冬小麦-夏玉米轮作“双晚”种植模式下的品种匹配与资源效率
|
|
闫岩, 张钰石, 刘础荣, 任丹阳, 刘洪润, 刘雪晴, 张明才, 李召虎
|
Variety matching and resource use efficiency of the winter wheat-summer maize “double late” cropping system
|
|
YAN Yan, ZHANG Yu-Shi, LIU Chu-Rong, REN Dan-Yang, LIU Hong-Run, LIU Xue-Qing, ZHANG Ming-Cai, LI Zhao-Hu
|
|
表4 2018-2019不同玉米品种的产量、产量构成因素及高稳系数
|
Table 4 Grain yield, yield components, and HSC of different summer maize varieties from 2018 to 2019
|
|
品种
Variety | 2018 | 2019 | 高稳系数
HSC | 穗数
Ears number
(×104 hm-2) | 穗粒数
Grain number
per ear | 千粒重
1000-kernel weight (g) | 产量
GY
(t hm-2) | 穗数
Ears number
(×104 hm-2) | 穗粒数
Grain number
per ear | 千粒重
1000-kernel weight (g) | 产量
GY
(t hm-2) | | 郑单958 Zhengdan 958 | 7.5 a | 462.2 cd | 344.1 de | 10.1 c | 7.7 a | 547.3 ab | 313.9 d | 11.2 bc | 0.84 | | 浚单20 Xundan 20 | 7.5 a | 505.4 a | 338.9 e | 10.9 b | 7.8 a | 493.3 c | 323.2 cd | 10.5 c | 0.89 | | 登海605 Denghai 605 | 7.4 a | 507.5 a | 356.7 c | 11.2 b | 7.8 a | 570.9 a | 343.7 b | 13.0 a | 0.93 | | 伟科702 Weike 702 | 7.4 a | 481.4 bc | 368.7 b | 11.0 b | 7.8 a | 555.0 ab | 340.8 bc | 12.5 ab | 0.91 | | 先玉335 Xianyu 335 | 7.4 a | 447.9 d | 354.5 cd | 9.9 c | 7.7 a | 515.5 bc | 369.9 a | 12.1 ab | 0.81 | | 迪卡517 Dika 517 | 7.5 a | 506.5 a | 305.4 f | 9.9 c | 7.7 a | 579.0 a | 323.7 cd | 12.3 ab | 0.80 | | MC670 | 7.4 a | 499.5 a | 391.4 a | 12.3 a | 7.7 a | 522.0 bc | 379.5 a | 13.0 a | 1.04 | | 农华816 Nonghua 816 | 7.4 a | 510.1 a | 355.5 cd | 11.3 b | 7.8 a | 581.9 a | 318.7 d | 12.2 ab | 0.95 | | 平均值 Mean | 7.4 | 490.1 | 351.9 | 10.8 | 7.8 | 545.6 | 339.2 | 12.1 | 0.90 |
|
|
|