砧木的剪截时间李树嫁接,一般是现剪现接。秋季砧木生长旺盛,伤流液多,可在嫁接前4—5天将砧木剪断一部分,使砧木流出部分伤流液。群众称这种作法是让砧木“吐苦水”。这样处理后再行嫁接的成活率较高,一般可达70%—80%以上。接穗的选取秋接常选择生长比较充实、芽眼饱满、尚未萌发新梢的当年生发育枝条作接穗。剪离母株后应尽快摘掉叶片,仅留一小段叶柄。然后用湿纱布包裹,再放入 Rootstock cut-off time Li grafting, usually now cut then. In autumn, rootstocks grow vigorously and the wound fluid is abundant. The rootstock can be cut off for 4-5 days before grafting so that the stock can flow out of the wound fluid. The masses said this approach is to make rootstock “spit bitter water.” After this treatment, the survival rate of grafting is higher, generally up to 70% -80%. Selection of scion fall often choose to grow more substantial, full bud eyes, buds have not yet sprouted when the growth of branches for the scion. Cut off from the mother should be removed as soon as possible leaves, leaving only a short petiole. Then wrapped with wet gauze, and then into