国家造林项目要达到高标准、高质量,就必须从抓良种壮苗,提高造林质量做起,因此,林业部高德占部长和林业部特别强调了“今后国家造林项目必须实行定点供种、定点育苗、定点供苗,充分发挥国营苗圃和集体骨干苗圃的作用。育苗所用良种和穗条都必须经省种苗主管单位、省项目办和项目科技推广小组认定后才能使用。”这是我国林业生产改变过去“有什么种育什么苗,有什么苗造什么林”粗放经营,向集约经营转变,实现林木良种化的重大改革,亦是适应世界发展无性系林业新趋势的重大有力措施。为了有计划、有重点、有步骤地发展优良无性系,我们对河北省发展优良无性系的可行性 Therefore, the Minister of Forestry, Tak Taksian and the Ministry of Forestry stressed in particular that “in the future, afforestation projects in the country must implement fixed-point supply of seeds and seedlings, Fixed-point nursery, designated for seedlings, give full play to the role of state-owned nurseries and collective nursery nursery seedlings and seed used must be the provincial seedlings in charge of units, the provincial PMO and the project science and technology promotion team identified before use. ”This is our country Forestry production is a major and powerful measure to adapt to the new trend of development of clonal forestry in the world by changing the extensive operation of “extensive cultivation of what seedlings and what seedlings are there forests”, transition to intensive management and forestation of varieties of trees? In order to have a planned, focused and step-by-step development of elite clones, we have made a case study of the feasibility of developing elite clones in Hebei Province