论文部分内容阅读
黑龙江省森林植物园从建园到现在３６年中，分别从大小兴安岭、长白山、新疆、祁连山、贺兰山林区及日本、美国等地共引种针叶树９个属４２个种，经过多年驯化长势比较好的有９个属３６个种。文中以生长特性为重点，对本园引种的针叶树进行了研究总结。提出了引种既考虑该种种源产地的自然条件，又考虑该种的系统发育过程，严格观测物候，加强引种早期保护。
Heilongjiang Forest Botanical Garden from the park to the present 36 years, respectively, from the size of Xinganling, Changbai Mountain, Xinjiang, Qilian Mountains, Helan Mountain and Japan, the United States were introduced conifer 9 species belong to 42 species, after years of domestication better There are 9 genera and 36 species. In this paper, the growth characteristics as the focus, the conifers introduced in this garden were studied and summarized. It is proposed that the introduction not only considers the natural conditions of the provenances, but also considers the phylogeny of the species, observes the phenology strictly and strengthens the early protection of introduction.