Scientific Reports

Table 5 Correlation coefficients estimated between heading date and another related trait in the both seasons of 2014.

From: Analysis of Epistasis among QTLs on Heading Date based on Single Segment Substitution Lines in Rice

Type of correlation	Season	Trait pair
Type of correlation	Season	hd-ph	hd-pn	hd-pl	hd-pd	hd-pgn	hd-fgn	hd-sp	hd-tkw	hd-gy
Phenotype	The early	−0.089	0.019	0.667^**	0.078	0.373^**	0.036	−0.512^**	0.244	0.072
Phenotype	The late	0.281^**	−0.045	0.125	0.306^**	0.381^**	0.074	−0.483^**	−0.087	0.021
Genotype	The early	−0.096	0.023	0.733^**	0.119	0.471^*	0.056	−0.649^**	0.264	0.100
Genotype	The late	0.375^**	−0.071	0.146	0.362^**	0.487^**	0.114	−0.550^**	−0.102	0.038
Additive	The early	0.932	0.906	0.997^**	0.079	0.577	0.612	−0.860	−0.235	0.366
Additive	The late	0.395	−0.530	0.110	0.542	0.678^*	−0.273	−0.856^**	−0.090	−0.282
Dominance	The early	−0.591	−0.002	0.814	0.044	0.435	0.037	−0.564	0.945	0.102
Dominance	The late	0.055	−0.519	0.294	−0.226	−0.143	−0.634	0.161	0.226	−0.684^*
Epistasis	The early	0.377	0.142	0.034	0.113	0.088	0.067	−0.401	−0.445	−0.012
Epistasis	The late	−0.460^**	−0.396^**	−0.266	0.249	0.220	−0.225	0.049	−0.186	−0.331^*

hd, ph, pn, pl, pd, pgn, fgn, sp, tkw and gy represented heading date (days), plant height (cm), panicle number, panicle length (cm), panicle density (grain/cm), per panicle grain number, filled grain number, setting percentage (%), thousand kernel weight (g) and grain yield per plant (g), respectively. Sign “-” indicated inverse correlation between trait pairs. Superscripts “^* and ^**” indicated the significances at 5% and 1% level, respectively.

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