通常说:“桃三杏四梨五年,要吃苹果七、八年”,这是指北方果树一般开始结果的年龄,近年来科学实验证明,利用矮化砧木嫁接的苹果,早结果、早丰产,得到广大贫下中农的欢迎。为了进一步提高生产效能,我们利用矮砧嫁接青岛大尧短枝型红星,进行良种良砧配套试验,获得了红星二年结果 Usually said: “Peach apricot four pears for five years, seven or eight years to eat apples,” which refers to the general start of the North fruit tree age, scientific experiments in recent years proved that the use of dwarfing rootstock grafted apples, early results, early High yield, welcomed by the vast majority of poor middle peasants. In order to further improve the production efficiency, we use the dwarf grafting Qingdao Dayao spur type red star, good varieties of anvil supporting test, won the Red Star two years results