桃园梨小食心虫发生规律研究初报

A Preliminary Report on the Occurrence Regularity of Oriental Fruit Moth in Peach Orchard

为了明确梨小食心虫在山西中部地区桃园的生活世代及发生规律,指导农业生产,有效防控桃园梨小食心虫,对山西中部地区单植桃园梨小食心虫成虫及卵进行了调查,结果表明,梨小食心虫在单植桃园1年发生4代,并能在桃树上完成其周年生活史。

To make clear the generations and the occurrence regularity of oriental fruit moth in peach orchard in the center area of Shanxi Province, so as to direct agricultural production, and to prevent and control it effectively, investigation on the adults and eggs of oriental fruit moth in peach orchards of single variety has been carried out. The result shows that there were four generations of oriental fruit moth each year in peach orchards of single variety and they can complete their annual life cycle in the tree.