Genotype by Environmental Interaction and Measurements of Stability on Eight Orange-Fleshed Sweet Potato (Ipomoea batatas) Varieties: East Gojjam Zone, North West Ethiopia

Table 5

ANOVA of AMMI over environments and seasons.

Source	DF	SS	TSS (%)	GE explained (%)	Cumulative (%)	MS
Total	215	25777				119.9
Genotypes	7	7006	27.18			1000.8
Environments	8	12499	48.49			1562.4
Block	18	4				0.3
Interactions	56	6245	24.23			111.5
IPCA	14	2923		46.81%	46.81	208.8
IPCA	12	1620		25.94%	72.85	135.0
IPCA	10	847		13.56%	86.41	84.7
Error	126	22				0.2