众所周知,幼果膨大期是苹果果实内部细胞分裂的关键时期。果实内部细胞数量的多与少直接影响着后期果实增大。此时正值春梢旺长期,也是生殖生长与营养生长争夺养分最严重时期。此时若能将果台副梢及时摘心正好解决了这一矛盾。其具体做法是:于5月上、中旬待果台副梢长至15～25 As we all know, young fruit enlargement period is the key period of cell division in apple fruit. More and fewer fruit internal cells directly affect the late fruit increases. At this point in time spring long Wang, but also reproductive growth and nutrient growth for the most serious period of nutrients. At this point if the fruit can take the time topping pinholes just solve this contradiction. The specific approach is: in May on the middle to be fruit Taiwan vice shoot up to 15 ~ 25