播种方式与种植密度互作对大穗型小麦品种产量和氮素利用率的调控效应

郑飞娜,初金鹏,张秀,费立伟,代兴龙,贺明荣

Interactive effects of sowing pattern and planting density on grain yield and nitrogen use efficiency in large spike wheat cultivar

Fei-Na ZHENG,Jin-Peng CHU,Xiu ZHANG,Li-Wei FEI,Xing-Long DAI,Ming-Rong HE

表3 播种方式与种植密度互作对大穗型小麦品种产量和氮素利用率构成因素的影响

Table 3 Effects of sowing pattern (S), planting density (D) on components of grain yield and nitrogen use efficiency in large spike wheat cultivar

年份 Year 播种方式 Sowing pattern 种植密度 Plant density (×104 plants hm-2) 穗数 Spikes per unit area (×104 plants hm-2) 穗粒数 Kernels per spike (No. spike-1) 千粒重 1000-kernel weight (g) 氮素吸收效率NUpE (%) 氮素利用效率NUtE (kg kg-1) 2015-2016 宽幅播种 Wide range T130 451.05 f 49.40 a 39.96 ef 55.73 i 33.27 b T200 540.07 de 47.48 bc 39.61 fg 68.23 e 30.70 de T270 622.61 c 45.63 cd 39.12 h 76.88 d 29.44 fg T340 696.65 b 43.55 e 38.62 i 83.52 b 28.54 gh T410 748.65 a 41.57 fg 38.13 ij 86.18 a 28.27 h T480 778.02 a 38.22 h 37.72 j 81.67 c 28.15 h T550 783.83 a 35.99 i 37.20 k 76.41 d 27.90 h 传统条播 Drilling T130 388.67 g 47.95 ab 42.99 a 46.57 j 36.21 a T200 460.33 f 45.50 d 42.68 a 55.98 hi 33.50 b T270 529.00 e 43.05 ef 42.17 b 62.71 g 31.92 c T340 583.33 cd 40.73 g 41.58 c 66.90 e 31.04 cd T410 600.63 c 38.06 h 41.06 d 65.17 f 30.79 de T480 608.50 c 35.46 i 40.19 e 61.43 g 29.70 ef T550 611.03 c 33.02 g 39.36 gh 57.56 h 28.17 h 2016-2017 宽幅播种 Wide range T130 450.27 h 45.30 bc 42.28 a 63.44 h 29.76 c T200 554.33 f 44.28 cd 41.01 b 72.36 e 28.32 ef T270 646.38 d 42.39 e 39.91 c 78.62 d 27.70 fg T340 699.82 c 41.11 f 38.92 d 83.73 b 27.29 gh T410 742.96 ab 40.01 g 38.04 ef 85.80 a 27.14 ghi T480 767.69 a 38.43 h 37.35 gh 83.72 b 26.96 hi T550 779.03 a 37.33 i 36.84 hi 81.14 c 26.43 i 传统条播Drilling T130 413.99 i 46.92 a 41.19 b 58.00 i 31.92 a T200 498.27 g 45.70 b 39.95 c 64.28 h 30.61 b T270 572.71 f 43.71 d 38.59 de 68.96 g 29.91 bc T340 608.97 de 42.50 e 37.83 fg 72.91 e 29.42 cd T410 635.73 d 41.25 f 36.63 i 71.66 f 28.96 e T480 649.79 d 39.31 gh 35.72 j 70.23 fg 27.78 fg T550 654.84 d 38.30 hi 35.21 j 69.22 g 26.54 i