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

Table 4

Interaction BlUP mean of TTRY over two growing seasons.

Trait	Environ.	Varieties								Env. mean
		Ku	Na12	Na13	Vi	Ka	Rw11	Ma	Ne
TFRY (T/ha)	Ar18	24.49	19.29	22.52	13.99	14.29	15.54	18.34	5.26	16.71
	Dm18	50.95	44.4	30.39	26.13	41.06	41.64	31.12	21.69	35.92
	En18	13.56	13.58	17.13	12.51	18.45	14.44	21.59	9.56	15.10
	Ge18	15.3	16.54	23.35	14.64	13.59	12.5	4.39	2.38	12.83
	Ar19	24.27	20.58	15.66	8.89	20.3	9.18	20.64	17.16	17.08
	Dm19	50.95	37.81	33.62	15.54	17.75	34.5	19.51	20.72	28.8
	De19	24.49	19.29	22.52	13.99	14.29	15.77	18.34	5.26	16.74
	Li19	26.9	10.29	16.31	10.44	11.39	11.38	7.72	8.82	12.90
	Ye19	45.1	30.23	44.85	15.16	13.94	19.15	26.2	12.47	25.88
	Var.mean	30.67	23.55	25.15	14.58	18.34	19.34	18.65	11.48

TFRY: total fresh root yield, Ar18: Arasma in 2018, DM18: Debremedhanit in 2018, En18: Eneba in 2018, Ge18: Getesemani in 2018, Ar19: Arasma in 2019, Dm19: Debremedhanit in 2019, De19: Degesech in 2019, Li19: Libanos in 2019, Ye19: Yelamgej in 2019, var.mean: variety mean, env.mean: environment mean, Ku: Kulfo, Na12: Naspot O 12, Na13: Naspot O 13, Vi: Vitea, Rw11: Rw-11, Ma: Mayai and Ne: Nekawango.