苹果树的花芽分化和果实增大是同时进行的,只有当树体营养条件良好时,才可以既保证果实肥大,又能形成大量花芽,克服大小年现象.实际上苹果树座果后,往往发生营养失调现象,特别是对某些花量多,座果率高的品种,尤为严重,于是便出现了幼果“自疏现象”.幸存树上的果实也因养分不足而果小味差.实践证明,在冬剪的基础上对苹果进行疏除花芽、花序或花朵,座果后进行合理的疏除幼果,对提高果实品质, Apple tree flower bud differentiation and fruit enlargement is carried out at the same time, only when the tree nutrition conditions are good, it can not only ensure the fruit hypertrophy, but also the formation of a large number of flower buds, to overcome the size of the year phenomenon.In fact, the apple tree fruit, often Occurred in the phenomenon of malnutrition, especially for some flowers spend more, high fruit-bearing varieties, especially serious, so there will be a young fruit The fruit of the surviving tree also due to lack of nutrients and fruit small Bad taste.Practice has proved that, on the basis of winter shears on apple sparse flower buds, inflorescences or flowers, fruits after a reasonable thinning young fruit, to improve fruit quality,