云南烤烟品种资源的收集与分类研究

The collection and classification of flue cured tobacco germplasm in Yunnan Province

对云南省收集编目的 2 91份烤烟种质资源材料 ,依据来源、品种类别筛选出 10 4个烤烟品种。应用计算机系统对10 4个国内外烤烟品种的 14个性状进行聚类分析 ,形成了烤烟品种的系统分类。烤烟可分为 4个品种群和 6个品种亚群。Ⅰ .优质烟品种类群 (内含 2个品种亚群 ,3 9个品种 ) ;Ⅱ .低烟碱多叶品种类群 (内含 13个品种 ) ;Ⅲ .低糖高蛋白品种类群 (内含 13个品种 ) ;Ⅳ .高糖碱比品质欠佳类群 (内含 4个品种亚群 ,3 9个品种 )

of the 291 flue cured tobacco germplasm accessions collected, evaluated and catalogued in Yunnan were obtained according to their origine and varietal type. Fourteen traits of 104 flue cured tobacco cultivars from China and abroad were analysed using cluster analysis method. A classification system of flue cured tobacco was established. Group Ⅰ consists of elite cultivars containing 2 subgroups, 39 cultivars. Group Ⅱ consists of low nicotine and multi leaf cultivars containing 13 cultivars. Group Ⅲ consists of low sugar and high protein cultivars containning 13 cultivars. Group Ⅳ consists of high G∶A ratio,poor cultivars containing 4 subgroups, 39 cultivars.