一、前言在品种繁多的桉树中,我区多年引种实践证明,柳桉生长迅速,适应性较强。近年,区林科所以柳桉为母本选育的柳窿桉,从其初期生长来看,已获得可喜的成果。为了配合林业部门发展优良速生纤维树种, First, the preface In a wide variety of eucalyptus, my area introduced for many years proved that, Eucalyptus grow rapidly, adaptability. In recent years, the district Linke so Liu Eucalyptus female parent selection willow eucalyptus, from its initial growth point of view, has achieved gratifying results. In order to cooperate with the forestry sector to develop excellent fast-growing fiber tree species,