Table 3. Larvicidal activity (%) of essential oil from C. citrinus against T. Castaneum.
| Concen- trations (μL/L) | After Exposure (hrs) | ||||||
|---|---|---|---|---|---|---|---|
| 3 | 6 | 9 | 12 | 24 | 36 | 48 | |
| 40 | 0.0±0.0 | 0.0±0.0a | 2.0±2.00a | 4.0±2.45a | 6.0±2.45a | 10.2±3.16a | 16.9±2.38a |
| 80 | 0.0±0.0 | 0.0±0.0a | 4.0±2.45a | 14.0±2.45a | 18.2±3.62a | 22.9±1.84ab | 31.6±3.99ab |
| 120 | 0.0±0.0 | 0.0±0.0a | 6.0±2.45 abc | 18.0±3.74bc | 22.4±1.93bc | 26.9±3.69b | 42.2±3.76bc |
| 160 | 0.0±0.0 | 6.0±2.45ab | 10.0±3.16abcd | 22.0±2.00bc | 26.2±3.77bc | 31.1±2.87bc | 50.9±3.07c |
| 200 | 0.0±0.0 | 8.0±2.00ab | 14.0±2.45bcd | 26.0±2.45bcd | 30.4±2.82bce | 35.1±3.47bcd | 55.3±3.85c |
| 240 | 0.0±0.0 | 12.0±2.00bc | 16.0±2.45cde | 30.0±3.16cde | 34.7±2.26cd | 41.8±1.09cd | 70.4±3.39d |
| 280 | 0.0±0.0 | 14.0±2.45bc | 20.0±3.16de | 36.0±2.45de | 40.7±2.66de | 47.8±3.34d | 80.9±2.06d |
| 320 | 0.0±0.0 | 18.0±3.74c | 26.0±2.45e | 42.0±2.00e | 49.1±2.51e | 64.7±2.00e | 95.8±2.59e |
| Anova | *Df = 39, | Df = 39, F-11.55, p≤0.00 | Df = 39, F-10.23, p≤0.00, | Df = 39, F-21.39, p≤0.00 | Df = 39, F-22.75, p≤0.00 | Df = 39, F-34.24, p≤0.00 | Df = 39, F-65.64, p≤0.00 |
*No homogeneity; Mean of five replication ± SE; within the column same alpha bête do not significant by Tukey Test Test (p ≤ 0.05).