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
|
|
乔江方, 张盼盼, 邵运辉, 刘京宝, 李川, 张美微, 黄璐
|
Effects of Different Planting Densities and Varieties on Dry Matter Production and Yield Components of Summer Maize
|
|
Qiao Jiangfang, Zhang Panpan, Shao Yunhui, Liu Jingbao, Li Chuan, Zhang Meiwei, Huang Lu
|
|
表4 不同密度和品种对夏玉米籽粒产量及其构成因素的影响
|
Table 4 Effects of densities and varieties on the grain yield and its components of summer maize
|
|
密度 Density | 品种 Variety | 穗行数 Rows per ear | 行粒数 Kernel number per row | 千粒重 1000-grain weight (g) | 产量 Yield (t/hm2) | 收获指数 Harvest index | | D1 | ZD309 | 14.5±0.5bc | 36.9±1.3ab | 392.10±5.82abc | 10.10±0.34ij | 0.48±0.01abc | | ZD326 | 14.9±0.1bc | 37.0±0.5ab | 380.00±7.26abc | 10.09±0.18ij | 0.55±0.03abc | | ZD958 | 15.3±0.4b | 36.9±1.0ab | 372.63±17.70abc | 10.35±0.39hij | 0.52±0.02abc | | ZY303 | 18.0±0.0a | 36.9±2.1ab | 409.17±41.12a | 10.75±0.94ghij | 0.48±0.03abc | | D2 | ZD309 | 14.7±0.5bc | 34.5±0.6abcde | 379.07±4.76abc | 10.55±0.25ghij | 0.56±0.03abc | | ZD326 | 14.8±0.8bc | 33.2±0.7bcdef | 362.33±8.84abc | 9.48±0.33j | 0.49±0.01abc | | ZD958 | 14.4±0.5bc | 38.6±0.9a | 388.03±8.17abc | 11.89±0.29cdefghij | 0.63±0.04ab | | ZY303 | 17.5±0.6a | 36.3±0.5abc | 364.87±12.75abc | 11.15±0.56efghij | 0.53±0.02abc | | D3 | ZD309 | 14.8±0.4bc | 33.5±0.5bcdef | 374.47±10.03abc | 10.68±0.54ghij | 0.47±0.04abc | | ZD326 | 14.4±0.4bc | 34.1±1.0bcdef | 369.40±5.36abc | 10.90±0.41fghij | 0.64±0.04a | | ZD958 | 15.2±0.4b | 36.7±0.7ab | 374.47±11.97abc | 12.04±0.63cdefghi | 0.50±0.01abc | | ZY303 | 17.7±0.5a | 36.3±0.5abc | 354.00±5.41bc | 12.60±0.28cdefgh | 0.50±0.00abc | | D4 | ZD309 | 14.7±0.3bc | 35.8±0.7abcd | 374.30±3.18abc | 12.28±0.07cdefghi | 0.54±0.05abc | | ZD326 | 14.8±0.6bc | 35.7±0.6abcd | 369.63±4.82abc | 12.80±0.42cdefg | 0.55±0.05abc | | ZD958 | 14.5±0.1bc | 34.5±0.5abcde | 364.47±12.72abc | 11.77±0.86cdefghij | 0.43±0.05c | | ZY303 | 17.3±0.7a | 36.0±0.7abc | 358.70±7.35bc | 13.31±0.63bcdef | 0.48±0.02abc | | D5 | ZD309 | 14.9±0.3bc | 31.0±0.8ef | 347.33±10.62bc | 11.06±0.52fghij | 0.48±0.03abc | | ZD326 | 14.3±0.4bc | 31.7±3.0def | 361.07±17.90abc | 11.33±0.90defghij | 0.47±0.04abc | | ZD958 | 14.4±0.5bc | 34.6±1.6abcde | 357.57±12.37bc | 13.49±0.76bcde | 0.5±0.06abc | | ZY303 | 17.5±0.5a | 34.5±1.0abcde | 398.07±43.93ab | 14.07±0.76bc | 0.55±0.04abc | | D6 | ZD309 | 14.0±0.0bc | 33.9±1.4bcdef | 368.60±12.87abc | 13.71±0.93bcd | 0.62±0.09ab | | ZD326 | 14.0±0.7bc | 31.2±0.6ef | 356.33±5.48bc | 11.82±0.63cdefghij | 0.45±0.04bc | | ZD958 | 13.3±1.3c | 33.1±1.5bcdef | 356.77±5.05bc | 12.71±0.70cdefgh | 0.54±0.05abc | | ZY303 | 17.2±0.5a | 32.4±1.1cdef | 343.07±5.60c | 13.62±0.26bcd | 0.48±0.04abc | | D7 | ZD309 | 14.7±0.5bc | 31.8±1.5def | 351.60±12.20bc | 13.28±1.75bcdef | 0.52±0.08abc | | ZD326 | 14.3±0.1bc | 30.3±2.3f | 351.80±5.89bc | 11.91±1.24cdefghij | 0.54±0.08abc | | ZD958 | 14.8±0.8bc | 35.8±0.8abcd | 362.97±1.19abc | 15.24±1.12b | 0.42±0.03c | | ZY303 | 18.1±0.4a | 34.4±1.2bcdef | 343.87±2.50c | 17.53±0.48a | 0.55±0.02abc |
|
|
|