株行距及穴苗数的配置对寒地水稻产量和品质的影响

曹亮,黄炳林,王孟雪,张玉先

Effects of Row Spacing and Number of Seedling Per Hole on Yield and Quality of Rice in Cold Regions

Liang Cao,Binglin Huang,Mengxue Wang,Yuxian Zhang

表3 龙粳31不同群体产量、产量构成及变异系数的比较

Table 3 Longjing 31 yield, yield components and the variation coefficient of different groups

处理 Treatment 单位面积穗数 Panicles per m2 穗粒数 Spikelets per panicle 结实率(%) Setting percentage 千粒重(g) 1000-grain weight 产量(kg/hm2) Yield A1 B1 488.7dCD 69.9jI 87.9cdeABCDE 24.5gFG 7 365.0iIJ B2 457.7hH 78.3ghFG 84.8gG 25.1cdeCDE 7 629.0hHI B3 483.3eDE 73.5iH 87.8cdeBCDEF 25.8aA 8 052.0fgFG B4 428.3jJ 92.7bAB 89.9aA 25.6abAB 9 118.5bBC B5 394.3mM 84.8dC 86.efEFG 24.8fEF 7 191.0iJ B6 493.0cBC 80.3fEF 88.8abcABCD 24.0hH 8 439.0dE A2 B1 408.3lL 83.6deCD 88.1bcdeABCDE 25.2cdBCDE 7 581.0hI B2 475.0fF 78.9fghFG 87.0defCDEF 25.4bcBCD 8 262.0deEF B3 452.3iHI 84.0dCD 85.9fgFG 25.4bcBC 8 289.0deEF B4 497.3bB 79.4fgFG 88.3bcdABCDE 25.3bcBCD 8 829.0cD B5 534.7aA 70.9jI 88.7abcABCDE 24.4gG 8 205.0efEF B6 419.0kK 94.9aA 89.5abAB 25.6abAB 9 094.5bBC A3 B1 466.0gG 77.3hG 87.1defCDEF 25.0defDE 7 857.0gGH B2 486.7deD 82.2eDE 88.9abcABC 24.9defE 8 863.5cCD B3 474.3fF 83.2deCD 89.0abcABC 24.9efEF 8 719.5cD B4 478.3fEF 90.8cB 86.8defDEF 25.4bcBCD 9 556.5aA B5 483.7eDE 83.7deCD 89.6abAB 25.6abAB 9 277.5bB B6 449.0iI 91.5bcB 88.1bcdeABCDE 25.3bcBCD 9 159.0bB 变异系数Coefficient of variation (%) 9.5 8.7 1.6 1.9 8.4