甜荞茎秆重心高度和抗折力的遗传分析

胡丹

Genetic Analysis of Culm Gravity Height and Snapping Resistance in Common Buckwheat

Hu Dan

表7 茎秆重心高度和抗折力二阶遗传参数估计值

Table 7 Estimates of second order genetic parameters for culm gravity height and snapping resistance in reciprocal crosses

组合 Combination 二阶遗传参数 2nd order genetic parameter 茎秆重心高度Culm gravity height 茎秆抗折力Culm snapping resistance B1 B2 F2 B1 B2 F2 P1×P2 σp2 21.92 18.41 35.95 0.22 0.17 0.69 σmg2 0.17 0.00 0.16 0.13 0.07 0.59 σpg2 3.34 0.00 17.39 0.00 0.00 0.00 σe2 18.41 18.41 18.41 0.10 0.10 0.10 hmg2 (%) 10.00 0.00 0.00 57.26 43.22 86.13 hpg2 (%) 15.25 0.00 48.00 0.00 0.00 0.00 P2×P1 σp2 23.40 17.89 20.37 0.24 0.29 0.23 σmg2 13.73 7.12 10.71 0.17 0.20 0.18 σpg2 0.00 1.11 0.00 0.02 0.04 0.00 σe2 9.66 9.66 9.66 0.05 0.05 0.05 hmg2 (%) 80.22 39.78 60.61 69.94 68.12 91.75 hpg2 (%) 0.00 6.20 0.00 7.84 13.43 0.00