不同种植密度和品种对夏玉米物质生产和产量构成的影响
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乔江方, 张盼盼, 邵运辉, 刘京宝, 李川, 张美微, 黄璐
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Effects of Different Planting Densities and Varieties on Dry Matter Production and Yield Components of Summer Maize
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Qiao Jiangfang, Zhang Panpan, Shao Yunhui, Liu Jingbao, Li Chuan, Zhang Meiwei, Huang Lu
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表2 不同密度和品种处理对夏玉米花前、花后干物质生产的影响
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Table 2 Effects of densities and varieties on the dry matter production of summer maize before and after the anthesis stage
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密度
Density | 品种
Variety | 干物质量Dry matter (t/hm2) | 花后干物质量/成熟期干物质量
Dry matter after anthesis/dry matter in maturity (%) | | 成熟期Maturity | 花前Before anthesis | 花后After anthesis | | D1 | ZD309 | 21.18±0.97ghij | 7.17±0.18fg | 14.01±0.98defg | 66.11±1.77abc | | ZD326 | 18.49±0.97ij | 7.37±0.18efg | 11.12±1.11fg | 60.02±2.98bcde | | ZD958 | 20.01±0.16hij | 6.28±1.59g | 13.74±1.47defg | 68.68±7.76ab | | ZY303 | 22.16±0.77fghij | 7.59±1.20efg | 14.57±0.86cdefg | 65.79±4.68abc | | D2 | ZD309 | 19.10±2.53hij | 7.18±0.52fg | 11.92±2.54fg | 62.02±5.40abcde | | ZD326 | 19.40±1.49hij | 7.28±1.25fg | 12.12±0.96efg | 62.55±4.72abcd | | ZD958 | 19.20±3.10hij | 7.65±0.32efg | 11.55±3.38fg | 59.35±7.78bcde | | ZY303 | 21.21±0.46ghij | 9.13±0.46cdef | 12.08±0.24efg | 56.97±1.46bcde | | D3 | ZD309 | 23.01±2.56efghi | 8.37±0.54defg | 14.64±3.09cdefg | 63.18±6.17abc | | ZD326 | 18.09±4.75j | 8.60±1.06def | 9.49±3.91g | 50.89±9.18de | | ZD958 | 23.90±2.38cdefgh | 7.50±1.79efg | 16.40±1.14bcdef | 68.86±5.23ab | | ZY303 | 25.24±0.70cdefg | 9.18±0.82cdef | 16.06±0.58bcdef | 63.64±2.58abc | | D4 | ZD309 | 23.10±3.33efghi | 10.19±0.40abcd | 12.90±3.67efg | 55.12±7.82cde | | ZD326 | 23.59±1.91defgh | 9.08±0.39cdef | 14.50±1.91cdefg | 61.32±3.48abcde | | ZD958 | 27.64±2.42cde | 9.27±0.49cdef | 18.37±2.75bcd | 66.24±4.24abc | | ZY303 | 27.52±1.18cde | 10.28±0.80abcd | 17.24±0.53bcde | 62.66±1.55abcd | | D5 | ZD309 | 23.05±0.92efghi | 9.95±1.83abcd | 13.10±2.04efg | 56.78±8.30bcde | | ZD326 | 23.99±0.84cdefgh | 9.97±1.44abcd | 14.02±2.18defg | 58.30±7.28bcde | | ZD958 | 28.01±5.69bcd | 9.51±0.45bcde | 18.50±5.42bcd | 65.31±5.63abc | | ZY303 | 25.87±1.01cdefg | 11.70±1.58a | 14.16±2.34defg | 54.62±7.16cde | | D6 | ZD309 | 23.23±5.05defghi | 11.12±0.35abc | 12.11±4.81efg | 50.53±11.03e | | ZD326 | 26.42±2.01cdef | 10.35±0.99abcd | 16.07±2.98bcdef | 60.50±6.43bcde | | ZD958 | 23.81±1.76cdefgh | 10.51±0.99abcd | 13.31±2.63defg | 55.55±7.18cde | | ZY303 | 28.60±2.96bc | 9.17±0.51cdef | 19.44±2.47bc | 67.84±1.77ab | | D7 | ZD309 | 25.96±1.18cdefg | 11.18±1.55abc | 14.77±2.64cdef | 56.71±7.55bcde | | ZD326 | 22.52±1.88fghij | 11.10±0.13abc | 11.42±1.98fg | 50.46±4.57e | | ZD958 | 35.96±0.98a | 9.82±2.31abcd | 26.14±2.82a | 72.64±6.84a | | ZY303 | 32.21±3.55ab | 11.60±1.96ab | 20.61±3.32b | 63.86±5.65abc |
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