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2 不同指标间相关系数矩阵

Table 2 Correlation coefficient matrix between different indexes

性状Trait	株高 Plant height	穗长 Ear length	产量 Yield	粗蛋白 Crude protein	瘤胃降解蛋白 Rumen degradable protein	NDFD30	NDFD120	NDFD240	醇溶糖 Alcohol soluble sugar	淀粉 Starch	粗脂肪 Crude fat	总可消化养分 Total digestible nutrients	产奶净能 NEL	维持净能 NEm	增重净能 NEg	RFV	RFQ
株高Plant height
穗长Ear length	-0.969^**
产量Yield	-0.191	-0.193
粗蛋白Crude protein	-0.088	0.136	0.311
瘤胃降解蛋白 Rumen degradable protein	-0.047	0.089	0.288	-0.977^**
NDFD30	-0.135	0.206	-0.230	-0.202	-0.230
NDFD120	-0.115	0.176	-0.038	-0.135	-0.138	-0.865^**
NDFD240	-0.119	0.176	-0.034	-0.149	-0.153	-0.867^**	-0.999^**
醇溶糖 Alcohol soluble sugar	-0.219	-0.175	0.090	-0.095	-0.160	-0.101	-0.061	-0.073
淀粉Starch	-0.113	-0.056	0.040	-0.278	-0.291	-0.099	-0.124	-0.128	-0.119
粗脂肪Crude fat	-0.154	0.176	0.062	-0.360^*	-0.302	-0.295	-0.275	-0.291	-0.442^*	0.187
总可消化养分 Total digestible nutrients	-0.047	0.092	0.242	-0.515^**	-0.552^**	-0.225	-0.307	-0.310	-0.686^**	0.016	0.238
产奶净能NEL	-0.057	0.099	0.243	-0.496^**	-0.532^**	-0.254	-0.333^*	-0.338^*	-0.630^**	0.046	0.322	0.993^**
维持净能NEm	-0.070	0.107	0.243	-0.511^**	-0.546^**	-0.238	-0.314	-0.318	-0.655^**	0.012	0.280	0.997^**	0.995^**
增重净能NEg	-0.054	0.096	0.246	-0.498^**	-0.536^**	-0.222	-0.298	-0.303	-0.662^**	0.046	0.276	0.997^**	0.996^**	0.997^**
RFV	-0.035	0.117	0.241	-0.759^**	-0.784^**	-0.247	-0.227	-0.229	-0.581^**	-0.085	0.253	0.870^**	0.849^**	0.856^**	0.859^**
RFQ	-0.076	0.153	0.149	-0.611^**	-0.654^**	-0.521^**	-0.515^**	-0.517^**	-0.559^**	0.015	0.297	0.917^**	0.912^**	0.913^**	0.910^**	0.916^**	1