Development of Wax-typed Pheromone Dispenser for Mating Discruption of the Oriental Fruit Moth, Grapholita molesta, and Its Application Technique
2008
Jung, S.C. (Green Agro Tech, Inc., Kyungsan, Republic of Korea) | Park, M.W. (Green Agro Tech, Inc., Kyungsan, Republic of Korea) | Lee, S.W. (Apple Experiment Station, National Horticultural Research Institute, RDA, Kunwi, Republic of Korea) | Choi, K.H. (Apple Experiment Station, National Horticultural Research Institute, RDA, Kunwi, Republic of Korea) | Hong, Y.P. (Andong National University, Andong, Republic of Korea) | Bae, S.W. (Andong National University, Andong, Republic of Korea) | Kim, Y.G. (Andong National University, Andong, Republic of Korea), E-mail: [email protected]
A wax-typed pheromone dispenser has been developed and applied to control outbreak of the oriental fruit moth, Grapholita molesta, in apple orchard. To optimize its application technique, this study analyzed effect of different amounts of the pheromone dispenser on mating disruption ('MD') of G. molesta. Different pheromone dispenser amounts significantly influenced the MD effect assessed by cumulative male adult catches monitored respectively by sticky delta trap and food trap, and resulted in differential damage on host plants. In a field test during entire growing season, a standard amount (120 g per 0.117 ha) of wax-typed pheromone dispenser was proved to be effective to suppress outbreak of G. molesta adults and to prevent host plant damage as much as a current commercial MD product (Isomate∨_). This study also demonstrated an effectiveness of deployment of food trap barriers around MD-treated area to prevent immigration of mated females from outside untreated areas. These results indicate that the wax-typed pheromone dispenser can be applied to control field G. molesta populations and its co-application with food trap barriers would be optimal to maximize MD efficacy.
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