Table 1. Mortality of mosquito larvae at various concentrations of extract.
|
Extract concentration |
Replication |
Number of larvae observed |
Number of dead larvae |
Average |
% Mortality |
|
0% |
0 |
20 |
0 |
0 |
0 |
|
5% |
1 |
20 |
0 |
0.02 |
2 |
|
|
2 |
20 |
1 |
|
|
|
|
3 |
20 |
1 |
|
|
|
|
4 |
20 |
0 |
|
|
|
10% |
1 |
20 |
0 |
0.02 |
2 |
|
|
2 |
20 |
1 |
|
|
|
|
3 |
20 |
0 |
|
|
|
|
4 |
20 |
1 |
|
|
|
25% |
1 |
20 |
1 |
0.07 |
7 |
|
|
2 |
20 |
1 |
|
|
|
|
3 |
20 |
2 |
|
|
|
|
4 |
20 |
3 |
|
|
|
50% |
1 |
20 |
2 |
0.27 |
27 |
|
|
2 |
20 |
3 |
|
|
|
|
3 |
20 |
8 |
|
|
|
|
4 |
20 |
14 |
|
|
|
75% |
1 |
20 |
4 |
0.34 |
34 |
|
|
2 |
20 |
5 |
|
|
|
|
3 |
20 |
10 |
|
|
|
|
4 |
20 |
15 |
|
|