Dissection and fine-mapping of two QTL for grain size linked in a 460-kb region on chromosome 1 of rice

Rice

Table 2 Validation of qTGW1.2c using two sets of near isogenic lines in BC₂F_11:12

Name	Trait^a	Phenotype (mean ± sd)^b		P	A ^c	R²(%)^d
Name	Trait^a	NIL^ZS97	NIL^MY46	P	A ^c	R²(%)^d
L1	TGW	28.67 ± 0.34	29.08 ± 0.32	< 0.0001	0.20	17.6
	GL	8.458 ± 0.040	8.423 ± 0.051	0.0015	−0.017	7.7
	GW	3.218 ± 0.021	3.272 ± 0.016	< 0.0001	0.027	49.3
	RLW	2.628 ± 0.017	2.575 ± 0.015	< 0.0001	−0.027	57.2
L2	TGW	28.86 ± 0.35	29.30 ± 0.35	0.0002	0.22	21.6
	GL	8.517 ± 0.044	8.502 ± 0.050	0.3107
	GW	3.262 ± 0.017	3.311 ± 0.020	< 0.0001	0.025	44.7
	RLW	2.611 ± 0.012	2.568 ± 0.016	< 0.0001	−0.022	58.6

^aTGW 1000-grain weight (g), GL grain length (mm), GW grain width (mm), RLW ratio of grain length to width
^bNIL^ZS97 and NIL^MY46 are near isogenic lines with Zhenshan 97 and Milyang 46 homozygous genotypes in the segregating region, respectively
^cAdditive effect of replacing a Zhenshan 97 allele with a Milyang 46 allele
^dProprotion of phenotypic variance explained by the QTL effect