陇东旱塬密植高产机械粒收玉米新品种筛选与评价
续创业, 张建军, 周刚, 张铠鹏, 朱晓惠, 王甲玺, 党翼, 赵刚, 王磊, 李尚中, 樊廷录

Screening and Evaluation of New Maize Varieties with Compact Planting, High Yield and Suitable for Mechanical Grain Harvest in Loess Plateau in Eastern Gansu Province
Xu Chuangye, Zhang Jianjun, Zhou Gang, Zhang Kaipeng, Zhu Xiaohui, Wang Jiaxi, Dang Yi, Zhao Gang, Wang Lei, Li Shangzhong, Fan Tinglu
表3 玉米产量及其构成因素
Table 3 Yield and its components of maize
品种
Variety
2019 2020 2021
产量
Yield
(kg/hm2)
穗粒数
Grain number
per ear
百粒重
100-grain
weight (g)
产量
Yield
(kg/hm2)
穗粒数
Grain number
per ear
百粒重
100-grain
weight (g)
产量
Yield
(kg/hm2)
穗粒数
Grain number
per ear
百粒重
100-grain
weight (g)
MC703 14 727.0 640.0 32.6 15 780.0 602.7 45.6 15 759.0 671.8 45.2
陕单650
Shandan 650
15 826.5 709.3 34.3 14 223.0 604.0 34.7 14 892.0 696.7 38.2
新玉108
Xinyu 108
12 790.5 606.2 35.4 14 278.5 746.5 43.1 14 548.5 653.2 43.5
联创825
Lianchuang 825
14 695.5 608.2 35.5 13 653.0 504.0 49.5 16 390.5 646.4 46.1
瑞普909
Ruipu 909
12 199.5 666.5 33.3 14 556.0 637.0 47.8 13 558.5 633.9 40.7
九圣禾2468
Jiushenghe 2468
14 706.0 630.9 36.4 16 000.5 642.1 40.6 14 253.0 653.2 43.2
迪卡519
Dika 519
15 529.5 690.1 38.0 15 411.0 722.6 40.8
KWS 9384 12 756.0 571.8 34.9 12 691.5 588.8 36.5
科河699
Kehe 699
11 008.5 457.0 42.0 13 558.5 609.4 43.5
先玉335
Xianyu 335
16 026.0 601.9 37.5 15 168.0 625.1 41.3 16 308.0 658.7 42.8
平均Average 14 424.0 637.6 35.0 14 295.0 608.0 41.8 14 737.5 653.5 42.1