桉树是我国南方最重要的短周期工业用材林树种,属桃金娘科Mytacea桉属Eucalptus。桉树共有700余种,自然分布于澳大利亚及塔斯马尼亚岛等地。由于桉树生长快、适应性强、用途广泛,且具有很高的经济回报率,已有近百个国家引种。我国自1890年开始引种,至今已有100多年的历史,广泛 Eucalyptus is the most important short-period industrial timber forest species in southern China, belonging to Mytacea Eucalyptus. Eucalyptus a total of more than 700 species, naturally distributed in Australia and Tasmania and other places. As eucalyptus grow fast, adaptable, widely used, and has a high economic rate of return, nearly 100 countries have introduced. China has been introduced since 1890, so far it has a history of over 100 years and is extensive