Identification of QTLs controlling grain protein concentration using a high-density SNP and SSR linkage map in barley (Hordeum vulgare L.)

Table 4 Variation between two homozygous genotypic groups of three NIL populations for grain protein concentration (GPC)

Population	GPC (mean ± SE ^c) (%)		P-value	TKW (mean ± SE) (g)		P-value	GY (mean ± SE) (g)		P-value
Population	ZZ ^a	SS ^b	P-value	ZZ	SS	P-value	ZZ	SS	P-value
BC₃F₂-I	13.82 ± 0.09	13.15 ± 0.05	2.40E-10	50.40 ± 0.19	50.55 ± 0.18	0.72	7.06 ± 0.12	6.74 ± 0.11	0.06
BC₃F₂-II	14.20 ± 0.11	13.47 ± 0.06	2.85E-08	50.44 ± 0.33	51.02 ± 0.25	0.22	6.79 ± 0.13	6.71 ± 0.10	0.58
BC₃F₂-III	14.18 ± 0.17	13.19 ± 0.12	5.33E-06	44.19 ± 0.40	45.82 ± 0.67	0.08	6.73 ± 0.23	6.40 ± 0.22	0.28

^aZZ represents ZGMLEL homozygote; ^b SS represents Schooner homozygote; ^c SE represents standard error

ISSN: 1471-2229