冬剪选时很重要,它对苹果树的生长势、花芽分化,乃至产量、质量都有很大影响。 一般说来,苹果树修剪从立春到惊蛰为最适宜时期。过早,剪口易受冻害,形成于桩;过晚,则会削弱树势,耽误农时,影响产量。正确的修剪方法,应是根据品种、树势、树龄及立地条件的不同,有针对性地选择冬剪时间。早熟品种发 Winter cutting is very important, it is apple tree growth potential, flower bud differentiation, and even yield, quality has a great impact. In general, apple tree pruning from the spring to Jingzhe for the most appropriate period. Premature, cut mouth susceptible to frost damage, formed in the pile; too late, it will weaken the tree potential, delay farming, affecting the yield. Correct pruning method should be based on species, tree potential, age and different site conditions, targeted selection of winter shear time. Early varieties of hair