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1 各品种的相关参数统计结果

Table 1 Statistical results of parameters of various varieties

品种 Variety 籽粒含水率 Grain moisture content (%) 倒伏倒折率 Lodging and breaking rate (%) 籽粒破碎率 Grain broken rate (%) 均产 Average yield (kg/hm2) 较CK1增产 Increased yield compared with CK1 (±%) 较CK2增产 Increased yield compared with CK2 (±%) 高稳系数 High stability coefficient (%) 苏科玉206Sukeyu206 26.74±1.60 4.61±4.36 5.06±1.23 8379.1Aa 11.65 22.42 91.50 郑单958Zhengdan958(CK1) 29.35±1.71 8.44±8.94 10.58±3.55 7505.1Bb － 9.65 77.96 苏玉39Suyu39 32.06±1.13 12.97±14.19 15.49±3.02 7451.6Bb -0.71 8.87 73.86 苏科玉1417Sukeyu1417 30.57±2.25 14.22±12.65 11.77±3.45 7313.2BCb -2.56 6.85 70.96 迪卡517Dika517 25.76±1.07 9.96±8.09 3.64±1.15 7207.1BCbc -3.97 5.30 78.56 苏玉29Suyu29 31.51±1.18 14.66±15.87 13.63±3.68 7134.4BCDbc -4.94 4.23 68.54 先玉335Xianyu335(CK2) 28.11±1.88 14.12±11.45 6.98±1.96 6844.5CDEcd -8.80 － 65.44 苏玉41Suyu41 31.64±1.32 26.44±15.75 14.44±4.25 6610.4DEde -11.92 -3.42 60.47 苏玉10号Suyu10 26.38±1.36 17.62±13.29 5.71±1.46 6379.7Ee -14.99 -6.79 64.38