Table 1.

Genetic parameters for total phenolic content of wheat Chinese Spring × SQ1 wheat cross (CSDH) lines.

Year-by-Drought Interaction	Estimation Based on the Phenotype		Estimation Based on the Genotypic Observations
	aCSDH [mg/g]	aaCSDH [mg/g]	QTL Number	a [mg/g]	aa [mg/g]	R2 [%]
2008 C	5.737	1.143	32	10.005	0.919	66.17
2008 MD	3.531	0.817	29	4.914	1.017	61.45
2010 C	3.399	0.168	29	6.570	0.223	88.20
2010 SD	2.829	0.196	31	5.008	0.781	78.45
2011 C	3.857	−0.147	34	6.689	−0.099	71.56
2011 SD	3.812	0.158	34	4.453	0.073	83.55
2012 C	2.739	0.092	32	5.304	0.081	79.90
2012 SD	3.630	0.328	33	5.909	0.431	73.16

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.