Dissection of genotype-by-environment interaction and yield stability analysis in barley using AMMI model and stability statistics

Bulletin of the National Research Centre

Table 2 AMMI analysis of variance for grain yield (tons ha^–1) at five locations in Iran, during 2018–2020 cropping seasons

Source of variation	df	SS	MS	F-value	Pr (> F)	GE expl. (%)	Cum. (%)
Environment (E)	9	525.60	58.40	37.53	0.00	46.20
Replication / E	20	31.08	1.55	3.47	0.00
Genotype (G)	18	79.81	4.43	9.89	0.00	7.01
GE interaction	162	169.94	1.05	2.34	0.00	14.94
PC1	26	45.56	1.75	3.91	0.00	26.80	26.80
PC2	24	37.82	1.58	3.52	0.00	22.30	49.10
PC3	22	23.85	1.08	2.42	0.00	14.00	63.10
PC4	20	20.79	1.04	2.32	0.00	12.20	75.30
PC5	18	13.54	0.75	1.68	0.04	8.00	83.30
Residuals	52	28.37	0.55
Error	360	161.39	0.45