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苹果梨潜伏芽寿命长,条件适宜,每年都有一定数量芽萌发(见图1),肥水足,萌发数更多。这些枝条粗大、直立,如处理不当会扰乱树形,消耗营养,削弱树势。处理得当可以转寄为利。我们于1970～1972年对11年生苹果梨树连续3年用不同的修剪方法进行对比试验。
Latent buds of apple pear longevity, suitable conditions, each year a certain number of germination buds (see Figure 1), fertilizer and water, germination number more. These branches are thick, upright, such as improper handling can disrupt the tree shape, consume nutrients, weaken the tree vigor. Properly handled can be forwarded. We compared the 11-year-old apple pear tree with different pruning methods for three consecutive years from 1970 to 1972.