Genetic Variability for the Yield and Yield-Related Traits in Some Maize (Zea mays L.) Inbred Lines in the Central Highland of Ethiopia

Table 5

Estimate of phenotypic variance (), genotypic variance (), phenotypic coefficient of variation (PCV), and genotypic coefficient of variation (GCV) for the grain yield and other related traits among 25 inbred lines of maize.

S/N	Traits				PCV	GCV
1	DT	21.89	25.28	3.39	4.86	4.52
2	DS	32.65	35.66	3.01	5.63	5.39
3	PH	250.93	307.74	56.81	12.08	10.91
4	EH	157.46	206.93	49.47	21.38	18.65
5	NLPP	1.26	1.52	0.26	8.55	7.80
6	LL	42.36	50.15	7.79	10.44	9.60
7	LW	0.49	0.73	0.24	8.92	7.26
8	NTB	11.72	13.59	1.87	24.92	23.14
9	EL	3.25	4.43	1.18	18.17	15.55
10	ED	0.06	0.22	0.16	12.15	6.46
11	NKRPE	0.63	1.10	0.47	8.60	6.47
12	NKPR	14.55	22.24	7.69	20.57	16.64
13	NEPP	0.02	0.08	0.06	23.84	12.03
14	TKW	1403.37	1999.96	596.59	19.54	16.37
15	GYPP	195.68	445.11	249.43	27.95	18.53
16	GYPH	370828.42	573502.82	202674.40	35.43	28.49
17	AGBYPP	7596.89	23792.07	16195.18	23.44	13.25
18	HI	15.97	27.96	11.99	21.20	16.02

Note. DT = days to 50% tasseling, DS = days to 50% silking, PH = plant height (cm), EH = ear height (cm), NLPP = number of leaves per plant, LL = leaf length (cm), LW = leaf width, NTB = number of tassel branches, El = ear length (cm), ED = ear diameter (cm), NKRPE = number of kernel rows per ear, NKPR = number of kernel per row, NEPP = number of ear per plant, TKW = thousand kernel weight (g), GYPP = grain yield per plant (g), GYPH = grain yield per hectare (kg), AGBYPP = aboveground biomass yield per plant (g), HI = harvest index, and S/N = serial number.