前言桉树原产澳洲,是热带和亚热带地区生长快、用途广、适应性强、经济价值高的优良树种。目前世界上已有96个国家引种了桉树,人工林面积在三千万亩以上,桉树已成为热带、亚热带许多地区和地中海沿岸国家极为重要的速生造林树种。某些国家桉材的产量占其木材总产量的大部分。我国引种按树已有70多年的历史,最先引种于香港、广州、福州、厦门、龙州等地,零 Preface Eucalyptus native to Australia, is an excellent tree species with fast growth, wide use, strong adaptability and high economic value in tropical and subtropical regions. Eucalyptus has been introduced in 96 countries around the world and the plantation area is more than 30 million mu. Eucalyptus has become an extremely important afforestation species in many tropical and sub-tropical regions and the Mediterranean countries. Eucalyptus production in some countries accounts for most of its total timber production. Introduction of our country has more than 70 years of history according to the tree, first introduced in Hong Kong, Guangzhou, Fuzhou, Xiamen, Longzhou and other places, zero