Table 2.
Genetic parameters for grain yield of the main stem (Yield) of wheat CSDH lines.
| Year-by-Drought Interaction | Estimation Based on the Phenotype | Estimation Based on the Genotypic Observations | ||||
|---|---|---|---|---|---|---|
| aCSDH [g] | aaCSDH [g] | QTL Number | a [g] | aa [g] | R2 [%] | |
| 2008 C | 1.623 | −0.1 | 25 | 3.124 | −0.187 | 85.14 |
| 2008 MD | 0.787 | 0.064 | 22 | 1.547 | 0.921 | 70.19 |
| 2010 C | 1.237 | −0.007 | 27 | 2.087 | 0.046 | 86.21 |
| 2010 SD | 0.806 | −0.075 | 19 | 1.954 | −0.109 | 61.71 |
| 2011 C | 1.184 | 0.067 | 26 | 3.499 | 0.258 | 83.56 |
| 2011 SD | 0.944 | −0.111 | 22 | 1.124 | −0.192 | 75.95 |
| 2012 C | 1.377 | 0.072 | 26 | 3.088 | 0.106 | 79.84 |
| 2012 SD | 1.395 | 0.599 | 24 | 2.941 | 0.73 | 69.84 |
a—additive effect, aa—additive-by-additive (epistatic) interaction effect, R2—coefficient of determination (the proportion of the variance in the, dependent variable that is predictable from the independent variables). C—control, MD—moderate drought, SD—severe drought.