Correlation and Path Coefficient Analysis of Yield and Yield Components of Quality Protein Maize (Zea mays L.) Hybrids at Jimma, Western Ethiopia

Table 3

Genotypic and phenotypic correlation coefficients among the traits.

Traits		TS	PH	EH	PC	NRE	NKR	HGWt	Yield
TS		—	–0.490	–0.176	–0.120	–0.204	–0.347	0.334	0.585
PH		–0.274	—	0.579	0.412	–0.218	0.374	0.205	0.873
EH		–0.331	0.786	—	–0.094	0.286	–0.079	–0.140	0.698
PC		–0.130	–0.164	–0.031	—	0.683	0.321	0.789	0.242
NRE		–0.140	0.146	–0.074	–0.483	—	–0.698	–0.613	–0.744
NKR		–0.151	0.546	0.481	–0.088	0.405	—	0.719	–0.233
HGWt		–0.363	0.162	0.210	0.166	–0.085	0.280	—	0.506
Yield		–0.244	0.697	0.448	–0.040	0.323	0.626	0.626	—

Statistically significant correlation at ; statistically significant correlation at ; TS: days to 50% tasseling; PH: plant height; EH: ear height; PC: plant count; NRE: number of kernel-rows per ear; NKR: number of kernels per row; HGWt: hundred-grain weight.