扦插育苗是一种最常用的无性繁殖方法，有枝插（茎插）、叶插、根插等，植物体内的创伤激素和内源激素支配植物的再生作用，使插条切口发生愈伤组织，其上又能发生新根。扦插的季节，依植物种类、品种、气候及管理方法的不同可分为：一、休眠期扦插即一些落叶花木的硬枝扦插， Cutting seedling is one of the most commonly used methods of vegetative propagation, there are branches inserted (stem inserted), leaf plug, root inserted, etc., plant traumatic hormones and endogenous hormones dominate the regeneration of plants, the cuttings incision callus, New roots can occur on it. Cutting season, according to plant species, varieties, climate and management methods can be divided into: First, the dormant period of the cuttings that are some hardwood branches of deciduous trees,