Table 4 Log probit and regression analyses of larval mortality treated with acetone extract of Casearia tomentosa fruit against Culex quinquefasciatus and Aedes albopictus
Larva | Larval Instars | Period of Exposure | LC50 | LC90 | Regression | R2- value |
|---|---|---|---|---|---|---|
Culex quinquefasciatus | First | 24 | 49.52 | 78.72 | y = 0.704x + 21.067 | R² = 0.9362 |
48 | 36.10 | 60.45 | y = 0.464x + 50.000 | R² = 0.8512 | ||
72 | 36.54 | 53.91 | y = 0.2933x + 68.933 | R² = 0.8071 | ||
Second | 24 | 53.04 | 100.25 | y = 0.6827x + 16.533 | R² = 0.9949 | |
48 | 43.83 | 73.55 | y = 0.5173x + 41.733 | R² = 0.9342 | ||
72 | 35.05 | 56.99 | y = 0.304x + 67.333 | R² = 0.8479 | ||
Third | 24 | 48.75 | 110.86 | y = 0.6667x + 16.667 | R² = 0.9741 | |
48 | 41.72 | 82.21 | y = 0.5387x + 37.467 | R² = 0.9631 | ||
72 | 38.33 | 64.04 | y = 0.3947x + 56.80 | R² = 0.8936 | ||
Fourth | 24 | 51.59 | 126.57 | y = 0.704x + 9.0667 | R² = 0.9262 | |
48 | 46.23 | 91.41 | y = 0.6347x + 24.933 | R² = 0.9731 | ||
72 | 39.67 | 73.12 | y = 0.5333x + 40.533 | R² = 0.9114 | ||
Aedes albopictus | First | 24 | 55.29 | 109.23 | y = 0.6987x + 12.40 | R² = 0.9994 |
48 | 46.35 | 93.27 | y = 0.6027x + 27.867 | R² = 0.9831 | ||
72 | 37.69 | 67.33 | y = 0.4693x + 48.533 | R² = 0.8913 | ||
Second | 24 | 57.21 | 117.91 | y = 0.6987x + 9.7333 | R² = 0.9994 | |
48 | 47.77 | 93.96 | y = 0.656x + 22.267 | R² = 0.9791 | ||
72 | 39.64 | 70.03 | y = 0.5013x + 44.533 | R² = 0.9098 | ||
Third | 24 | 61.86 | 145.69 | y = 0.6613x + 6.9333 | R² = 0.9951 | |
48 | 50.10 | 108.97 | y = 0.6453x + 19.067 | R² = 0.9938 | ||
72 | 47.56 | 93.33 | y = 0.544x + 34.40 | R² = 0.986 | ||
Fourth | 24 | 65.06 | 203.99 | y = 0.656x + 22.267 | R² = 0.9791 | |
48 | 56.31 | 147.03 | y = 0.5867x + 16.267 | R² = 0.9895 | ||
72 | 49.63 | 105.93 | y = 0.5973x + 24.533 | R² = 0.9971 |