Table 2.
Analysis of variance of a 13-by-13 diallel table for days to anthesis of maize evaluated at three locations in Kenya using SASHAYDIALL.
| Item | df | Kiboko, 2009 |
Kiboko, 2012 |
Embu, 2012 |
Kakamega, 2012 |
Across locations |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| MS† | F-test | MS | F-test | MS | F-test | MS | F-test | MS | F-test | ||
| a‡ | 12 | 6.27 | 14.98*** | 14.25 | 26.41*** | 32.08 | 12.04*** | 18.91 | 13.42*** | 40.79 | 2.28* |
| b1 | 1 | 20,945.04 | 12,948.19*** | 21,933.59 | 30,508.4*** | 25,095.64 | 5,754.31*** | 26,579.56 | 18,861.17*** | 68,868.40 | 2.99NS§ |
| b2 | 12 | 4.67 | 9.02*** | 11.41 | 15.73*** | 17.16 | 4.60*** | 16.59 | 11.77*** | 11.37 | 1.69NS |
| b3 | 65 | 5.74 | 14.16*** | 7.10 | 12.12*** | 9.45 | 4.25*** | 9.12 | 6.47*** | 0.81 | 1.11NS |
| b | 78 | 274.03 | 625.68*** | 288.87 | 474.24*** | 332.26 | 133.90*** | 350.92 | 249.01*** | 885.35 | 2.*** |
| a × Environment (Env) | 36 | 17.92 | 0.58NS | ||||||||
| b1 × Env | 3 | 23,042.24 | 742.32*** | ||||||||
| b2, × Env | 36 | 6.74 | 0.22NS | ||||||||
| b3 × Env | 195 | 0.73 | 0.02NS | ||||||||
| b × Env | 234 | 297.06 | 9.57** | ||||||||
| Genotype (Gen) | 90 | 10.66 | 13.98*** | 15.56 | 14.29*** | 25.02 | 5.68*** | 20.30 | 7.92*** | 59.43 | 26.96*** |
| Environment | 3 | 3,460.39 | 13.32*** | ||||||||
| Gen x Env | 270 | 4.03 | 1.83*** | ||||||||
| Replication(Env) | 4 | 4.74 | 2.15NS | ||||||||
| Error | 360 | 31.04 | |||||||||
*,**,***
Significant at the 0.05, 0.01, and 0.001 probability levels, respectively.
†
MS, mean square.
‡
a, additive effect; b, dominance effect; b1, measure of directional dominance; b2, measure of ambidirectional dominance; b3, residual dominance.
§
NS, not significant.