回交自交系群体4对主基因加多基因混合遗传模型(7)

204

作 物 学 报

表5 模拟随机区组试验的方差分析结果

Table 5 ANOVA of simulated random block experiment with 320 families

变异来源 Source of variation

第39卷

df SS MS F-value P>F 2 11017.18 5508.59 565.59 <0.0001 319 8140772.01 25519.66 2621.35 <0.0001 638 6211.13 9.74

区组 Block 家系 Family 误差 Error

总变异 Total variation

959 8158000.32

表6 模拟实验中不同遗传模型的极大似然值和AIC值

Table 6 Maximum likelihood values and AIC values of different genetic model in simulation experiment

似然值 ML

AIC值 AIC value

模型 Model

似然值 ML

AIC值 AIC value

模型 Model

似然值 ML

模型 Model AIC值 AIC value

A-1 E-1-0 B-1-1 –9360.23 E-1-1 –3295.54 E-1-2 –3537.00 E-1-3 B-1-4 –7942.59 E-1-4 –1686.93 B-1-5 –7942.59 E-1-5 –2206.50 B-1-6 –7942.59 E-1-6 –2450.60 E-1-7 –954.46 E-1-8 –1092.57 E-1-9 –1422.38 B-2-1 –9394.99 E-2-0 E-2-1 –3367.29 E-2-2 B-2-4 –7942.59 E-2-3 –1398.10 B-2-5 –7942.59 E-2-4 –1595.39 B-2-6 –7942.59 E-2-5 –2222.10 E-2-6 –2284.04 E-2-7 –1422.39 E-2-8 –942.40 C-0 –2166.58

表7 模型I-0的适合性测验结果

Table 7 Tests for goodness of fit of model I-0

U2U22

3

F-2 –26473.61 52959.23 F-3 –9983.07 19976.14 F-4 –10821.56 21651.13 G-0 –17539.96 35103.92 G-1 –8255.53 16533.07 G-2 –16890.41 33796.83 G-3 –9617.25 19248.50 G-4 –14792.08 29596.15 H-0 H-1 H-2

–729.18 1488.36 –737.37 1500.73 –783.28 1592.55

H-3 –3683.20 7378.41 H-4 –2318.11 4646.22 H-5 –1579.87 3167.73 I-1 –5100.15 10228.30 I-2 –5418.45 10852.89 I-3 –2509.10 5030.21 I-4 –1432.96 2877.92 I-5 –1423.22 2856.45

世代 Generation

P1

P2 BIL

U120.0003 (>0.05) 0.0003 (>0.05) 2.7355 (>0.05)

<0.0001 (>0.05) <0.0001 (>0.05) 1.2460 (>0.05) 0.0037 (>0.05) 0.0037 (>0.05) 3.7667 (>0.05)

nW20.0391 (>0.05) 0.0391 (>0.05) 98.6104 (>0.05) Dn0.1921 (>0.05) 0.1921 (>0.05) 0.0759 (>0.05)

表8 模拟数据参数估计结果

Table 8 Estimates of parameters of simulation experiment

一阶遗传参数 First order genetic parameters

参数 Parameter

设定值 Given value

估计值 Estimate

参数 Parameter

设定值 Given value

二阶遗传参数 Second order genetic parameters 估计值 Estimate

参数 Parameter

设定值 Given value

估计值 Estimate

m1 100.0 98.27 iab 25.0 25.66 σmg2 4000.00 4171.29 m2 135.0 130.79 iac 8.0 8.25 σpg2 2500.00 2621.38 m3 105.0 106.40 iad –45.0 –44.53 σe2 1000.00 861.30

2

hmg(%) 0.53 0.54 78.81 ibc 8.0 8.38 da 75.0 db dc dd

hpg2(%) 10.0 9.09 ibd 30.0 24.81 –8.0 –8.22 icd 12.0 8.31 –60.0 –61.08

0.33 0.34