Forage yield, nutrient composition and in-vitro digestibility of ten early maturing cowpea (Vigna unguiculate) genotypes under diverse locations of Western Ethiopia

Figures & data

Figure 1a. Mean monthly rainfall and minimum and maximum temperatures at Bako.

Figure 1b. Mean monthly rainfall and minimum and maximum temperatures at Gute.

Figure 1c. Mean monthly rainfall and minimum and maximum temperatures at Boneya Boshe.

Table 1. Dry matter (DM), grain and crude protein (CP) yield of the early maturing cowpea genotypes tested across three locations (Bako, Gute and Boneya Boshe) in Ethiopia

Genotypes	DM yield (t/ha)			Mean	CP yield (t/ha)			Mean	Grain yield (kg/ha)			Mean
	BK	BB	GT		BK	BB	GT		BK	BB	GT
ILRI-11114	2.5^c1	3.7^ab	6.9^a	4.3^a	62.4^cd	93.1^ab	157.4^a	104.3a	1635^a	1360.7^a	1582.2^a	1525.9^a
ILRI-11990	2.9^bc	3.8^ab	4.1^b-d	3.6^a-c	81.3^ab	94.9^ab	101.4^bc	92.6^ab	1574.2^ab	1449.8^a	1324.6^ab	1449.5^ab
ILRI-12669	2.8^c	3.1^b-d	4.6^b-d	3.5^a-c	60.3^cd	71.7cd	70.3^de	67.4^c	1411.7^a-c	1350.5^a	1445.9^a	1402.7^ab
ILRI-12722	3.5^ab	3^cd	3.5^c-e	3.3^bc	84.8^a	73.9^cd	65.6^e	74.8^bc	1226.3^c	945.1^bc	1233.1^ab	1134.8^cde
ILRI-12732	2.5^c	3.2^bc	3.2^e	2.9^bc	59.2^cd	71.4^cd	70.0^de	66.9^c	1175.8^c	815.7^c	1008.8^b	1000.1^e
ILRI-25316	2.4^c	2.2^e	3.5^c-e	2.7^c	63.5^cd	54.5^e	70.9^cde	63.0^c	1275.4^bc	964.8^bc	1363.8^ab	1201.4^cd
ILRI-25366	2.8^c	3.7^a-c	5.1^b	3.8^ab	61.3^cd	86.6^abc	97.8^bcd	81.9^bc	1134.2^c	1342.1^a	1363.1^ab	1279.8^bc
ILRI-82D-504-4	3.7^a	2.5^de	4.8^bc	3.7^ab	94.5^a	65.5^de	115.1^b	91.7^ab	1690^a	1507^a	1499.7^a	1565.6^a
ILRI-95K1543	2.6^c	4.1^a	3.7^c-e	3.4^a-c	66.8^bc	100.6^a	58.4^e	75.3^bc	1425.8^a-c	1095.3^b	1341.4^ab	1287.5^bc
Adulala (Check)	2.4^c	3.9^a	3.3^e	3.2^bc	51.4^d	81.5^bc	64.7^e	65.8^c	1228.3^c	929^bc	986.1^b	1047.8^de
Mean	2.8	3.3	4.3	3.5	68.6	79.4	87.2	78.4	1377.7	1176	1314.9	1289.5
LSD0.05	0.62	0.64	1.39	0.92	15.38	15.52	30.78	20.89	336.4	237.9	378.9	180.9
P-level	**	***	***	***	***	***	***	***	*	***	*	***

¹Means within columns followed by different letters differ significantly (P < 0.05). * = P < 0.05; **=P < 0.01; *** = P < 0.001; LSD = least significant difference; BK = bako; BB = Boneya Boshe; GT = gute.

Table 2. Dry matter, grain and crude protein yield of the early maturing cowpea genotypes tested across 2 years (2019 and 2020) in Ethiopia

Genotypes	Dry matter yield (t/ha)		Crude protein yield (t/ha)		Grain yield (kg/ha)
	2019	2020	2019	2020	2019	2020
ILRI-11114	4.3^a1	4.4^a	103.6^a	105.0^a	1424.7^ab	1627.2^a
ILRI-11990	2.8^cd	4.3^a	73.7^bc	111.4^a	1248.5^abc	1650.6^a
ILRI-12669	3.3^bc	3.7^ab	60.0^c	74.8^bc	1224.8^bc	1580.6^a
ILRI-12722	2.8^cd	3.8^ab	62.4^c	87.1^b	1110.2^c	1159.4^cd
ILRI-12732	2.3^d	3.6^b	52.9^c	80.8^b	954.4^c	1045.8^d
ILRI-25316	2.7^cd	2.8^c	61.4^c	64.6^c	1095.2^c	1307.5^bc
ILRI-25366	4.2^a	3.52^b	89.1^ab	74.7^bc	1182^bc	1377.5^b
ILRI-82D-504-4	3.7^ab	3.5^b	95.8^a	87.6^b	1542.5^a	1588.6^a
ILRI-95K1543	2.9^bcd	3.9^ab	65.7^c	84.9^b	1190.6^bc	1384.4^b
Adulala (Check)	2.8^cd	3.6^b	57.3^c	74.4^bc	1105.1^c	990.6^d
Mean	3.2	3.7	72.2	84.5	1207.8	1371.2
LSD0.05	0.94	0.67	21.12	15.39	312.4	184.8
P-level	**	**	***	***	**	***

¹Means within columns followed by different letters differ significantly (P < 0.05); * = P < 0.05; ** = P < 0.01; *** = P < 0.001; LSD = least significant difference.

Table 3. Nutrient compositions of the early maturing cowpea genotypes tested across 3 locations in Ethiopia. Locations are considered as a replicate for the respective cowpea genotypes

Genotypes	DM%	Parameters (%DM)								ME (MJ/kg DM)
		Ash	CP	NDF	ADF	ADL	H-cell.	Cellulose	IVOMD
ILRI-11114	90.7^bc	5.9^de	24.4^abc	52.4	28.4	4.6	23.9	23.8	61.7^ab	9.26^ab
ILRI-11990	90.8^ab	5.5^e	26.0^a	50.4	28.9	4.4	21.5	24.4	62.4^a	9.37^a
ILRI-12669	90.9^a	5.9^de	19.9^e	51.9	31.6	5.2	20.3	26.4	60.2^cd	9.03^cd
ILRI-12722	90.6^cd	7.3^ab	22.5^bcde	51.9	30.3	5.2	21.6	25.1	60.3^bcd	9.04^bcd
ILRI-12732	90.6^cd	7.8^a	22.7^bcde	50.7	29.7	5.3	21.0	24.4	60.6^bcd	9.09^bcd
ILRI-25316	90.6^cd	7.8^a	23.6^abcd	49.2	28.6	5.2	20.6	23.3	61.1^abcd	9.16^abcd
ILRI-25366	90.7^abc	6.6^bcd	21.6^cde	50.9	29.3	5.4	21.6	23.9	60.6^bcd	9.09^bcd
ILRI-82D-504-4	90.5^d	6.3^cde	25.1^ab	47.8	28.5	5.1	19.4	23.4	61.6^abc	9.24^abc
ILRI-95K1543	90.7^bcd	6.9^abc	22.1^cde	49.9	29.4	5.2	20.6	24.2	60.1^d	9.01^d
Adulala (Check)	90.7^abc	7.4^ab	20.7^de	51.6	30.8	5.6	20.8	25.2	59.8^d	8.97^d
Mean	90.7	6.7	22.9	50.7	29.5	5.1	21.1	24.4	60.8	9.13
SEM	0.07	0.31	0.99	1.34	1.09	0.27	1.31	0.94	0.49	0.07
P-level	**	**	**	Ns	ns	Ns	ns	ns	*	*

¹Means within columns followed by different letters differ significantly (P<0.05); ns = non-significant; *= P<0.05; **= P<0.01; LSD = least significant difference; DM = dry matter; CP = crude protein; NDF = neutral detergent fiber; ADF = acid detergent fiber; ADL = acid detergent lignin; H-cell. = hemi-cellulose; IVOMD = in-vitro organic matter digestibility; ME = metabolizable energy.

Data availability statement

The data supporting the finding of this study area available up on request