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省林木良种选育协作座谈会议指出,全省的国营苗圃要逐步建成林木良种繁殖圃,因地制宜地进行林木良种选育工作。要繁育良种,首先要确定什么品种是适应本地生长的优良品种,这就需要从苗期开始,对不同品种进行细致的观察研究。例如目前杨树的品种、类型、无性系号极多,那几种适宜本地生长?必须通过培育,观察他们的生态特
Provincial Forestry Breeding and Selection Collaborative Symposium Conference pointed out that the province’s state-run nurseries should gradually build breeding seedlings of forest trees, according to local conditions for breeding seed trees. To breed elite, we must first determine what varieties are good varieties to adapt to local growth, which requires from the seedling stage, the different varieties of careful observation. For example, at present the poplar species, types, clones are very many, then what kind of suitable for local growth? Must be cultivated to observe their ecological special