Yield Stability Analysis of Maize (Zea mays L.) Hybrids Using Parametric and AMMI Methods

Table 3

Combined analysis of variance for maize hybrid in four environments and two years.

Source of variation	DF	SS	MS
Local	3	110.1	36.7
Year	1	35.2	35.2
Year × Local	3	13.02	4.34
Error 1	16	46.4	2.9
Genotype	11	49.5	4.5
Genotype × Local	33	84.94	2.5
Genotype × Year	11	32.7	2.9
Genotype × Year × Local	33	87.18	2.6
Error 2	176	293.92	1.67

Symbols , , and ns denote significance at 5%, significance at 1%, and not significant, respectively.