Assessment of Tuber Yield Stability and Adaptability of Some Elite Yam Genotypes in the Guinea Savannah Ecology of Northern Ghana

Table 4

Mean tuber yield (t ha⁻¹) of 11 elite yam genotypes evaluated in five environments.

Genotypes	Code	Mbo2010	Lan2011	Lan2012	Yen2012	Nyk2012	Mean
95/01942	G1	13.40	14.56	12.68	10.07	9.33	12.01
95/18544	G2	12.41	16.87	12.13	8.59	5.60	11.12
95/18922	G3	9.44	13.40	9.98	10.32	4.31	9.49
95/18949	G4	12.59	16.41	14.44	9.79	10.65	12.78
95/19156	G5	12.48	12.38	14.72	8.50	7.36	11.09
95/19158	G6	14.14	17.59	15.92	19.79	12.69	16.03
95/19177	G7	11.92	15.86	13.33	16.69	11.16	13.79
96/00594	G8	12.85	18.33	16.53	15.60	11.32	14.93
96/02025	G9	12.15	14.61	13.19	11.50	11.55	12.60
96/02610	G10	15.81	16.04	15.23	13.63	10.00	14.14
Laribako	G11	8.17	10.88	9.81	10.91	9.49	9.85
Mean		12.31	15.18	13.45	12.31	9.40	12.53
LSD (0.05)		5.10	3.99	3.82	4.99	3.61	1.90
Variance		12.81	9.87	9.11	18.11	10.08	11.99

Key: Mbo2010 = Mbowura 2010 (E1), Lan2011 = Lantinkpa 2011 (E2), Lan2012 = Lantinkpa 2012 (E3), Yen2012 = Yendi 2012 (E4), Nyk2012 = Nyankpala 2012 (E5).