淮北不同生态区丰产稳产宜机收玉米新品种筛选

郑飞, 陈静, 崔亚坤, 孔令杰, 孟庆长, 李杰, 刘瑞响, 张美景, 赵文明, 陈艳萍

Screening of High and Stable Yield Maize Varieties Suitable for Grain Mechanical Harvesting in Different Ecological Areas of the Huaibei Region

Zheng Fei, Chen Jing, Cui Yakun, Kong Lingjie, Meng Qingchang, Li Jie, Liu Ruixiang, Zhang Meijing, Zhao Wenming, Chen Yanping

表2 各品种丰产性及其稳定性分析

Table 2 Analysis of yielding ability and yield stability of various varieties

品种 Variety 丰产性参数 Yielding parameter 稳定性参数 Stability coefficient 回归系数 Regression coefficient 变异系数 Variation coefficient (%) 适应地区 Adaptive area 综合评价 Comprehensive assessment 产量 Yield (kg/hm2) 离差 Deviation 方差 Variance 变异度 Variation degree 苏科玉206Sukeyu206 8379.11 1176.31 267436.51 6.17 0.65 9.85 E1~E5 很好 郑单958Zhengdan958 (CK1) 7505.09 302.29 403488.82 8.46 0.79 14.24 E1~E5 较好 苏玉39Suyu39 7451.63 248.83 393573.10 8.42 1.13 18.17 E1~E5 较好 苏科玉1417Sukeyu1417 7313.25 110.45 227251.11 6.52 1.27 19.89 E1~E5 较好 迪卡517Dika517 7207.11 4.31 642054.50 11.12 0.44 10.01 E3，E4 一般 苏玉29Suyu29 7134.39 -68.41 220824.03 6.59 1.35 20.69 E1~E5 一般 先玉335Xianyu335(CK2) 6844.54 -358.26 392585.51 9.15 1.19 21.07 E1~E5 一般 苏玉41Suyu41 6610.36 -592.44 814073.59 13.65 1.29 24.48 E2，E5 不好 苏玉10号Suyu10 6379.72 -823.08 234257.94 7.59 0.88 16.69 E1~E5 较差