Table 2.
Nature of the larvae | Dose response | LC values and confidence limits | p values | |||||
---|---|---|---|---|---|---|---|---|
Conc. (mg/l) | No. tested | No. dead | LC | Mean conc. | 95% CI | |||
Lower | Upper | |||||||
Laboratory strain | 5.0 | 75 | 9 | 5 | 3.694 | 1.179 | 8.089 | 0.05 |
10.0 | 75 | 15 | 10 | 5.900 | 1.590 | 11.096 | ||
20.0 | 75 | 21 | 15 | 8.092 | 1.301 | 13.890 | ||
30.0 | 75 | 31 | 50 | 30.764 | 19.634 | 67.537 | ||
40.0 | 75 | 40 | 85 | 116.962 | 57.651 | 168.177 | ||
50.0 | 75 | 60 | 90 | 160.422 | 71.143 | 377.243 | ||
+cntrl | 75 | 75 | 95 | 256.198 | 96.495 | 1255.738 | ||
−cntrl | 75 | 0 | 99 | 616.461 | 169.017 | 12,070.555 | ||
Field population | 5.0 | 75 | 5 | 5 | 4.899 | 2.790 | 6.981 | 0.05 |
10.0 | 75 | 11 | 10 | 7.849 | 5.149 | 10.315 | ||
20.0 | 75 | 19 | 15 | 10.789 | 7.741 | 13.504 | ||
30.0 | 75 | 27 | 50 | 41.390 | 34.399 | 53.176 | ||
40.0 | 75 | 33 | 85 | 158.789 | 106.918 | 299.344 | ||
50.0 | 75 | 49 | 90 | 218.258 | 138.593 | 454.521 | ||
+cntrl | 75 | 75 | 95 | 349.671 | 203.213 | 845.383 | ||
−cntrl | 75 | 0 | 99 | 846.394 | 415.301 | 2715.533 |
conc. concentration, +cntrl positive control, −cntrl negative control