Performance Evaluation of Ethiopian Bread Wheat (Triticum aestivum L.) Genotypes in Southern Ethiopia

Table 11

Estimates of variance components at Kechi experimental site.

Traits	Mean		δ^2p	δ^2e	GCV (%)	PCV (%)	(%)	GA	GAM (%)
DH	78.20	10.73	20.35	9.62	4.19	5.77	0.53	4.90	6.27
DM	127.49	12.60	24.21	11.61	2.78	3.86	0.52	5.28	4.14
PH	96.59	20.33	33.59	13.26	4.67	6.00	0.61	7.23	7.48
TNT	5.09	0.33	0.49	0.16	11.29	13.75	0.67	0.97	19.08
ENT	4.81	0.20	0.38	0.18	9.30	12.82	0.53	0.67	13.90
SL	8.95	0.35	0.62	0.27	6.61	8.80	0.56	0.92	10.23
SPS	51.55	9.61	32.65	23.04	6.01	11.08	0.29	3.46	6.72
SR	2.60	1.47	2.51	1.04	46.63	60.93	0.59	1.91	73.51
YR	1.38	0.50	0.80	0.30	51.24	64.81	0.63	1.15	83.45
ABM	8.32	2.31	4.42	2.11	18.27	25.27	0.52	2.26	27.20
GY	3.24	0.22	0.42	0.20	14.48	20.00	0.52	0.70	21.58
TSW	40.22	20.30	42.87	22.57	11.20	16.28	0.47	6.39	15.88
HI	39.70	8.83	32.09	23.26	7.48	14.27	0.28	3.21	8.09

 = genotypic variance, δ²p = phenotypic variance, δ²e = environmental variance, GVC = genotypic coefficient of variation, PCV = phenotypic coefficient of variation, DH = days to heading, DM = days to maturity, PH = plant height (cm), SL = spike length (cm), SPS = number of seeds spike⁻¹, TNT = number of tillers plant⁻¹, ENT = number of effective tillers plant⁻¹, SR = stem rust (scale), YR = yellow rust (scale), GY = grain yield (t/ha), ABM = biomass yield (t/ha), HI = harvest index, TSW = thousand seed weight (g).