密度和行距配置对油菜苗期性状及产量形成的影响
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蒯婕,李真,汪波,刘芳,叶俊,周广生
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Effects of Density and Row Spacing on Seedling Traits of Rapeseed and Seed Yield
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KUAI Jie,LI Zhen,WANG Bo,LIU Fang,YE Jun,ZHOU GuangSheng
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表2 密度和行距配置对油菜成熟期农艺性状的影响
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Table 2 Effect of density and row spacing on agronomic characters of rapeseed at maturity stage
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年份
Year | 品种
Variety | 密度
Density | 行距
Row Spacing | 根颈粗
Root crown diameter (mm) | 根干重
Root biomass (g/plant) | 株高
Plant height (cm) | 有效分枝起点
Branch height (cm) | 有效分枝数
Branch
number | 地上部干重
Shoot biomass (g/plant) | | 2016—2017 | 华杂62
HZ62 | D1 | R15 | 16.19b | 14.37b | 188.6ab | 71.1f | 7.5a | 68.70c | | R25 | 16.84a | 16.11a | 193.8a | 77.0e | 7.2a | 79.00a | | R35 | 15.51c | 13.30c | 187.4ab | 79.3e | 6.5b | 74.69b | | D2 | R15 | 13.98d | 8.73d | 182.8bc | 85.3d | 6.1c | 50.12d | | R25 | 13.66d | 7.62e | 181.8bc | 86.7d | 6.0c | 48.30e | | R35 | 13.05e | 5.26f | 176.4c | 95.0b | 5.4d | 46.80f | | D3 | R15 | 12.07f | 4.92g | 175.6c | 86.7d | 6.1c | 40.20g | | R25 | 10.69g | 4.32h | 174.4c | 91.4c | 5.4d | 36.98h | | R35 | 10.65g | 4.52h | 173.5c | 101.1a | 5.0e | 36.90h | | 方差分析 Variance analyses | | | | | | | | FD | | | ** | ** | ** | ** | ** | ** | | FR | | | ** | ** | NS | ** | ** | ** | | FD×FR | | | ** | ** | NS | ** | ** | ** | | 2017—2018 | 华杂62
HZ62 | D1 | R15 | 18.57c | 13.05b | 171.2b | 68.7d | 6.8c | 66.22c | | R25 | 21.74a | 13.91a | 179.6a | 67.7d | 8.3a | 87.72a | | R35 | 20.08b | 13.26b | 175.1ab | 69.2d | 7.4b | 77.29b | | D2 | R15 | 15.59d | 7.39c | 171.7b | 79.3c | 5.9d | 51.43d | | R25 | 14.67e | 6.65d | 159.5c | 78.5c | 5.5e | 43.58e | | R35 | 14.07f | 6.19d | 150.9d | 77.8c | 4.1g | 33.60fg | | D3 | R15 | 12.67g | 4.90e | 145.2de | 84.1b | 4.9f | 34.96f | | R25 | 12.09h | 4.65e | 143.4e | 85.1b | 4.0g | 32.93fg | | R35 | 12.48gh | 4.86e | 142.5e | 90.9a | 4.2g | 30.60h | | 1301 | D1 | R15 | 16.83b | 5.99a | 161.6a | 61.0e | 8.0b | 66.38b | | R25 | 18.08a | 6.04a | 163.9a | 59.3e | 8.3a | 75.20a | | R35 | 16.83b | 5.65b | 157.8b | 59.4e | 7.2c | 58.43c | | D2 | R15 | 14.82c | 5.08c | 157.6b | 74.1d | 6.8d | 46.01d | | R25 | 13.20d | 4.21d | 154.5bc | 86.6b | 5.5f | 43.70e | | R35 | 12.41e | 3.27e | 153.9bc | 81.8c | 6.0e | 37.19f | | D3 | R15 | 11.56f | 3.09e | 151.8cd | 88.4ab | 4.6g | 34.61g | | R25 | 10.87g | 2.73f | 148.5de | 90.6a | 4.3i | 32.30h | | R35 | 9.96h | 2.72f | 146.8e | 90.3a | 4.4h | 28.62i | | 方差分析 Variance analyses | | | | | | | | 品种Variety (V) | | ** | ** | ** | ** | ** | ** | | 密度Density (D) | | ** | ** | ** | ** | ** | ** | | 行距Row spacing (R) | | ** | ** | NS | ** | ** | ** | | 品种×密度V×D | ** | ** | ** | ** | ** | ** | | 品种×行距V×R | ** | ** | NS | ** | ** | ** | | 密度×行距D×R | ** | ** | ** | ** | ** | ** | | 品种×密度×行距V×D×R | ** | ** | ** | ** | ** | ** |
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