果树苗传统的嫁接时间一般在春季或秋季,嫁接的时限较短,既不能太早又不能太晚。嫁接过早温低,树叶未流动,接穗易被风抽干,影响愈合成活;嫁接过晚则生长期太短,不利越冬,成活率不高。同时由于春秋两季正值农业生产的大忙季节,劳力紧张,工费较高,而冬季嫁接果树苗木,可充分利用冬闲 The traditional grafting time of fruit saplings is usually in spring or autumn, and the grafting time is short, neither too early nor too late. Early grafting low temperature, the leaves did not flow, the scion is easy to wind pumping dry, affecting healing and survival; late grafting too short, adverse winter, the survival rate is not high. At the same time as the spring and autumn coincided with the busy season of agricultural production, labor stress, higher labor costs, and grafted fruit trees in winter, winter can take full advantage of leisure