Table 3.
Mean numbers of whitefly eggs, nymphs, and adults for insecticide application frequency treatments, 2018.
| Insecticide application | Mean numbers of whiteflies (±SEM) | ||
|---|---|---|---|
| Eggs per 1 cm2 leaf | Nymphs per 1 cm2 leaf | Adults per plant | |
| Twice per week | 2.55 ± 0.39 a | 2.61 ± 0.29 a | 2.17 ± 0.33 a |
| Once per week | 2.96 ± 0.51 a | 2.87 ± 0.46 a | 2.16 ± 0.32 a |
| Once per two weeks | 6.78 ± 0.25 b | 5.49 ± 0.25 b | 3.41 ± 0.94 a |
| Control | 14.54 ± 3.91 c | 10.34 ± 2.40 c | 12.61 ± 1.24 b |
Means in a column followed by different letters are significantly different from each other (p < 0.05), according to Tukey's post hoc test.