扦插是林木的一种无性繁殖的方法之一,它的好处能把母树的优良性状遗传给后代,并对继代培养与扩大生产具有特别重要的意义。扦插时,对插穗基部的处理,不论在过去和现在都惯用马耳形或削平法,操作时要求在切口处做到平滑,不损伤皮部,这样做是有一定的科学道理的。为了使插穗早出根,最近我们对紫胶寄主树木豆(Cajanus cajan(L) Millsp)和南岭黄檀(Dalbergiabalansae Cutting is one of the methods of vegetative propagation of trees. Its advantages can pass the good traits of mother trees to the offspring, and is of particular importance for subculture and production expansion. Cutting, the processing of the base cuttings, both in the past and now are commonly used mallet-shaped or flattening, the operation required to be smooth at the incision, without damaging the skin, this is a certain scientific truth. In order to make the cuttings early roots, we recently lacrosse host tree beans (Cajanus cajan (L) Millsp) and the South Ridge Dalbergia (Dalbergiabalansae