrations of essential oil with three replications for each concentration. Each replication contained 20 adults of 7-14-day old. According to the results, the studied oil showed a significant lethality against the adults of Lasioderma serricorne. LC50 value for the oil of T. occidentalis, in this experiment was 246 μl/l airs for L. serricorne.
Keywords:
Language:
Persian
Published:
Iranian Journal of Medical and Aromatic Plants, Volume:30 Issue: 1, 2014
Page:
123
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