Use of puffers for disruption of sex pheromone communication of codling moths (Lepidoptera: Tortricidae) in walnut orchards
1996
Shorey, H.H. | Gerber, R.G.
Codlemone, (E,E)-8, 10-dodecadienol, the female sex pheromone of the codling moth, Cydia pomonella (L.), was released at 30-min intervals into the air of square, 16-ha walnut, Juglans regia L., orchards from puffers, machines designed for the dispensing of aerosols from pressurized canisters. The puffers were arrayed at 44-m intervals along the borders of the orchards. A codlemone release rate of 254 mg/ha per day caused a 95-98% disruption in pheromone communication, as measured by a reduction in the numbers of males that oriented to codlemone lure-baited or female-baited traps in the centers of the orchards.
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