红椎又名红杨、杨木、赤杨是我国南方各省区珍贵优良硬阔叶树种。供建筑、造船、家具用材。用途广,需求量大。但目前采用常规育苗成苗率低,同时,苗木主根发达,侧根短,须根少,造林成活率低。而且长期蹲苗,生长不良,大量发展人工林还有问题。通过我们的观察研究,初步证实红椎也和 Red spider, also known as poplar, poplar, alder is our province in southern provinces precious fine hardwood species. For construction, shipbuilding, furniture timber. Wide range of uses, large demand. However, the use of conventional nursery seedling rate is low, at the same time, developed seedling root, lateral roots short, less fibrous roots, afforestation survival rate is low. And long-term Dunmiao, poor growth, a large number of development of plantation there is a problem. Through our observation and study, initially confirmed that the red vertebra also