| Source of Variation | SS | df | MS | F | P-value | F crit |
Aphid | Years | 31.857 | 2 | 15.929 | 4.220 | 0.026 | 3.369 |
| Weeks | 102.000 | 13 | 7.846 | 2.079 | 0.054 | 2.119 |
| Error | 98.143 | 26 | 3.775 | |||
| Total | 232.000 | 41 | ||||
Army worm | Years | 8.048 | 2 | 4.024 | 4.493 | 0.021 | 3.369 |
| Weeks | 11.643 | 13 | 0.896 | 1.000 | 0.479 | 2.119 |
| Error | 23.286 | 26 | 0.896 |
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| Total | 42.976 | 41 |
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