杉木为我国南方主要用材树种,为尽速实现杉木造林良种化,良种生产基地化,选择优树,建立种子园已日益成为产杉地区的普遍要求。优树是建立种子园的物质前提,也是进一步选育良种的原始材料。所只能否尽快选出优树,就直接关系到能否多快好省地建立良种基地,尽速实现“两化”。杉木造种的目标,目前大多以速生丰产为主,兼顾其它形质及抗性。选优的方法多采用五殊优势木比较法或小标准地法。实践使我们感到:选优是一项面广量大的工作,如果只靠 Cunninghamia lanceolata is the main species of timber in southern China. In order to achieve afforestation of fir plantation as soon as possible and base production of seed production, the establishment of seed orchard has increasingly become the common requirement of Chinese fir plantation. Excellent tree is to establish the material premise of the seed garden, but also the raw material for further breeding of elite. As long as the tree can only be selected as soon as possible, it is directly related to how quickly and economically the establishment of improved seed base, to achieve “two.” The goal of fir seed production, most of the current fast-growing and yield-oriented, taking into account other forms and resistance. Choose the best method to use more than five advantages wood comparison method or a small standard method. Practice makes us feel: Selection is a large and extensive work, if only by