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烟台青香蕉苹果早已闻名全国。它是一个大小年结果比较严重的品种,为探讨其控制大小年的留果指标和对树体的影响,在1914—1979年对6株青香蕉进行了疏果比较试验。其中1974年为预备观察,1979年不设对照按统一标准疏果。因此兹取1975年-1978年,(四年)的结果比较如下。 一、材料及
Yantai green banana apple has long been known throughout the country. It is a relatively serious size of the annual results of varieties, in order to explore the size of its control the size of the remaining fruit indicators and the impact on the tree, in 1914-1979 6 green bananas were compared with the thinning test. Among them, 1974 was a preliminary observation. In 1979, there was no control according to the uniform standard. Therefore, the results of 1975-1978 (four years) are compared as follows. First, the material and