杉木[Cunninghamia lanceolata(Lamb.)Hook]自然分布广,栽培历史悠久,生长快,材质好,产量高,用途广,是我国南方特有的重要用材树种。贵州位于杉木中心产区,著名的“十八杉”即产于我省东南部,一些杉木种源在全国居于上等水平。但长期以来,我省杉木造林用种良莠不分,可谓“见种就采,有苗就栽”。若长此以往,将会降低我省杉木群体的遗传品质。为了解决生产中这一难题,逐步实现杉木“适地适种源、适家系”的高度 Cunninghamia lanceolata (Lamb.) Hook] is widely distributed in nature and has a long history of cultivation, rapid growth, good material, high yield and wide use. It is an important timber species unique to southern China. Guizhou is located in the producing area of ​​Cunninghamia, the famous “eighteen fir” is produced in the southeastern province, some of the fir provenance in the country living in the highest level. However, for a long time, the afforestation of the province with good and no good use of Chinese fir can be described as “see the seed mining, seedlings planted.” If the long run, will reduce the genetic quality of our province fir population. In order to solve this problem in production, and gradually achieve Chinese fir “suitable for provenance, suitable family” height