浙江省湿地松、火炬松引种推广的调查分析

湿地松(Pinus elliottii E.)、火炬松(Pinus taeda L.)原产美国东南部,是美国主要造林树种之一。木材可作建筑、纸浆和纤维工业的原料;湿地松也是一个良好的产脂树种。 浙江省引种湿地松、火炬松已有四十多年的历史。经过早期小面积的试验示范和生产性推广造林两阶段,造林面积已达7000ha.。为了总结这两个树种在本省引种后的适生表现和

THE INVESTIGATION AND ANALYSIS OF INTRODUCTION AND EXTENSION FOR PINUS ELLIOTTII AND P. TAEDA IN ZHEJIANG PROVINCE

Pinus elliottii E. and P. taeda L. have been introducted in Zhejiang province for more than 40 years and the species have been afforested for seven thousand ha.. The productive practice shows that these species have fast growth, straight stem, extensive distribution range and better adaptability, higher resistance to pests and diseases and other good characters. The earlier introductive trees have flowered and fruited and juvenile forests of the second generation have been established. It has important significance for riching the afforestation species and for raising the productive ability of forest land by successful introducing these exotic troe species in this province.