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| 秦巴山地耐密玉米品种筛选试验初探 |
| Screening of Density-Tolerant Maize Varieties in Qinba Mountain Area |
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| DOI： |
| 中文关键词: 玉米 耐密 品种 |
| 英文关键词:Maize Density tolerance Variety |
| 基金项目:陕西省重点研发计划（2022NY-187）；陕西省重点研发计划（2023-YBNY-050）;陕西省农业协同创新与推广联盟2021年示范推广项目（LM202102）。 |
| 作者 | 单位 | | 李 勤,张增川,李 云,张秀英,王帮庆,何忠军,龙德祥,[BT2]余正军,张先平,赵建新 | （汉中市农业技术推广与培训中心,陕西 汉中 723000） |
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| 中文摘要: |
| 为选择适宜汉中地区高密度种植的玉米品种，开展耐密玉米品种筛选试验，结果表明，产量大于700 kg/667 m2的3个品种中，ND367表现耐密且抗倒性强； 667 m2产量间于650 kg～700 kg的5个品种中，沃丰9号和先玉1798表现耐密且抗倒性强；产量间于600～650 kg/667 m2的14品种中，HY-13、登海679、汉玉11、五单2号、HY-12、润丰765、中金368和源育66表现耐密且抗倒性强,可为秦巴山地玉米增密度种植中耐密品种的选用提供参考。 |
| 英文摘要: |
| To select maize varieties suitable for high-density planting in the Hanzhong area, a screening experiment on density-tolerant maize varieties was conducted. The results showed that among the three varieties with a yield of more than 700 kg per 667 m2, ND367 exhibited strong density tolerance and lodging resistance. Among the five varieties with a yield between 650 and 700 kg per 667 m2, ‘Wofeng 9’ and ‘Xianyu 1798’ exhibited strong density tolerance and lodging resistance. Among the fourteen varieties with a yield between 600 and 650 kg per 667 m2, HY-13, ‘Denghai 679’, ‘Hanyu 11’, ‘Wudan 2’, ‘HY-12’, ‘Runfeng 765’, ‘Zhongjin 368’, and ‘Yuanyu 66’ exhibited strong density tolerance and lodging resistance. These results provide a reference for the selection of density-tolerant maize varieties for increased planting density in the Qinba Mountain area. |
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