我省引种南洋杉的历史较长,其中以诺福克南洋杉引种最为广泛。该树种干形挺直,树姿优美,生长比较迅速,材质也好,已成为城市环境绿化的主要树种。由于南洋杉具有较特殊的生物学和生理生态学特性,各地引种的母树结实量极低,用其他方法繁殖也比较困难,因此种源供应紧张,影响了 Introduction of Araucaria in our province a long history, of which the introduction of Norfolk araceae is the most widely. The dry stem shape, graceful tree posture, relatively rapid growth, material Ye Hao, has become the main urban greening species. As Araucaria has a more specific biological and ecophysiological characteristics, the introduction of mother trees around the extremely low yield, reproduction by other means is also more difficult, so the supply of seed resources, affecting the