Genetic variability in Ethiopian faba bean (Vicia faba L.) accessions

Figures & data

Table 1. List of the 81 faba bean accessions used in the study

Number	Accession	Collection region	District	Number	Accession	Collection region	District
1	212565	Amhara	SiyadebrinaWayu	42	235709	SNNP	Dirashe Special
2	27279	Amhara	Machakel	43	219089	Oromia	Amigna
3	25299	SNNP	Angacha	44	25338	SNNP	MeskanenaMareko
4	245140	SNNP	DilaZuria	45	215748	Amhara	DessieZuria
5	212566	Oromia	WuchalenaJido	46	213211	Oromia	TiroAfeta
6	25006	Amhara	HuletEjEnese	47	25336	SNNP	MeskanenaMareko
7	212568	Amhara	SiyadebrinaWayu	48	226125	Amhara	Legambo
8	25018	Oromia	WuchalenaJido	49	240497	SNNP	Decha
9	27052	Oromia	Kofele	50	25346	SNNP	MeskanenaMareko
10	25274	Oromia	Becho	51	25328	SNNP	Selti
11	229303	Amhara	Lay BetnaTach Bet	52	213214	Oromia	LimuSeka
12	212567	Amhara	SiyadebrinaWayu	53	25335	SNNP	MeskanenaMareko
13	25298	SNNP	Angacha	54	25340	SNNP	MeskanenaMareko
14	219355	Oromia	AdolanaWadera	55	25339	SNNP	MeskanenaMareko
15	208085	Amhara	WeremoWajetunaMida	56	215129	Amhara	Mama MidrinaLalo
16	212811	Amhara	Wegera	57	215128	Amhara	Mama MidrinaLalo
17	203105	Oromia	Dedesa	58	228607	Amhara	GonchaSisoEnese
18	235955	Amhara	Debark	59	25337	SNNP	MeskanenaMareko
19	25279	SNNP	Cheha	60	25341	SNNP	MeskanenaMareko
20	208114	Amhara	WeremoWajetunaMida	61	25331	SNNP	Selti
21	229310	Amhara	WeremoWajetunaMida	62	235433	Tigray	Kola Temben
22	212572	Amhara	WeremoWajetunaMida	63	Tumsa	ND	ND
23	25003	Oromia	Kuyu	64	25325	SNNP	Selti
24	25323	SNNP	Selti	65	25329	SNNP	Selti
25	25022	Oromia	Kuyu	66	25309	SNNP	Angacha
26	25280	SNNP	Cheha	67	25304	SNNP	Angacha
27	235956	Amhara	Debark	68	25330	SNNP	Selti
28	220079	Tigray	Adwa	69	25307	SNNP	Angacha
29	212576	Amhara	Lay BetnaTach Bet	70	25334	SNNP	Selti
30	212575	Amhara	Lay BetnaTach Bet	71	25306	SNNP	Angacha
31	25277	SNNP	Cheha	72	25311	SNNP	Angacha
32	220076	Tigray	Adwa	73	25332	SNNP	Sodo
33	27290	Oromia	Jimma Arjo	74	25310	SNNP	Angacha
34	25264	Oromia	Becho	75	25333	SNNP	Selti
35	25292	SNNP	Limo	76	25302	SNNP	Angacha
36	25270	Oromia	Becho	77	25327	SNNP	Selti
37	212580	Amhara	Mama Midrina Lalo	78	Dosha	ND	ND
38	25017	Amhara	Enarj Enawga	79	25303	SNNP	Angacha
39	212578	Amhara	Geramidirna Keya	80	25301	SNNP	Angacha
40	25010	Oromia	GerarJarso	81	Local	Amhara	Mecha
41	25290	SNNP	Limo

ND : no data.

Table 2. Analysis of variance for 14 traits of 81 faba bean accessions

Traits		Mean square			CV (%)	R^2
	Rep (DF = 1)	Accessions (DF = 80)	Rep × Block (16)	Error (DF = 64)
DF	0.10^ns	18.57**	3.02^ns	2.21	3.30	0.92
DM	43.56^ns	25.29^ns	28.53^ns	18.28	3.64	0.68
PH	365.70^ns	230.18**	212.36**	109.68	10.75	0.77
PL	2.57**	0.53**	0.24^ns	0.19	11.74	0.80
NPP	1.03^ns	45.44**	7.25^ns	6.74	22.36	0.89
NSP	1.81**	0.17^ns	0.09^ns	0.12	12.32	0.68
NBP	0.00^ns	0.61**	0.26*	0.17	24.16	0.81
BY	24966.00^ns	9567533.60**	817978.00^ns	691793.00	10.23	0.95
GY	31441.00^ns	810072.84**	10553.00^ns	14290.00	5.72	0.99
HSW	6.97^ns	173.27**	47.64*	28.96	12.93	0.89
HI	3.21^ns	106.81**	16.36^ns	12.71	14.44	0.90
AB	12.20^ns	532.02**	0.04^ns	6.19	7.07	0.99
CS	3.05^ns	547.10**	0.33^ns	24.49	15.07	0.96
RT	76.22*	590.28**	0.12^ns	14.48	14.30	0.98

**Highly significant (p <0.01), * significant (p <0.05); ns : non-significant; CV : coefficient of variation; DF : days to flowering; DM : days to maturity; PH : plant height (cm); PL : pod length; NPP : number of pods per plant; NSP : number of seeds per pod; NBP : number of branches per plant; BY : biomass yield; GY : grain yield; HSW : 100-seed weight; HI : harvest index; AB : ascochyta blight; CS : chocolate spot; RT : rust disease.

Table 3. Minimum, mean and maximum values of 14 traits of 81 faba bean accessions

Traits	Mean	Std. Dev.	Minimum	Acc.	Maximum	Acc.
Days to flowering	45.56	3.54	42	Local	59	25018
Days to maturity	118.20	5.12	109	240497	131	Dosha
Plant height	97.75	14.64	53.6	212568	132	Local
Pod length	3.75	0.65	2.3	25006	6.5	Dosha
Number of pods per plant	11.70	5.31	3.5	212575	39.2	235433
Number of seed per pod	2.77	0.41	1	25018	3.8	25274
Number of branches per plant	1.70	0.62	0.6	25006	3.8	235709
Biomass yield	8310.00	2426.00	2471	212576	15,278	Dosha
Grain yield	2050.00	675.77	1148	208085	5167	235433
Hundred-seed weight	41.86	11.06	24	215748	101.2	Dosha
Harvest index	25.71	7.91	12.27	25006	55.13	27290
Ascochyta blight	35.53	16.84	11.11	235433	77.78	215748
Chocolate spot	33.74	17.60	11.11	240497	77.78	215748
Rust disease	26.34	18.11	11.11	25274	77.78	212576

Acc.: accession.

Table 4. Extent of variability in qualitative traits among faba bean accessions

Traits	Scale	Number of accessions	Percentage of accessions (%)
Seed size	1	37	45.68
	2	39	48.15
	3	5	6.17
Seed shape	1	25	30.86
	2	35	43.21
	3	21	25.93
Seed coat colour	1	10	12.35
	2	39	48.15
	3	32	39.51

Table 5. Estimates of variances, coefficient of variation, heritability and genetic advance of traits

Traits	${\mathit{\sigma }}^2\mathit{g}$	${\mathit{\sigma }}^2\mathit{p}$	GCV (%)	PCV (%)	H^2 (%)	GA	GAM (%)
DF	8.18	10.39	6.28	7.08	78.71	5.23	11.47
PH	60.25	169.93	7.94	13.34	35.46	9.52	9.74
PL	0.17	0.36	11.02	16.00	47.48	0.59	15.65
NPP	19.35	26.09	37.60	43.66	74.16	7.80	66.70
NBP	0.22	0.39	27.52	36.81	55.89	0.72	42.38
BY	4437870.30	5,129,663.30	25.35	27.25	86.51	4036.43	48.57
GY	397891.42	412,181.42	30.77	31.32	96.53	1276.70	62.28
HSW	72.15	101.12	20.29	24.02	71.36	14.78	35.32
HI	47.05	59.76	26.67	30.06	78.72	12.54	48.76
AB	262.91	269.11	45.64	46.17	97.70	33.08	93.11
CS	261.31	285.79	47.90	50.10	91.43	32.98	97.73
RT	287.90	302.38	64.43	66.03	95.21	34.61	131.43

DF : days to flowering; PH : plant height; PL : pod length; NPP : number of pods per plant; NBP : number of branches per plant; BY : biomass yield; GY : grain yield; HSW : 100-seed weight; HI : harvest index; AB : ascochyta blight; CS : chocolate spot; RT : rust disease; GV : genotypic variance; PV : phenotypic variance; GCV : genotypic coefficient of variance; PCV : phenotypic coefficient of variance, H² : broad sense heritability; GA : genetic advance; GAM: genetic advance as percent of mean.