1983～1986年在辽宁省兴城市,对桃蛀果蛾(桃小食心虫)为害苹果的损失和树上防治指标进行了系统研究。结果表明,桃蛀果蛾产于果实上的卵量差异较大。果上有1粒卵者占61.11％～65.74％,有2粒卵者占21.69％～21.77％;有3、4粒卵者仅占2.04％～7.46％。国光和金冠品种从幼果期到果实成熟期,单果接1粒卵,果实被害率分别为88.9％和90.88％;接卵量增至3 From 1983 to 1986, Xingcheng City, Liaoning Province, conducted a systematic study on the loss of apple damaged by peach moth (Momordica grosvenorii) and tree control index. The results showed that there were large differences in the amount of eggs produced by the fruit peach moths. One of the eggs had 61.11% ~ 65.74% of the fruit, 21.69% ~ 21.77% of the eggs had 2 eggs and 2.04% ~ 7.46% of the 3 and 4 eggs. Guoguang and Golden Delicious varieties from the young fruit stage to the fruit maturity, single fruit, then take an egg, fruit damage rates were 88.9% and 90.88%; pick up the amount of eggs to 3