Table 2. Analysis of variance for effect of natural insecticides on population reduction percentage of H. armigera after three and seven days of first and second round of spray.
| Population Reduction percentage | Degree of Freedom | Sum of Squares | Mean Square | F value | P value |
|---|---|---|---|---|---|
| First Round of Spray | |||||
| Three days after treatment | 4 | 4072.81 | 1018.20 | 140.76 | 0.0000* |
| Seven days after treatment | 4 | 5497.66 | 1374.41 | 267.65 | 0.0000* |
| Second Round of Spray | |||||
| Three days after treatment | 4 | 3994.75 | 998.68 | 165.97 | 0.0000* |
| Seven days after treatment | 4 | 6183.26 | 1545.82 | 374.46 | 0.0000* |
* = significant