亚麻品种资源的聚类分析及评价

Cluster analysis and evaluation of flax germplasm resources

对52个国内亚麻品种进行聚类分析,形成了亚麻品种的系统分类,亚麻可分为4个品种群。其中品种群Ⅱ包含两个亚群,亚群Ⅰ为油用及油纤兼用类型,亚群Ⅱ为纤维用类型。亚群Ⅱ包括了我国主要栽培品种,这些品种抗病性强,产量水平高,农艺性状优良。品种群Ⅵ的明显特点是主茎分枝多,单株果数多,抗病性强,其中红木65和匈牙利5号为我国品种选育的骨干亲本。

Fourteen traits of 52 germplasm resources from China and abroad were analysed using cluster analysis method. A classification system of flax was established. All germplasm resources involved was divided into 4 groups. GroupⅠ consisted of 10 germplasm. Group Ⅱ consisted of 37 germplasm and may have 2 subgroups, subgroup Ⅰ included main planted germplasm of flax in China. Group Ⅲ consisted of 1 germplasm . Group Ⅵ included 4 germplasm.