臭椿(AilanthusaltissimaSwingle),又名白椿、樗树,是原产我国且分布极为广泛的优良树种。除荒漠戈壁、冻原草甸、高寒山地和水湿多雨地带之外,几乎所有地区都可生长,而且其生长状况不逊于其他阔叶树种。我省南北各地均有零星栽植。但长期以来,臭椿多靠自然传播或根蘖繁衍,一直 Ailanthus altissima Swingle, also known as white toon, Sui tree, is a native of China and is widely distributed in the fine tree species. Except for desert gobi, tundra meadow, alpine mountains and wet and rainy regions, almost all areas can grow, and its growth is not inferior to other broadleaf species. Sporadic planting in our province both north and south. But for a long time, Ailanthus relied on natural propagation or root growth, has been