Abstract
Sex pheromone composition was analyzed for the oriental fruit moth ( Grapholita molesta), and field trapping studies were also conducted to develop monitoring system with its sex pheromone in Korea. The calling and mating behavior of G. molesta were seen maximally 2 to 1 hr before lights-off and these behavior ceased after lights-off. Analysis of abdominal tip extracts from virgin females of G. molesta revealed 4 compounds, Z8-dodecenyl acetate ( Z8-12: Ac), E8-dodecenyl acetate ( E8–12: Ac), Z8-dodecenol ( Z8–12: OH) and dodecanol (12: OH). In the field trappings, the best capturing activity for G. molesta was observed with the 95:5:1 blend of Z8–12: Ac, E8–12: Ac and Z8–12: OH but 12: OH showed no synergic effect. The most effective amount of sex pheromone blend was 0.5 mg for a lure.
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