北方落叶果树的整形修剪分为冬、春、夏三个季节进行。内蒙古各地目前以冬季修剪为主,春季复剪尚无习惯,夏季修剪亦很少。夏季修剪,简称夏剪,是冬季修剪的一种辅助性措施或继续,由果树萌芽后到落叶前整个生长季节内进行的修剪工作。它能抑制新梢徒长,节约养分,促行花芽形成,改善通风透光条件,提高产量和品质,加速树冠形成。寒冷地区由于无霜期短,果树生长季节半年左右,在冬季修剪的基础上,适时、正确地进行夏剪,更具有特殊作用 Northern deciduous fruit tree pruning is divided into winter, spring and summer seasons. Inner Mongolia is currently dominated by winter pruning. In the spring, there is no habit of double-pruning and there are few pruning in summer. Summer pruning, referred to as summer pruning, winter pruning is an adjunct to measures or to continue from the sprouting of fruit trees to deciduous pruning work throughout the growing season. It can inhibit the growth of new shoots, save nutrients, promote the formation of flower buds, improve ventilation and light conditions, improve yield and quality, accelerate the crown formation. Due to the short frost-free period in cold area, fruit trees growing season for about six months, based on the winter pruning, timely and proper summer shears, but also has a special role