119个苜蓿品种（系）产量和农艺性状的遗传多样性分析

杨婉君, 潘香逾, 王秀华, 王璐, 赵岩

Genetic Diversity Analysis of Yield and Agronomic Traits of 119 Alfalfa Varieties (Lines)

Yang Wanjun, Pan Xiangyu, Wang Xiuhua, Wang Lu, Zhao Yan

表4 基于聚类结果的各产量和农艺性状均值

Table 4 Mean values of yield-related traits based on clustering results

性状 Trait 类别Group Ⅰ Ⅱ Ⅲ 株高Plant height (cm) 94.74 93.29 98.33 主茎枝条数Number of main stem branches 16.35 16.42 15.56 植株密度(株/hm2) Plant density (plant/hm2) 235.94 175.26 231.10 鲜草产量Fresh yield (t/hm2) 2.38 2.19 2.68 干草产量Hay yield (t/hm2) 0.67 0.58 0.70 干鲜比Dry-fresh ratio 0.29 0.29 0.28 茎粗Stem diameter (mm) 3.44 3.53 3.43 叶片数Leaf number 73.19 85.63 77.70 叶长Leaf length (cm) 2.85 2.82 2.77 叶宽Leaf width (cm) 1.67 1.61 1.61 单株茎干重Stem dry weight per plant (g) 8.54 10.20 9.50 单株叶干重Leaf dry weight per plant (g) 6.83 7.81 6.75 茎叶比Stem-leaf ratio 1.06 1.05 1.12