贵州桉树引种历史调查与研究评价

Investigation and Evaluation of the Introduction of Eucalyptus in Guizhou Province

本文对贵州北纬27°以南的区域开展了贵州桉树引种历史的调查与研究评价。结果显示,上世纪50~60年代引种的桉树所保留下的种有大叶桉、柠檬桉和窿缘桉3个树种,仅分布在都柳江、南盘江和红水河流域等热量丰富的区域;上世纪80~90年代以引进发展直杆蓝桉为主,在贵州的引种区域较广,其耐寒性和速生性变化丰富,表现呈多态性。

In this paper,the investigation and evaluation of the introduction history of Eucalyptus in Guizhou were carried out in the area south of the latitude 27 degrees north of Guizhou.The results showed that：1）Eucalyptus introduced in the 50-60 century,the reservations of the species of Eucalyptus robusta,lemon eucalyptus and Eucalyptus exserta 3 species,and only distributed in DuLiu River,Nanpanjiang River,Red River Basin and other region of rich in heat;In the 80-90 century,the main introduction and development of E.globulus ssp.Maidenii,the introduction area is wide in Guizhou,and its cold resistance and rapid change are rich,showing polymorphism.