烟台是全国苹果主要产区。近年来 ,由于品种结构、栽培管理及防治方法的改变 ,苹果园主要病虫发生种类及为害程度均出现了明显变化。1　苹果园主要病虫发生动态。主要病虫害基本得到控制。桃小食心虫是苹果重要蛀果害虫 ,60年代为害严重 ,虫果率一般达30 %以上 ,80年代中期虫果 Yantai is the main producing areas of the country’s apple. In recent years, due to the variety of the structure, cultivation and management and prevention and control methods change, apple orchard major pest occurrence types and degree of harm have shown significant changes. 1 apple orchard major pests and diseases occur. The main pests and diseases are under control. Peach Mungbean is an important apple pest insects, serious damage in the 1960s, the fruit rate is generally up to 30%, the mid-80s fruit