QTL Analysis of Z414, a Chromosome Segment Substitution Line with Short, Wide Grains, and Substitution Mapping of qGL11 in Rice

Rice

Table 1 QTL for agronomic and quality traits identified in substitution segments of Z414

Trait	QTL	Chr.	Near marker	A	D	PVE (%)	LOD
Panicle length (cm)	qPL3	3	RM3766	− 1.17	+ 0.59	20.30	6.41
Grain width (mm)	qGW5	5	RM5874	+ 0.16	+ 0.004	42.50	15.62
Grain length (mm)	qGL11	11	RM1812	− 0.09	+ 0.012	9.61	3.07
Ratio of length to width	qRLW5	5	RM5874	− 0.15	+ 0.008	40.90	14.84
Ratio of length to width	qRLW11	11	RM1812	− 0.06	+ 0.06	10.70	3.21
1000-grain weight (g)	qGWT5	5	RM5874	+ 1.25	+ 0.15	20.20	6.38
Brown rice rate (%)	qBRR11	11	RM1812	+ 1.44	+ 0.84	7.00	2.76

+ indicates that allele from Huhan3 substitution segment of Z414 increases the trait value, and − indicates that Xihui18 allele in substitution interval increases the trait value. PVE indicates phenotypic variance explained