Insecticidal Effect and Residual Action of Fenitrothion and Esfenvalerate on Sitophilus oryzae and S. zeamais (Coleoptera: Curculionidae) in Stored Maize and Wheat

Table 2

Analysis of deviance for the negative binomial model, with logarithmic ligation function.

Cause of variation	Degrees of freedom	Deviance	Pr > 𝜒^2
Species	1	3.79	0.0517
Insecticide	3	284.19	<0.0001
Type of grain	1	18.97	<0.0001
Month after treatment (MAT)	1	109.7	<0.0001
Species × Insecticide	3	406.93	<0.0001
Species × Type of grain	1	77.40	<0.0001
Insecticide × Type of grain	3	38.26	<0.0001
MAT × Species	1	6.54	0.0105
MAT × Insecticide	3	634.31	<0.0001
MAT × Type of grain	1	1.13	0.2868
Species × Insecticide × Type of grain	3	20.70	0.0001
MAT × Species × Insecticide	3	93.72	<0.0001
MAT × Species × Type of grain	1	7.12	0.0076
MAT × Insecticide × Type of grain	3	102.81	<0.0001
MAT × Species × Insecticide × Type of grain	3	4.98	0.1731