Table 3. Results of probit LC50 analysis.
|
Concentration (%) |
Number of larvae observed |
Number of dead larvae |
*LC50 |
|
0 |
20 |
0 |
95.39(70-179) |
|
5 |
20 |
2 |
|
|
10 |
20 |
2 |
|
|
25 |
20 |
7 |
|
|
50 |
20 |
27 |
|
|
75 |
20 |
34 |
*LC50 = the concentration of the extract required to kill 50% of the mosquito larvae.