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3 紫花苜蓿产量和农艺性状相关系数

Table 3 Correlation coefficients among yield and agronomic traits of alfalfa

性状 Trait 株高 Plant height 主茎枝条数 Number of main stem branches 植株密度 Plant density 鲜草产量 Fresh yield 干草产量 Hay yield 干鲜比 Dry-fresh ratio 茎粗 Stem diameter 叶片数 Leaf number 叶长 Leaf length 叶宽 Leaf width 单株茎干重 Stem dry weight per plant 单株叶干重 Leaf dry weight per plant 主茎枝条数 Number of main stem branches 0.225* 植株密度Plant density 0.016 -0.101 鲜草产量Fresh yield 0.235** -0.211* -0.419** 干草产量Hay yield 0.287** -0.025 -0.483** -0.875** 干鲜比Dry-fresh ratio 0.001 -0.538** -0.066 -0.430** -0.114 茎粗Stem diameter 0.156 -0.397** -0.186* -0.096 -0.004 -0.333** 叶片数Leaf number 0.027 -0.207** -0.055 -0.09 -0.001 -0.092 -0.377** 叶长Leaf length 0.127 -0.425** -0.062 -0.065 0.074 -0.314** -0.488** 0.059 叶宽Leaf width 0.077 -0.472** -0.003 -0.095 0.073 -0.330** -0.479** 0.108 -0.701** 单株茎干重 Stem dry weight per plant 0.298** -0.186 -0.013 -0.015 0.070 -0.052 -0.452** 0.524** -0.098 -0.265** 单株叶干重 Leaf dry weight per plant 0.245* -0.353** -0.214* -0.032 -0.014 -0.249* -0.670** 0.501** -0.314** -0.297** 0.448** 茎叶比Stem-leaf ratio 0.303** -0.062 -0.100 -0.085 0.149 -0.057 -0.008 0.227** -0.091 -0.032 0.449** -0.183