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2 垦稻26不同群体产量、产量构成及变异系数的比较

Table 2 Kendao 26 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 479.0aAB 97.0ijHI 92.4aA 25.4efEF 9 895.5ghFGH B2 344.3jJ 110.8bcBC 86.5hiHI 26.3aAB 9 154.5jI B3 391.7gH 108.5cdCD 86.1iIJ 26.0abcABCD 10 111.5fgEFG B4 467.3bBC 102.8efgEFG 88.3fgEFGHI 25.2efF 10 888.5bcABC B5 420.7eF 113.5bB 88.2fghFGHI 26.0abABC 11 239.5aA B6 466.7bBC 105.4deDE 91.6abAB 25.5defCDEF 10 803.0bcBCD A2 B1 407.0fG 101.5fghEFGH 84.1jJ 25.8bcdBCDE 9 847.5ghFGH B2 449.7cD 96.2jIJ 90.0bcdeBCDEF 25.5defDEF 9 732.0hiGH B3 422.7eEF 98.5hijGHI 89.3defCDEF 25.6cdeCDEF 9 510.0iHI B4 348.3ijIJ 104.3efDEF 89.0defDEFG 25.3efEF 8 250.0kJ B5 449.7cD 102.8efgEFG 89.6cdefBCDEF 25.6cdeCDEF 10 473.0deDE B6 485.3aA 101.3fghEFGH 89.5cdefBCDEF 25.2fF 11 049.0abAB A3 B1 435.3dE 100.1ghiFGHI 91.0abcABCD 25.2efF 9 547.5iHI B2 357.0hiIJ 108.2cdCD 91.4abABC 25.1fF 8 395.5kJ B3 360.3hI 113.8bB 88.7efEFGH 26.4aA 9 691.5hiH B4 433.7dEF 92.3kJ 87.0ghiGHI 25.2efF 9 190.5jI B5 385.7gH 119.4aA 90.5bcdABCDE 25.2fF 10 198.5efEF B6 462.3bCD 98.8hijGHI 89.6cdefBCDEF 26.1abAB 10 621.5cdCD 变异系数Coefficient of variation (%) 11.1 7.2 2.4 1.7 15.6