Table 4.
Kaplan-Meier pair wise comparisons of the median survival times (MST) of An. gambiae s.s. females exposed to surfaces 1, 14 and 28 d after treatment with different concentrations (2 × 109, 2 × 1010 and 4 × 1010 conidia m-2) of M. anisopliae ICIPE-30.
Comparison of: | Different concentrations within same time post-application | The same concentration between different times post-application | ||||
---|---|---|---|---|---|---|
MST ± SE | 2 × 109 | 2 × 1010 | 4 × 1010 | 14 d | 28 | |
1 d | ||||||
Control | 15 ± 0.95 | χ2 = 15.15 | χ2 = 43.34 | χ2 = 55.58 | χ2 = 0.08 | χ2 = 0.01 |
p < 0.001* | p < 0.001* | p < 0.001* | p = 0.77 | p = 0.32 | ||
2 × 109 | 11 ± 0.51 | χ2 = 9.32 | χ2 = 15.44 | χ2 = 5.17 | χ2 = 4.10 | |
p < 0.001* | p < 0.001* | p < 0.001* | p < 0.001* | |||
2 × 1010 | 6 ± 0.46 | χ2 = 0.001 | χ2 = 9.80 | χ2 = 8.95 | ||
p = 0.98 | p < 0.001* | p < 0.001* | ||||
4 × 1010 | 8 ± 0.39 | χ2 = 14.74 | χ2 = 18.55 | |||
p < 0.001* | p < 0.001* | |||||
14 d | ||||||
Control | 16 ± 1.15 | χ2 = 30.48 | χ2 = 58.07 | χ = 49.02 | χ2 = 0.43 | |
p < 0.001* | p < 0.001* | p < 0.001* | p = 0.54 | |||
2 × 109 | 12 ± 0.55 | χ2 = 6.59 | χ2 = 4.08 | χ2 = 0.06 | ||
p < 0.001* | p < 0.001* | p = 0.80 | ||||
2 × 1010 | 10 ± 0.64 | χ2 = 0.21 | χ2 = 0.49 | |||
p = 0.22 | p = 0.83 | |||||
4 × 1010 | 10 ± 0.45 | χ2 = 0.003 | ||||
p = 0.96 | ||||||
28 d | ||||||
Control | 16 ± 1.15 | χ2 = 35.94 | χ2 = 77.49 | χ2 = 62.29 | ||
p < 0.001* | p < 0.001* | p < 0.001* | ||||
2 × 109 | 13 ± 0.33 | χ2 = 11.22 | χ2 = 5.76 | |||
p < 0.001* | p < 0.001* | |||||
2 × 1010 | 11 ± 0.49 | χ2 = 0.56 | ||||
p = 0.46 | ||||||
4 × 1010 | 11 ± 0.61 |
*Significant at p < 0.05