Evaluation of Cassava (Manihot esculenta Crantz) genotypes and their feeding values on the rearing performance of Eri-silk worm in southwestern Ethiopia

Figures & data

Table 1. Cassava accessions used as treatment for experiment.

Notation	Accessions
T1	869
T2	umbure
T3	Kulle
T4	M94/0117
T5	1554
T6	Kello
T7	M94/0125
T8	1630(1)
T9	196/624
T10	High HCN

Table 2. Agronomic performance of cassava accessions at JARC.

Genotypes	50% emerging date	Stand count	Plant height cm	Primary branches	Leaf FBY t/ha	Leaf DMYt/ha
869	159^cb	16.6^ab	130.0^bc	150.8^ab	4.6^a	2.2^ab
Umbure	153^c	16.3^ab	163.8^a	153.8^ab	3.4^b	1.9^b
Kulle	153^c	19.3^a	122.4^bc	162.4^ab	5.7^a	2.1^b
M94/0117	162^abc	18.0^ab	122.2^bc	134.4^ab	5.0^a	2.7^a
1554	185^a	14.0^b	124.0^bc	165.6^ab	2.4^bc	0.6^c
Kello	153^c	15.6^ab	126^bc	98.3^b	1.3 ^cd	0.6 ^cd
M94/0125	156^c	18.6^ab	143.1^ab	129.7^ab	1.7 ^cd	0.4^d
1630(1)	164^abc	16.6^ab	119.0^c	179.6^a	1.0 ^cd	1.2^c
196/624	165^abc	16.0^ab	137.7^bc	132.7^ab	1.2^dc	0.8 ^cd
High HCN	180^ab	15.3^ab	114^c	124.5^ab	0.6^d	0.2^d
Mean	163	16.6	130	143.2	2.5	1.0
P value	0.05	0.4	0.01	0.4	0.001	0.001
CV	8	16	10.7	28	27	31
LSD (0.05)	23	4.8	24.1	71.0	1.19	0.6
R	0.5	0.4	0.6	0.4	0.9	0.9

FBY = fresh biomass yield, DMY = dry matter yield, CV = coefficient of variation, LSD = least significant difference, R = R-Square.

Table 3. Cassava genotypes’ effects on Eri-silkworm rearing performance.

Genotypes	Ingesta g	Digesta g	AD%	ECI to larva %	ECD to larva %	Mean larva wt g	Effective rate of rearing	Hatching %
869	14.4^ab	7.4^a	55.6^a	23.4^ab	55.4	2.6	91.7^a	95.2
umbure	15.4^a	6.0^ab	42.1^b	25.3^a	48.2	2.7	88.6^ab	95.6
Kulle	13.5^abc	7.0^a	41.0^b	20.4^bc	51.5	2.7	85.2^abc	95.3
M94/0117	12.4^bcd	4.7^bc	41.6^b	17.9^c	53.9	2.7	76.8 ^cd	96.8
1554	11.2 ^cd	4.9^bc	40.2^b	18.5^c	40.7	2.7	72.6bcd	98.5
Kello	11.8^bcd	3.9^c	36.7^bc	17.4^c	45.2	2.6	68.6^d	97.2
M94/0125	10.8^d	3.4^c	31.4^c	18.2^c	42.9	2.6	68.8^d	98.3
1630(1)	10.8^d	3.8^c	39.5^b	17.4^c	39.2	2.6	79.3 ^cd	96.3
196/624	10.9 ^cd	4.1^c	37.0^bc	15.5^c	42.4	2.7	71.3 ^cd	97.2
High HCN	11.1 ^cd	3.7^c	40.0^b	18.4^c	45.8	2.6	85.6^abc	97.6
Mean	12.26	4.9	40.5	19.2	46.5	2.6	78.8	96.8
P value	0.01	0.003	0.005	0.01	0.6	0.9	0.04	0.4
CV	12.6	19	10.6	14.7	24	4.5	11.8	2.1
LSD	2.6	1.6	7.3	4.8	19.3	0.2	16.1	3.4
R	0.6	0.8	0.8	0.6	0.4	0.3	0.6	0.4

ECI = efficient conversion of ingesta, ECD = efficient conversion of digesta.

Table 4. Single sample weight of economically important traits fed on cassava genotypes.

Genotypes	Silk ratio	Dry pupal wt g	Cocoon wt g	Dry shell wt
869	15.8^a	0.7	2.1	0.1^b
umbure	13.3^ab	0.7	2.0	0.3^a
Kulle	11.0^bc	0.6	2.0	0.2^b
M94/0117	7.9 ^cd	0.6	2.4	0.1^ab
1554	6.5 ^cd	0.6	1.9	0.1^b
Kello	6.6^d	0.6	2.2	0.1^b
M94/0125	6.9^d	0.7	2.1	0.1^b
1630(1)	6.7^d	0.8	2.2	0.1^b
196/624	8.1 ^cd	0.5	2.2	0.1^b
High HCN	5.9^d	0.6	2.2	0.1^b
Mean	9.1	0.7	2.2	0.1
P value	0.001	0.9	0.4	0.05
CV	20	22	12	22
Lsd	3.1	0.3	0.4	0.04
R %	0.8	0.3	0.4	0.6

Table 5. Nutritional content of cassava genotypes.

Genotypes	MC%	DM	CP	Ash	NDF	ADF	IVDMD	DOMD	MEMJ/Kg
869	73.2^abc	94.2^a	26.9 ^cd	11.5^a	40.8	18.1	55.0^a	48.8a	7.0
umbure	72.7^abc	91.2^ab	25.5 ^cd	9.9^abc	38.2	17.2	51.2^ab	43.7ab	6.9
Kulle	75.^4ab	84.2^bc	28.6^a	10.9^ab	41.8	17.7	50.8^b	44.1ab	7.0
M94/0117	76.5^a	92.3^ab	27.1^abc	9.2^cb	39.8	16.0	53.3^ab	43.8ab	7.0
1554	76.3^a	85.1^bc	26.7^bcd	6.4^e	38.2	17.1	42.8^c	37.7bcd	6.5
Kello	70.2 ^cd	77.8^c	26.6^bcd	8.2 ^cd	39.1	15.8	50.1^b	43.2abc	6.9
M94/0125	71.4^bcd	80.9^c	26.1 ^cd	6.5^de	42.4	17.2	50.0^b	37.0 cd	6.5
1630(1)	74.4^ab	77.4^c	25.6 ^cd	9.8^abc	42.7	19.5	41.2^c	35.4d	6.4
196/624	74.4^ab	78.1^c	26.4^ab	8.7^c	38.8	15.6	50.9^b	44.3ab	7.1
High HCN	68.5^d	82.7^c	25.3^d	5.5^e	41.8	17.9	39.1^c	37.8bcd	6.1
Mean	73.2	84.3	26.6	8.8	40.3	17.2	48.4	41.6	6.8
P value	0.01	0.02	0.01	0.001	0.6	0.6	0.001	0.009	0.2
CV	3.2	5.6	3.8	11	8.5	13.6	4.6	9	7
LSD (0.05)	4.01	8.2	2.1	1.7	5.9	4.0	3.8	6.6	0.8
R	0.7	0.7	0.5	0.8	0.3	0.3	0.9	0.6	0.5

MC= moisture content, DM = dry matter, CP = crude protein, NDF = neutral detergent fiber, ADF = acid detergent fiber, IVDMD = invitro dry matter digestibility, DOMD = dry organic matter digestibility and MEMJ/Kg DM = Metabolizable energy content of feed per kilogram per dry matter.

Data availability statement

Data will be made available on request.