The paper deals with the successful experiment of grafting propagation by taking the root of Araucaria heterophylla, a valuable ornamental tree, as stock, and its branch of one-year growth as scion, in the light of the root-tied theory.

• 本文根据根接原理,选择珍贵观赏树种异叶南洋杉的根做砧木,一年生的枝条为接穗,进行嫁接繁殖试验成功地获得新植株。