试验在滕县董村果园进行,用15年生金冠苹果树为试材。1981年选用了五个处理(0.4、0.6、0.8、1.0、1.2斤/cm2干断面积);1982年在1981年试验的基础上,选用三个处理水平(0.6、0.8、1.0斤/cm2干断面积)进行试验。单株小区,田间随机排列,重复三次以上。 在果实的许多性状中,果实大小 The experiment was conducted in Dongcun Orchard, Tengxian County, with 15-year-old Golden Delicious apple tree as test material. In 1981, five treatments (0.4, 0.6, 0.8, 1.0 and 1.2 kg / cm2 dry area) were selected. On the basis of the experiment in 1981 in 1982, three treatment levels (0.6, 0.8 and 1.0 kg / cm2 dry Area) for testing. Single plant, field randomly arranged, repeated more than three times. In many traits of fruit, fruit size