Table 4 Partial budget analysis for the effect of insecticides used to manage fall armyworm in maize at different spraying regimes
Insecticides | Spraying regimes | Output | Inputs | Net benefit due to spraying (GHS/ha) | Net Returns to spraying | ||||
|---|---|---|---|---|---|---|---|---|---|
Yield (kg/ha) | Increased yield due to spay over control (kg/ha) | Value of increased yield (GHS)/ha | Cost of insecticide (GHS/ha) | Labor charges for spraying (GHS/ha) | Total cost (GHS/ha) | ||||
Emastar 112 EC | Untreated control | 2158.93 | Â | Â | Â | Â | Â | Â | Â |
Once | 3070.36 | 911.43 | 1458.29 | 45.00 | 50.00 | 95.00 | 1363.29 | 14.35 | |
Twice | 3568.33 | 1409.40 | 2255.05 | 90.00 | 100.00 | 190.00 | 2065.05 | 10.87 | |
Thrice | 3732.98 | 1574.05 | 2518.48 | 135.00 | 150.00 | 285.00 | 2233.48 | 7.84 | |
Four times | 3711.07 | 1552.14 | 2483.43 | 180.00 | 200.00 | 380.00 | 2103.43 | 5.54 | |
Eradicoat | Untreated control | 2332.98 | Â | Â | Â | Â | Â | Â | Â |
Once | 2566.79 | 233.81 | 374.10 | 120.00 | 50.00 | 170.00 | 204.10 | 1.20 | |
Twice | 3140.48 | 807.50 | 1292.00 | 240.00 | 100.00 | 340.00 | 952.00 | 2.80 | |
Thrice | 3300.95 | 967.98 | 1548.76 | 360.00 | 150.00 | 510.00 | 1038.76 | 2.04 | |
Four times | 3157.62 | 824.64 | 1319.43 | 480.00 | 200.00 | 680.00 | 639.43 | 0.94 | |
NSO | Untreated control | 2357.98 | Â | Â | Â | Â | Â | Â | Â |
Once | 2748.81 | 390.83 | 625.33 | 20.00 | 50.00 | 70.00 | 555.33 | 7.93 | |
Twice | 3327.62 | 969.64 | 1551.43 | 40.00 | 100.00 | 140.00 | 1411.43 | 10.08 | |
Thrice | 3589.76 | 1231.79 | 1970.86 | 60.00 | 150.00 | 210.00 | 1760.86 | 8.39 | |
Four times | 3709.64 | 1351.67 | 2162.67 | 80.00 | 200.00 | 280.00 | 1882.67 | 6.72 | |