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

Table 4

Direct (boldface) and indirect effects of different traits on grain yield.

Traits	TS	PH	EH	PC	NRE	NKR	HGWt
TS	–0.023	–0.013	0.074	0.330	0.262	0.113	0.161	0.585
PH	0.099	–0.213	0.930	0.530	0.396	0.506	0594	0.873
EH	0.070	–0.372	0.700	0.570	0.099	–0.217	0.095	0.698
PC	0.212	–0.367	0.618	–0.041	0.110	–0.230	0.095	–0.242
NRE	–0.208	0.308	–0.526	0.183	0.205	0.222	–0.099	–0.744
NKR	–0.159	0.306	–0.580	0.192	–0.111	0.176	–0.078	0.233
HGWt	0.055	–0.104	0.453	–0.117	0.120	–0.057	0.338	0.506

Residual: 0.204; 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.