Farklı Meyve Türlerinde ve Lokasyonlarda Grapholita molesta (Busck 1916) (Lepidoptera: Tortricidae) ‘nın Ergin Popülasyon Gelişmesi

Abstract

Oriental fruit moth, Grapholita molesta Busck (Lepidoptera: Tortricidae) is an important fruit pest with a wide range of host in many fruit producing countries. This study was conducted with the purpose of determining the adult population development of G. molesta on different fruit species in different locations in Çanakkale province of Turkey. With this purpose pheromone traps were placed in peach, cherry and apricot orchards in Central, Biga, Lapseki and Bayramiç districts of Çanakkale province. The traps were checked weekly and the number of adult G. molesta in traps were recorded. At the end of the study, the pest is confirmed to exist in all fruit producing areas of Çanakkale province. First adult emergence was at early May with the adult population continuing until October. The pest has 2-3 generations throughout production season, which may change with relation to fruit species and location. According to the statistical analysis of the data, both location and fruit species have significant effects on adult population development of the pest with the highest population occuring in peach as the fruit species and Lapseki disrict as the location. It is thought that, the differences in adult population density and development between orchards with the same fruit species is caused by different fruit cultivars used in orchards, different treatments by farmers and climate differences.