年际气象差异对西南丘陵区玉米物质积累与产量的影响
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李强, 孔凡磊, 袁继超
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Effects of Interannual Meteorological Factors on Maize Dry Matter Accumulation and Yield in the Hilly Area of Southwest China
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Li Qiang, Kong Fanlei, Yuan Jichao
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表1 年际间花前干物质转运与花后干物质同化差异
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Table 1 Differences of pre-flowering dry matter translocation and post-flowering dry matter assimilation in different years
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| 品种Cultivar | 年份Year | DMT (t/hm2) | PDMT (t/hm2) | DMTE (%) | CAG (%) | CPAG (%) | | 正红311 | 2011 | 1.32a | 6.10d | 24.31ab | 17.73a | 82.27d | | Zhenghong 311 | 2012 | 0.60de | 5.32ef | 11.63de | 10.34bc | 89.66bc | | 2013 | 0.50ef | 7.26b | 7.81efg | 6.40cd | 93.60ab | | 2014 | 0.47ef | 7.35b | 7.85efg | 5.97cd | 94.03ab | | 2015 | 0.30fg | 7.16b | 4.83fg | 3.99d | 96.01a | | 2016 | 0.24g | 7.84a | 3.85g | 3.00d | 97.00a | | 先玉508 | 2011 | 1.26a | 4.98f | 29.24a | 20.17a | 79.83d | | Xianyu 508 | 2012 | 0.96b | 3.99g | 27.27ab | 19.48a | 80.52d | | 2013 | 1.28a | 5.38e | 23.17b | 19.29a | 80.71d | | 2014 | 0.89bc | 5.93d | 17.86c | 13.04b | 86.96c | | 2015 | 0.73cd | 5.12ef | 13.72cd | 12.49b | 87.51c | | 2016 | 0.52ef | 6.58c | 9.40def | 7.28cd | 92.72ab | | F值 | 品种Cultivar (C) | 51.30** | 100.53** | 28.29** | 23.78** | 23.78** | | F-value | 年份Year (Y) | 25.71** | 23.40** | 9.92* | 7.20* | 7.20* | | C×Y | 4.75** | 2.67* | 3.31* | 2.78* | 2.78* |
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