疏花是苹果优质栽培的基本环节。由于苹果树的负载量有限，留果量过多时，果个小，色泽差，风味谈，果实商品质量低，也易诱发苹果树腐烂病的流行。因此，现代苹果商业果园，都要求进行规范的疏花处理。疏花一般要求及早进行，疏花愈早，树体营养消耗愈少。在生产实际上，为避? Thinning is an essential part of apple cultivation. Due to the limited load of apple trees, when the fruit yield is too much, the fruit is small, the color is poor, the flavor is poor, the quality of the fruit products is low, and the apple tree rot disease is also easily induced. Therefore, the modern Apple commercial orchard, are required to regulate the flowering treatment. Flowers are generally required to be carried out as early as possible, the earlier the flowering, tree nutrition consumption less. In fact, in production, to avoid?