Research Article
Incidence of a New Pest, the Cotton Mealybug Phenacoccus solenopsis Tinsley, on Sesame in North Ethiopia
Table 5
Means of cotton mealybug severity for the different localities with 95% confidence limits.
| | Location | | Severity (Grades 1–4) | s.e. | CV | 95% confidence limits | | Lower | Upper |
| | Adebay | 12 | 1.30 | 0.18 | 13.58 | 0.95 | 1.65 | | Banat | 12 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | | Bereket | 12 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | | Bowal | 12 | 3.68 | 0.19 | 5.21 | 3.30 | 4.00 | | Centeral | 12 | 1.73 | 0.15 | 8.36 | 1.45 | 2.02 | | Kafta Mesil | 12 | 3.28 | 0.23 | 7.01 | 2.83 | 3.73 | | Kebabo | 12 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | | Lugdi | 12 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | | Maikadira | 12 | 2.32 | 0.20 | 8.56 | 1.93 | 2.71 | | Maisegen | 12 | 2.70 | 0.33 | 12.06 | 2.06 | 3.35 | | Niguara | 12 | 3.14 | 0.25 | 7.92 | 2.65 | 3.63 | | Rawian | 12 | 1.54 | 0.18 | 11.6 | 1.18 | 1.89 | | Redem | 12 | 1.00 | 0.00 | 0.00 | 1.00 | 1.00 | | Sherif Gola | 12 | 2.67 | 0.17 | 6.29 | 2.34 | 3.00 | | Sherif Hamad | 12 | 3.64 | 0.18 | 4.88 | 3.29 | 3.99 | | Total | 180 | | | | | |
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