Table 2.
Toxicity against B. brassicae after an exposure of 24, 48 and 72 hours by the contact/aphid dip method.
Plants Extract | Time (h) | LC50 (mg mL−1) | 95% F.L. | Slope ± SE | χ2 | |
---|---|---|---|---|---|---|
Lower | Upper | |||||
CCL | 24 | 2.88 | 0.03 | 4.29 | 0.59 ± 0.23 | 0.51 |
48 | 2.35 | 0.62 | 4.01 | 1.01 ± 0.26 | 0.77 | |
72 | 1.96 | 0.14 | 3.88 | 0.72 ± 0.24 | 0.80 | |
CIL | 24 | 12.1 | 8.86 | 19.3 | 1.07 ± 0.23 | 0.06 |
48 | 8.03 | 4.37 | 13.8 | 0.79 ± 0.24 | 0.53 | |
72 | 2.87 | 0.10 | 5.75 | 0.65 ± 0.25 | 0.14 | |
ATL | 24 | 5.62 | 2.31 | 8.91 | 0.72 ± 0.22 | 0.98 |
48 | 4.28 | 1.09 | 7.13 | 0.72 ± 0.23 | 0.38 | |
72 | 0.22 | 0.01 | 1.31 | 0.58 ± 0.27 | 0.30 |
Note: LC50 (Lethal concentration); S.E. (standard error); χ2 (chi-square); F.L. (fiducial limit). (C. colocynthis), CIL (C. indica) and ATL (A. argyi).