Genotypic and Phenotypic Relationship among Yield Components in Rice under Tropical Conditions

Table 4

Relationship between first order and the second order.

	Variable	PH	FLR	DF	DM	TPH
Panicle per hill	PH	-0.024	-0.008	0.006	0.012	0.003
	FLR	0.049	0.150	0.032	0.018	0.092
	DF	-0.014	0.011	0.050	0.017	0.035
	DM	-0.301	0.068	0.193	0.580	0.282
	NT	-0.045	0.240	0.277	0.192	0.395
	PPH	-0.334	0.462	0.559	0.818	0.806
Panicle length	PH	-0.203	-0.066	0.055	0.105	0.023
	FLR	0.063	0.192	0.041	0.022	0.117
	DF	-0.084	0.066	0.309	0.103	0.217
	DM	0.035	-0.008	-0.023	-0.068	-0.033
	NT	-0.005	0.028	0.032	0.022	0.046
	PL	-0.194	0.211	0.414	0.184	0.369
Filled grains per panicle	PH	-0.246	-0.081	0.067	0.128	0.029
	FLR	-0.209	0.870	-0.137	-0.075	-0.089
	DF	0.059	-0.046	-0.216	-0.072	-0.029
	DM	0.194	-0.044	-0.124	-0.373	-0.104
	NT	-0.163	-0.639	1.003	0.694	0.928
	TNG	-0.366	0.060	0.593	0.303	0.735
Unfilled grains per panicle	PH	-0.037	-0.012	0.010	0.019	0.004
	FLR	0.106	0.324	0.069	0.038	0.197
	DF	0.009	-0.007	-0.033	-0.011	-0.023
	DM	0.162	-0.036	-0.104	-0.311	-0.151
	NT	0.046	-0.243	-0.280	-0.194	-0.399
	NUFGP	0.285	0.026	-0.337	-0.459	-0.372
100-grain weight	PH	-0.282	-0.092	0.077	0.146	0.032
	FLR	0.006	0.019	0.004	0.002	0.011
	DF	-0.031	0.024	0.113	0.038	0.080
	DM	0.043	-0.010	-0.028	-0.083	-0.040
	NT	-0.058	0.311	0.358	0.248	0.511
	GW	-0.322	0.252	0.525	0.351	0.593
Grain weight per hill	PH	-0.121	-0.039	0.033	0.063	0.014
	FLR	0.076	0.231	0.049	0.027	0.141
	DF	-0.090	0.070	0.329	0.110	0.231
	DM	-0.130	0.029	0.083	0.250	0.122
	NT	-0.005	0.029	0.034	0.023	0.048
	TGW	-0.270	0.320	0.528	0.473	0.555

PH: plant height, FLWR: flag leaf length to width ratio, DF: days to flowering, DM: days to maturity, and TH: tillers per hill.