The effects of some factors on the efficiency of Pheromone traps of Grapholita funebrana (Lepidoptera: Tortricidae) in Fars province, Iran

Subject Areas : Plant Protection

Ali Salari ¹ ()
Majid Fallahzadeh ² ()
Mehrdad Tabrizian ³ ()

Received: 2010-11-20 Accepted : 2013-01-31 Published : 2011-08-23

Keywords:

Abstract :

Effect of color and design of the trap, dosage of pheromone component in rubber capsule and trap height on the efficiency of Grapholita (Aspila) funebrana Treitschke, 1835 (Lepidoptera: Tortricidae) pheromone traps were evaluated. The study was conducted in Bavanat of Fars province. A Randomized Complete Block Designused with four blocks and four replications in each block. To find the best trap color, yellow, green, brown, and white colors were tested. Using Duncan procedure, yellow and brown colors were significantly different from each other (P<0.01). Yellow and brown were ranked in a separate group, white and green were ranked in another group and were not significantly different (P<0.01). The majority of G. funebranamoths were caught in brown trap. To determine the best suitable trap design, three pheromone traps, Delta, Cylindrical and Wing shape, were tested. Delta with highest moth catches was superior in comparison with other trap designs. Three different heights, one meter from the ground, middle of the canopy of the tree and top of tree were tested on order to determine the role of the trap height on the efficiency of traps. The highest numbers of moths were caught in the traps which were positioned on the middle of the canopy of the trees. The doses of 0.5, 1, 1.5, and 2 mg doses of the pheromones formulated in Plant Protection Research Institute (PPRI) compared with a foreign rubber capsule (AgriSense, 1 mg). The results of the test revealed that the doses of 0.5 rubber capsule was superior and had more catch (P<0.01). The other doses were not significantly different (P<0.01).

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