Performance evaluation and stability analysis of malt barley (Hordeum vulgare L.) varieties for yield and quality traits in Eastern Amhara, Ethiopia

Table 7 Mean grain yield and quality traits, IPCA1 score, IPCA2 score and AMMI stability value of eight malting barley varieties tested at four environments

Variety	Grain yield (kg ha⁻¹)				1000 kernel weight (g)				Kernel protein content (%)
Variety	Mean	IPCA1	IPCA2	ASV	Mean	IPCA1	IPCA2	ASV	Mean	IPCA1	IPCA2	ASV
Traveler	2332	− 2.06	1.14	4.64	39	− 1.99	− 0.85	10.69	10.33	− 1.12	− 0.45	2.31
Holker	1687	− 1.05	− 1.86	2.68	41	− 1.64	0.31	8.79	10.30	0.15	0.02	0.33
IBON174/03	3254	− 0.74	0.05	1.64	42	0.15	0.63	1.13	10.30	0.50	0.37	1.16
Sabini	2676	− 1.81	− 0.55	4.04	41	0.17	0.57	1.18	10.47	− 0.58	0.69	1.42
Fre-Gebs	2860	1.89	1.75	4.35	45	0.68	− 0.44	3.70	10.33	0.62	− 0.41	1.38
EH1847	3224	0.04	1.98	1.41	43	0.58	0.20	3.14	11.11	− 0.03	0.04	0.21
Bahati	3271	3.10	− 0.95	6.86	43	1.38	− 1.30	7.47	10.32	0.21	− 0.71	0.94
Bekoji-1	2684	0.64	− 1.55	1.88	43	0.67	0.88	3.71	9.85	0.24	0.44	0.82

IBON, international barely Observation nursery; IPCA1, interaction principal component analysis 1; IPCA2, IPCA1, interaction principal component analysis 2; ASV, Additive stability value

ISSN: 2662-4044