Field Pea (Pisum sativum L.) Variety Development for Moisture Deficit Areas of Eastern Amhara, Ethiopia
Table 4
Additive main effects and multiplicative interaction (AMMI) analysis of variance for grain yield (Kg ha−1) of field pea genotypes across seven environments.
Source
Df
SS
MS
Sum of square Explained
% Total
%G X E
% Cumulative Interaction
Total
251
140958296
561587
Genotypes
11
6169770
560888
4.38
Environments
6
109198668
18199778
77.47
Block
14
914635
65331
0.65
Interactions
66
19493498
295356
13.83
IPCA1
16
7380110
461257
5.24
37.86
37.86
IPCA2
14
5451738
389410
3.87
27.97
65.83
IPCA3
12
2876239
239687
2.04
14.75
80.58
Residuals
24
3785411
157725
Error
154
5181726
33648
Grand Mean (kg/ha) =1897.60
CV(%) = 13.49
R-Square = 0.93
= highly significant at the 0.01 probability level, = significant at the 0.05 probability level, Df = degree of freedom, and IPCA: principal component axis for interaction.
