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

Table 4

Mean square from analysis of variance of the grain yield and other relevant parameters in 25 inbred lines of maize.

S/N	Trait	Mean squares			LSD 0.05	CV
		Replications df = 2	Genotypes df = 24	Error df = 74
1	DT	32.173	69.054	3.397	3.24	1.78
2	DS	38.653	100.959	3.005	3.06	1.64
3	PH	1628.013	809.597	56.813	13.20	5.19
4	EH	1081.693	521.860	49.471	12.38	10.45
5	NLPP	0.272	4.048	0.257	0.83	3.52
6	LL	146.574	134.865	7.795	4.97	4.12
7	LW	4.330	1.709	0.248	0.88	5.18
8	NTB	18.150	37.023	1.872	2.38	9.25
9	EL	11.658	10.924	1.184	1.96	9.39
10	ED	0.894	0.339	0.155	0.65	10.29
11	NKRPE	2.850	2.357	0.478	1.14	5.66
12	NKPR	65.924	51.344	7.683	4.85	12.09
13	NEPP	0.726	0.124	0.061	0.43	20.59
14	TKW	1395.160	4806.707	596.586	40.10	10.67
15	GYPP	1290.933	836.471	249.423	27.97	20.92
16	GYPH	7581467.05	1315159.660	202674.4	811.68	21.06
17	AGBYPP	64332.907	38985.843	16195.18	227.57	19.34
18	HI	99.581	59.893	11.991	5.68	13.88

and = significant and highly significant at 5% and 1%, respectively. 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.