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Your Position :Home->Past Journals Catalog->2009年46 No.1

Application techniques of traps with sex pheromone of Spodoptera litura in the field
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Key Words:Spodoptera litura, trap with sex pheromone, height, distance, wind direction
Abstract:

The effects of the height of trap, the distance between traps, and the weather factors were determined on the trapping efficiency of the traps to Spodoptera litura (Fabricius). The results showed obviously higher trapping efficiency at 1 m from the ground than those at 0.5 or 1.5 m. The best distance between traps was 25 m, at which the traps showed higher efficiency than those between 10, 15 or 20 m. There was a significant influence of the wind direction at night on the trapping efficiency. The windward trap attracted more moths than the others. Meanwhile, the traps paralleling with the direction of the wind at night trapped more adults of S. litura  than the traps being vertical to the wind direction.

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