|
Solvent used for extraction
|
Concentration of crude extract (ppm)
|
Mortality (%)
|
LC50 (ppm) (LCL - UCL)
|
LC90(ppm)(LCL-UCL)
|
X
2a
|
|---|
|
Ethanol
|
50
|
100
|
3.461
|
12.804
|
15.230**
|
| |
25
|
99
|
(2.088 - 5.012)
|
(8.267 - 30.435)
| |
| |
12.5
|
94
| | | |
| |
6.25
|
59
| | | |
| |
3.13
|
43
| | | |
| |
1.56
|
29
| | | |
|
Hexane
|
50
|
83
|
14.503
|
105.282
|
5.062
|
| |
25
|
61
|
(12.174 - 17.563)
|
(73.710 - 169.855)
| |
| |
12.5
|
40
| | | |
| |
6.25
|
30
| | | |
| |
3.13
|
21
| | | |
| |
1.56
|
6
| | | |
|
Acetone
|
50
|
93
|
5.563
|
47.350
|
1.837
|
| |
25
|
80
|
(4.537 - 6.699)
|
(34.556 - 72.194)
| |
| |
12.5
|
66
| | | |
| |
6.25
|
51
| | | |
| |
3.13
|
40
| | | |
| |
1.56
|
22
| | | |
|
Chloroform
|
50
|
99
|
2.761
|
14.009
|
3.024
|
| |
25
|
98
|
(2.244 - 3.285)
|
(11.338 - 18.379)
| |
| |
12.5
|
88
| | | |
| |
6.25
|
69
| | | |
| |
3.13
|
53
| | | |
| |
1.56
|
36
| | | |
|
Methanol
|
50
|
100
|
3.393
|
12.945
|
9.720*
|
| |
25
|
100
|
(2.301 - 4.584)
|
(8.950 - 24.277)
| |
| |
12.5
|
89
| | | |
| |
6.25
|
65
| | | |
| |
3.13
|
42
| | | |
| |
1.56
|
30
| | | |
- LC50 Lethal concentration that kills 50% of exposed larvae; LC90 Lethal concentration that kills 90% of exposed larvae; LCL Lower confidence limits; UCL Upper confidence limits; χ2 Chi-square;* Significant at P <0.05;** Significant at P <0.01; a degree of freedom 4
