苹果幼树拉枝时间有讲究拉枝开角是苹果幼树早期丰产的重要措施之一。通过拉枝加大骨干枝角度，可以改善树冠通风透光条件，缓和树势，从而实现早果丰产，优质稳产。但因品种树龄和要达到的目的不同，拉枝时间也应有所不同。１发芽前拉枝：国光、印度等萌牙力弱，成枝力... One of the important measures of apple tree early bark yield is stressing the puckering time of apple young tree. By pulling the branches to increase the angle of the backbone branches, can improve the ventilation of the canopy light conditions, ease the tree potential, in order to achieve early fruit yield, high quality and stable yield. However, due to different ages and to achieve the purpose of different, pull the branch time should be different. 1  Pre-emergence pull branches: Guoguang, India, such as Mo tooth strength is weak, branch force ...