播期和种植密度对油菜产量和茎秆抗倒性的影响
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袁圆,汪波,周广生,刘芳,黄俊生,蒯婕
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Effects of Different Sowing Dates and Planting Densities on the Yield and Stem Lodging Resistance of Rapeseed
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YUAN Yuan,WANG Bo,ZHOU GuangSheng,LIU Fang,HUANG JunSheng,KUAI Jie
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表2 不同播期和密度对油菜产量及产量构成的影响
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Table 2 Effects of different sowing dates and planting densities on rapeseed yield and yield composition
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年份
Year | 播期
Sowing date | 品种
Variety | 密度
Density | 单株角果数
Effective pods per plant | 每角粒数
Seeds
per pod | 千粒重
1000-seed
weight (g) | 单株产量
Yield
per plant (g) | 成株率
Survival
rate (%) | 实际产量
Yield
(kg·hm-2) | | 2017-2018 | T1 | 华油杂62
HZ 62 | D1 | 315.0b | 17.41a | 3.68a | 20.51a | 93.60a | 2742.3c | | D2 | 185.0ef | 17.00ab | 3.76a | 11.82d | 87.93bc | 2901.0b | | D3 | 156.8gh | 16.46bcd | 3.60a | 9.24e | 84.22cd | 3290.9a | | D4 | 103.7k | 16.14cde | 3.69a | 6.11h | 82.59de | 2649.1cd | 沣油520
FY 520 | D1 | 372.4a | 16.88b | 3.18bc | 19.99a | 93.53a | 2555.7de | | D2 | 222.8d | 16.58bcd | 3.08bcd | 11.39d | 87.06bc | 2939.5b | | D3 | 172.6fg | 15.45fgh | 3.13bcd | 8.36f | 81.57de | 2731.0c | | D4 | 128.4ij | 15.03h | 3.04cde | 7.03g | 77.30fg | 2625.9cde | | T2 | 华油杂62
HZ 62 | D1 | 262.9c | 16.63bc | 3.26b | 14.25b | 94.51a | 1866.0i | | D2 | 171.8fg | 16.17cde | 3.23bc | 8.96ef | 88.57b | 2261.0gh | | D3 | 141.7hi | 15.88ef | 3.19bc | 7.19g | 83.99cd | 2467.1ef | | D4 | 106.9k | 15.01h | 3.19bc | 5.12i | 79.91ef | 2484.9def | 沣油520
FY 520 | D1 | 274.3c | 16.07de | 3.02cde | 13.33c | 96.94a | 1857.7i | | D2 | 190.8e | 15.66efg | 2.92de | 8.73ef | 87.36bc | 2203.5gh | | D3 | 154.9h | 15.38fgh | 2.94de | 6.99g | 79.94ef | 2362.2fg | | D4 | 113.5jk | 15.29gh | 2.87e | 4.99i | 75.55g | 2126.8h | | 2018-2019 | T1 | 华油杂62
HZ 62 | D1 | 284.0b | 16.26a | 3.58c | 17.19a | 97.60a | 2311.5c | | D2 | 173.6e | 16.00ab | 3.77ab | 10.45b | 93.10ab | 2704.5ab | | D3 | 139.6g | 15.77bcd | 3.79a | 8.28d | 84.50c | 2854.7a | | D4 | 96.1ij | 15.49de | 3.70b | 5.52f | 83.30c | 2655.0b | 沣油520
FY 520 | D1 | 312.6a | 16.16a | 3.30de | 16.60a | 95.20a | 2113.5d | | D2 | 182.6de | 15.80bcd | 3.26ef | 9.67bc | 93.30ab | 2660.3b | | D3 | 152.7fg | 15.50de | 3.29ef | 7.75de | 83.80c | 2534.6b | | D4 | 102.3ij | 15.34ef | 3.21 f | 5.06 fg | 80.70 cde | 2339.1 c | | T2 | 华油杂62
HZ 62 | D1 | 194.1 cd | 16.04ab | 3.21f | 10.00bc | 94.80a | 1384.5h | | D2 | 141.4fg | 15.95abc | 3.24ef | 7.31e | 84.40c | 1669.5fg | | D3 | 108.7hi | 15.66cd | 3.37d | 5.74f | 78.30def | 1792.0ef | | D4 | 86.0j | 15.06f | 3.28ef | 4.26gh | 76.90ef | 1932.7e | 沣油520
FY 520 | D1 | 206.0c | 15.73bcd | 2.94g | 9.39c | 89.70b | 1198.2i | | D2 | 157.4f | 15.32ef | 2.92g | 7.05e | 82.20cd | 1514.6gh | | D3 | 123.4h | 15.13f | 2.98g | 5.58f | 77.30ef | 1836.3ef | | D4 | 89.8j | 14.74g | 2.95g | 3.90h | 75.60f | 1570.7g | | 方差分析Variance analyses | | | | | | | | | 2017-2018 | T | ** | ** | ** | ** | NS | ** | | V | ** | ** | ** | * | ** | ** | | D | ** | ** | NS | ** | ** | ** | | T×V | ** | * | ** | NS | NS | NS | | T×D | ** | NS | NS | ** | NS | ** | | V×D | ** | NS | NS | * | * | ** | | T×V×D | ** | * | NS | NS | NS | ** | | 2018-2019 | T | ** | ** | ** | ** | ** | ** | | V | ** | ** | ** | ** | * | ** | | D | ** | ** | ** | ** | ** | ** | | T×V | NS | * | ** | NS | NS | NS | | T×D | ** | NS | NS | ** | * | ** | | V×D | ** | NS | ** | NS | NS | * | | T×V×D | ** | NS | NS | NS | NS | * |
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