山西北部地区引种苦荞品种的灰色关联度分析

靳建刚, 田再芳

Grey Correlation Analysis of Introduced Tartary Buckwheat in the Northern Shanxi

Jin Jiangang, Tian Zaifang

表4 供试品种的关联系数

Table 4 Grey correlation coefficients of tested varieties

关联系数 Correlation coefficient 生育期 Growth period 株高 Plant height 主茎分枝数 Primary branch number 主茎节数 Primary stalk pitch number 千粒重 1000-grain weight 产量 Yield ξ1 0.7885 0.9244 0.8980 0.9835 0.5915 0.4868 ξ2 0.8703 1.0000 0.8303 0.7488 1.0000 0.5678 ξ3 0.7704 0.6392 0.5716 0.7216 0.6017 0.5585 ξ4 0.7704 0.7300 0.7335 0.3856 0.6290 0.6425 ξ5 0.8274 0.7729 0.7459 0.6507 0.7943 1.0000 ξ6 0.7885 0.6973 0.8801 0.7781 0.6406 0.7564 ξ7 1.0000 0.5622 1.0000 1.0000 0.9329 0.9716 ξ8 0.8935 0.7823 0.6288 0.6652 0.6070 0.8506 ξ9 0.8274 0.6964 0.6379 0.7681 0.5326 0.4058 ξ10 0.7704 0.8132 0.5643 0.8324 0.5816 0.6810 ξ11 0.9179 0.7208 0.6771 0.6883 0.3333 0.3831 ξ12 0.7056 0.5233 0.7588 0.5247 0.6985 0.5242