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应用聚类分析方法进行品种或无性系苗期数量分析,对泡桐无性系早期选择有一定的指导意义。可以按照分类结果,淘汰不需要的品种或无性系,保留目的品种或无性系,以便进行扩大试验。这对节约试验土地、劳力、资金有很大好处。试验聚类分析方法如下: 1.样品和因子选择: 我们选取了全国泡桐区域协作组试验的24个区试品种和无性系作为样品,组成论
Cluster analysis of seedling or clonal seedling number analysis of the early selection of Paulownia clones have a certain significance. In accordance with the results of classification, out of unnecessary varieties or clones, to retain the purpose of species or clones in order to carry out the expansion of the test. This saves a great deal of test land, labor and capital. The experimental clustering analysis method is as follows: 1. Sample and factor selection: We selected 24 regional test and clones of the national paulownia collaborative group test as the sample, composition theory