Additive Main Effect and Multiplicative Interaction Analysis for Grain Yield of Chickpea (Cicer arietinum L.) in Iran

Table 3

Analysis of variance on grain yield of 17 chickpea genotypes in 15 environments of Iran.

Source	Df	MS	RMSPD†	Explained (%)
Environment (E)	14	19050789^**		68.36
Year (Y)	2	8798258^NS
Location (L)	4	42253254^*
L × Y	8	10014496^**
repeat (E)	45	150401
G	16	2251338^**		9.23
G × E	224	390364^**		22.41
IPCA 1	29	1016470^**	382.23
IPCA 2	27	863187^**	359.61
IPCA 3	25	431236^**	355.55
IPCA 4	23	367192^**	349.83
IPCA 5	21	299114^**	344.85
G × Y	32	302721^NS
G × L	64	502035^NS
††IPCA 1	19	436117^**	201.40
IPCA 2	17	97155^**	193.63
G × L × Y	128	356421^**
Error	720	87608
Total	1019

NS, ∗, and ∗∗: nonsignificant, significant at the 0.05, and 0.01 probability level, respectively.
†, RMSPD, the root mean square prediction differences in units of yield kg/ha.
††, AMMI analysis for the set of cultivar × location means averaged across years.