Table 1.
The effect of 10×, 20×, and 50× recommended dose (8 mg/L) treatments of VectoBac WG on (a) 24-hr mortality, and (b) overall mortality (until adult emergence) of third instar Aedes aegypti in 2-L buckets*
| (a) | |||||||||||||||||||
| Week | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 24 | 26 | 28 | 30 |
| P value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 0.02 | 0.22 | 0.35 |
| Control | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a |
| 10× dose | b | b | b | ab | a | a | a | a | – | – | – | – | – | – | – | – | – | – | – |
| 20× dose | b | b | b | bc | b | a | b | b | a | a | a | a | a | a | a | – | – | – | – |
| 50× dose | b | b | b | c | b | b | c | c | b | b | b | b | b | b | b | b | b | a | a |
| (b) | |||||||||||||||||||
| Week | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 24 | 26 | 28 | 30 |
| P value | 0 | 0 | 0 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 0.09 | 0.21 |
| Control | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a | a |
| 10× dose | b | b | b | ab | ab | a | a | a | – | – | – | – | – | – | – | – | – | – | – |
| 20× dose | b | b | b | b | bc | b | b | b | b | b | a | a | a | a | a | – | – | – | – |
| 50× dose | b | b | b | b | c | c | c | b | c | c | b | b | b | b | b | b | b | a | a |
*
Means analyzed using a one-way analysis of variance and significantly different treatments were identified using Tukey's HSD post-hoc test; P < 0.05. Treatment means in the same row with the same letter were not significantly different; – infers treatment ceased.