Table 2. Pearson correlations between the observed values of grain width in the JAM lines and the sum of the additive effects of QTL (SAQ) obtained from the five models tested.

Number of QTL	Haplotype-based model	Naïve model	Q model	K model	QK model
5	0.56	0.49	0.50	0.55	0.47
10	0.66	0.58	0.60	0.63	0.50
20	0.72	0.68	0.65	0.72	0.67
30	0.76	0.70	0.70	0.76	0.73

All of the correlation values in the five models are significant (P < 0.001).