Response of the Peanut (Arachis hypogaea L.) Cultivar Gregory to Interactions of Digging Date and Disease Management

Table 7

Analysis of variance (-value) for percent canopy defoliation (%), pod yield (kg/ha), and economic value (/ha) for the cultivar Gregory as influenced by the interaction of year, digging date, and fungicide regime.

Source of variation	Canopy defoliation	Pod yield	Economic value
2005
Digging date (date)	71.5	11.9	23.9
Fungicide	79.9	6.8	10.8
Date × fungicide	20.5	2.8	3.1
Coefficient of variation (%)	37.3	11.6	11.5
2006
Date	157.3	5.6	5.5
Fungicide	504.9	11.0	12.2
Date × fungicide	53.3	3.6	5.2
Coefficient of variation (%)	14.2	20.7	21.5
2007
Date	1.9	7.5	21.4
Fungicide	0.9	0.9	0.4
Date × fungicide	0.2	1.0	0.7
Coefficient of variation (%)	155.2	7.6	11.3
2008
Date	13.9	1.6	0.6
Fungicide	38.4	12.4	11.2
Date × fungicide	3.4	1.8	1.6
Coefficient of variation (%)	48.0	16.0	18.2
2009
Date	1.9	8.0	8.0
Fungicide	5.0	1.2	2.3
Date × fungicide	0.2	0.1	0.3
Coefficient of variation (%)	130.9	15.1	19.4
2010
Date	7.1	7.0	1.4
Fungicide	2.8	6.7	7.7
Date × fungicide	1.0	1.3	1.1
Coefficient of variation (%)	96.5	13.4	15.9
2011
Date	17.0	0.8	3.1
Fungicide	45.3	0.8	0.8
Date × fungicide	3.4	0.4	0.5
Coefficient of variation (%)	51.5	20.4	23.2
2012
Date	5.0	1.4	4.8
Fungicide	9.7	9.9	12.4
Date × fungicide	1.8	0.9	1.1
Coefficient of variation (%)	94.2	10.4	12.1

indicates significance at .