Table 3.

Details of loci associated with grain size traits identified via a genome-wide association study in a collection of 157 hexaploid wheat lines.

Loci	Chr	Grain traits	P value	MAF	R2	Allelic effect	Alleles
chr1D:166874041	1D	Length	3.07E−06	0.30	0.11	0.76	T/C
		Width	2.94E−05	0.30	0.06	0.33
chr2D:403935865	2D	Length	1.25E−06	0.29	0.12	0.79	T/C
		Width	1.12E−05	0.29	0.07	0.34
chr2D:442798939	2D	Length	3.07E−06	0.29	0.11	− 0.77	A/G
chr2D:444560418	2D	Length	2.02E−06	0.28	0.11	− 0.80	A/G
		Width	3.12E−05	0.28	0.06	− 0.34
chr2D:452644656	2D	Length	2.02E−06	0.28	0.11	− 0.80	A/G
		Width	3.12E−05	0.28	0.06	− 0.34
chr2D:452812899	2D	Length	6.15E−07	0.31	0.13	− 0.81	A/G
		Width	5.89E−06	0.31	0.07	− 0.35
chr4A:713365388	4A	Width	3.74E−05	0.14	0.06	0.36	A/G

Chr Chromosome, MAF Minor allele frequency, R² R square of model with SNP, calculated by R² of model with SNP minus R² of model without SNP⁴⁸.