玉米生理成熟后倒伏变化及其影响因素
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薛军,王群,李璐璐,张万旭,谢瑞芝,王克如,明博,侯鹏,李少昆
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Changes of Maize Lodging after Physiological Maturity and Its Influencing Factors
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Jun XUE,Qun WANG,Lu-Lu LI,Wan-Xu ZHANG,Rui-Zhi XIE,Ke-Ru WANG,Bo MING,Peng HOU,Shao-Kun LI
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表2 不同玉米品种生理成熟后倒伏率
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Table 2 Lodging rate of maize cultivars after physiological maturity
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品种
Cultivar | 总倒伏率 Total lodging rate (%) | | 茎折率 Stalk lodging rate (%) | | 根倒率 Root lodging rate (%) | | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | | 辽单586 Liaodan 586 | 1.7 | 11.3 | 12.1 | 12.5 | | 1.7 | 11.3 | 12.1 | 12.1 | | 0 | 0 | 0 | 0.4 | | 辽单585 Liaodan 585 | 0 | 1.3 | 2.9 | 4.8 | | 0 | 0.4 | 2.0 | 3.9 | | 0 | 0.9 | 0.9 | 0.9 | | 辽单575 Liaodan 575 | 2.3 | 5.6 | 23.0 | 23.2 | | 1.2 | 1.6 | 19.1 | 19.3 | | 1.1 | 4.0 | 4.0 | 4.0 | | MC 670 | 0 | 0.5 | 3.9 | 5.6 | | 0 | 0.5 | 3.9 | 5.6 | | 0 | 0 | 0 | 0 | | 恒育898 Hengyu 898 | 0.5 | 1.2 | 2.2 | 2.2 | | 0.5 | 1.2 | 2.2 | 2.2 | | 0 | 0 | 0 | 0 | | 宇玉30 Yuyu 30 | 4.6 | 7.5 | 10.6 | 15.7 | | 0.7 | 2.2 | 3.0 | 8.1 | | 4.0 | 5.3 | 7.6 | 7.6 | | 裕丰303 Yufeng 303 | 25.3 | 28.0 | 37.9 | 37.9 | | 1.2 | 1.2 | 7.0 | 7.0 | | 24.1 | 26.8 | 30.9 | 30.9 | | 联创808 Lianchuang 808 | 4.8 | 28.1 | 82.8 | 86.9 | | 0 | 1.4 | 4.8 | 7.3 | | 4.8 | 26.7 | 78.0 | 79.5 | 品种
Cultivar | 总倒伏率 Total lodging rate (%) | | 茎折率 Stalk lodging rate (%) | | 根倒率 Root lodging rate (%) | | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | Oct. 27 | Nov. 10 | Nov. 25 | Dec. 6 | | 联创825 Lianchuang 825 | 47.8 | 63.1 | 71.1 | 71.1 | | 0 | 0 | 0 | 0 | | 47.8 | 63.1 | 71.1 | 71.1 | | 利单295 Lidan 295 | 1.9 | 3.4 | 18.3 | 24.4 | | 0.6 | 1.9 | 15.5 | 21.6 | | 1.3 | 1.5 | 2.8 | 2.8 | | LA 505 | 1.0 | 2.6 | 5.3 | 11.4 | | 0 | 1.5 | 3.9 | 5.2 | | 1.0 | 1.0 | 1.4 | 6.3 | | 北斗309 Beidou 309 | 8.2 | 11.9 | 32.6 | 33.5 | | 1.7 | 4.5 | 23.9 | 24.7 | | 6.4 | 7.4 | 8.8 | 8.8 | | 豫单9953 Yudan 9953 | 3.5 | 3.5 | 7.5 | 25.7 | | 0 | 0 | 2.1 | 17.3 | | 3.5 | 3.5 | 5.4 | 8.5 | | 新单58 Xindan 58 | 4.6 | 6.1 | 10.6 | 20.8 | | 0.4 | 0.5 | 4.0 | 14.2 | | 4.3 | 5.6 | 6.6 | 6.6 | | 新单65 Xindan 65 | 0 | 0 | 1.0 | 11.5 | | 0 | 0 | 1.0 | 6.2 | | 0 | 0 | 0 | 5.3 | | 新单68 Xindan 68 | 0 | 0.7 | 2.5 | 50.6 | | 0 | 0.7 | 2.5 | 50.6 | | 0 | 0 | 0 | 0 | | 农华5号 Nonghua 5 | 74.6 | 74.8 | 80.9 | 80.9 | | 0.3 | 0.5 | 0.8 | 0.8 | | 74.3 | 74.3 | 80.1 | 80.1 | | 农华816 Nonghua 816 | 7.0 | 7.6 | 18.0 | 20.6 | | 0.8 | 1.4 | 11.7 | 13.7 | | 6.2 | 6.2 | 6.2 | 6.9 | | 迪卡517 Dika 517 | 0.4 | 1.0 | 7.7 | 8.2 | | 0.4 | 1.0 | 7.7 | 8.2 | | 0 | 0 | 0 | 0 | | 迪卡653 Dika 653 | 0.4 | 0.4 | 2.9 | 2.9 | | 0 | 0 | 2.5 | 2.5 | | 0.4 | 0.4 | 0.4 | 0.4 | | 陕单636 Shaandan 636 | 0.7 | 4.2 | 6.3 | 22.2 | | 0.7 | 0.9 | 1.4 | 16.9 | | 0 | 3.3 | 5.0 | 5.2 | | 陕单650 Shaandan 650 | 3.8 | 4.5 | 10.2 | 12.1 | | 0 | 0.3 | 4.9 | 6.7 | | 3.8 | 4.2 | 5.3 | 5.3 | | 泽玉501 Zeyu 501 | 0.8 | 1.7 | 2.9 | 4.5 | | 0.6 | 0.8 | 2.0 | 3.6 | | 0.2 | 0.9 | 0.9 | 0.9 | | 泽玉8911 Zeyu 8911 | 0 | 0 | 0 | 0 | | 0 | 0 | 0 | 0 | | 0 | 0 | 0 | 0 | | 吉单66 Jidan 66 | 2.4 | 3.8 | 15.0 | 16.5 | | 2.1 | 2.4 | 13.6 | 15.1 | | 0.4 | 1.4 | 1.4 | 1.4 | | 东单913 Dongdan 913 | 1.4 | 2.7 | 5.5 | 8.7 | | 0 | 0 | 2.5 | 5.7 | | 1.4 | 2.7 | 3.0 | 3.0 | | 金通152 Jintong 152 | 2.2 | 5.6 | 51.7 | 54.9 | | 0 | 1.6 | 43.7 | 45.2 | | 2.2 | 4.0 | 8.0 | 9.6 | | 中科玉505 Zhongkeyu 505 | 72.3 | 83.8 | 84.4 | 90.1 | | 3 | 0.4 | 0.8 | 6.2 | | 72.0 | 83.4 | 83.6 | 83.9 | | 平均值 Average | 9.7 b | 13.0 ab | 21.8 ab | 27.1 a | | 0.5 c | 1.4 c | 7.1 b | 11.8 a | | 9.3 a | 11.7 a | 14.7 a | 15.3 a | | 最大值 Maximum | 74.6 | 83.8 | 84.4 | 90.1 | | 2.1 | 11.3 | 43.7 | 50.6 | | 74.3 | 83.4 | 83.6 | 83.9 | | 最小值 Minimum | 0 | 0 | 0 | 0 | | 0 | 0 | 0 | 0 | | 0 | 0 | 0 | 0 | | 变异系数 CV (%) | 210.4 | 174.9 | 123.8 | 98.4 | | 130.1 | 159.3 | 132.8 | 103.3 | | 221.4 | 197.6 | 184.6 | 176.4 |
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