基于主成分与灰色关联分析的饲草小黑麦品种筛选与配套技术研究

张阳, 张伟, 赵威军, 邵荣峰, 王官, 薛丁丁, 李金梅

Variety Screening and Study of Cultivation Technology for Forage Triticale Varieties Based on Principal Component and Grey Relation Analysis

Yang Zhang, Wei Zhang, Weijun Zhao, Rongfeng Shao, Guan Wang, Dingding Xue, Jinmei Li

表3 主成分分析初始载荷矩阵以及旋转后因子载荷矩阵

Table 3 Component matrix and rotated component matrix of principal component analysis

性状Trait 初始载荷矩阵Component matrix 旋转后因子载荷矩阵Rotated component matrix 1 2 3 4 5 1 2 3 4 5 株高Plant height 0.097 0.477 0.707 0.465 0.104 0.017 0.038 0.049 0.978 0.046 穗长Ear length 0.162 0.506 0.674 0.457 0.104 0.066 0.096 0.051 0.967 0.063 产量Yield 0.245 -0.348 -0.002 -0.420 0.289 0.239 -0.241 0.191 -0.340 0.417 粗蛋白Crude protein 0.679 -0.076 0.445 -0.505 -0.151 0.402 0.064 0.821 0.031 0.320 瘤胃降解蛋白Rumen degradable protein 0.709 -0.109 0.392 -0.476 -0.205 0.445 0.081 0.818 -0.011 0.252 NDFD30 0.427 0.762 -0.274 -0.088 -0.259 0.111 0.938 0.087 0.102 0.046 NDFD120 0.464 0.743 -0.380 -0.056 -0.170 0.185 0.949 -0.023 0.046 0.083 NDFD240 0.470 0.747 -0.371 -0.070 -0.161 0.185 0.949 -0.014 0.048 0.101 醇溶糖Alcohol soluble sugar 0.535 -0.576 -0.271 0.475 -0.245 0.787 -0.162 -0.054 -0.202 -0.536 淀粉Starch -0.030 0.181 -0.432 0.079 0.732 0.095 0.091 -0.701 -0.105 0.493 粗脂肪Crude fat 0.346 0.401 0.183 -0.419 0.529 0.114 0.241 0.111 0.164 0.811 总可消化养分Total digestible nutrients 0.951 -0.189 -0.069 0.180 0.095 0.975 0.124 0.123 0.018 0.071 产奶净能NEL 0.949 -0.139 -0.078 0.157 0.155 0.961 0.152 0.093 0.028 0.140 维持净能NEm 0.951 -0.163 -0.055 0.173 0.118 0.966 0.132 0.120 0.038 0.101 增重净能NEg 0.946 -0.179 -0.070 0.178 0.144 0.974 0.116 0.095 0.026 0.112 RFV 0.927 -0.197 0.126 -0.056 -0.050 0.843 0.097 0.432 0.011 0.114 RFQ 0.979 0.059 -0.082 0.052 -0.055 0.865 0.393 0.250 0.040 0.085 初始特征值Initial eigenvalue 7.506 2.994 1.997 1.631 1.241 贡献率Contribution (%) 44.150 17.610 11.747 9.592 7.302 累计贡献率Cumulative contribution rate (%) 44.150 61.761 73.508 83.099 90.401