桉树原产澳洲,生长迅速,经济价值高。我省引种桉树的实践证明,在适宜条件下,5—7年就可成材。具有快速生长、短期能够成材的优良特性,深受广大群众喜爱。但目前普遍种植的几个主要桉树种类尚存在一些问题。如大叶桉虽前期生长快,树干通直,但早衰现象突出,减少木材产量。兰桉、赤桉、葡萄桉等虽生长 Eucalyptus originated in Australia, rapid growth, high economic value. The introduction of eucalyptus in our province proved that, under suitable conditions, 5-7 years can be a success. Has the rapid growth, short-term can be excellent material properties, loved by the masses. However, there are still some problems in the species of several major eucalypts that are commonly planted at present. Such as Eucalyptus rapid growth in early prophase, trunk straight, but prominent premature decline, reduce timber production. Eucalyptus, Eucalyptus, grape eucalyptus, although growth