Journal of Crop Production and Processing

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One of the most important pest in the Oak forest of Kurdistan province is Oak leaf roller moth, Tortrix viridana L. (Lep.: Tortricidae). Use of pheromone trap is one of the suitable methods for monitoring and controlling of the pest. In this work, three main factors which affect the efficiency of traps including trap type, pheromone dose and installation height trap were studied. Four types of trap including cylindrical, rectangular, delta and wing trap were tested. Capture efficiency of the traps, were installed in the middle, and top heights of the trees were compared. Three doses of pheromone 0.5, 1, and 1.5 mgr per trap were also compared. Results showed that there were significant differences among four types of traps. Cylindrical, rectangular and delta traps caught more number of moths than wing trap (P<0.05). There were no significant differences between two installation heights (P>0.05). However, a significant differences was observed among three doses (P<0.05), and the dose of 0.5 mg caught more moths than the other three doses. Therefore cylindrical traps containing 0.5mg of synthetic sex pheromone installed in the middle of the trees canopy may be recommended in the management program of the pest.

Keywords: Tortrix viridana, Oak leaf roller Sex pheromone, Pheromone trap, Kurdistan

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