Table 4 Insecticidal activity of leaf acetone extracts from trees treated with different concentrations of Ag and Zn NPs against Sitophilus oryzae and Rhizopertha domonica.
Leaf Acetone extracts from treated trees with | LC50 | Lower limit | Upper limit | LC90 | Lower limit | Upper limit | Slope ± SE |
|---|---|---|---|---|---|---|---|
Sitophilus oryzae | |||||||
Control | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ag NP 10 mL/L | 1550.95 | 1001.54 | 2401.75 | 7034.61 | 4542.66 | 10,893.54 | 1.992 ± 0.097 |
Ag NP 12.5 mL/L | 1401.55 | 909.78 | 2159.14 | 6216.50 | 4035.29 | 9576.72 | 2.026 ± 0.096 |
Ag NP 15 mL/L | 995.24 | 645.03 | 1535.57 | 4153.16 | 2691.75 | 6407.99 | 2.073 ± 0.096 |
Zn NP 2.5 mL/L | 1607.971 | 892.238 | 2897.848 | 12,905.332 | 7160.970 | 23,257.688 | 1.419 ± 0.131 |
Zn NP 5 mL/L | 1176.414 | 632.697 | 2187.383 | 10,548.166 | 5672.995 | 19,612.886 | 1.350 ± 0.137 |
Zn NP 7.5 mL/L | 520.777 | 312.137 | 868.875 | 2501.219 | 1499.152 | 4173.090 | 1.909 ± 0.113 |
Rhizopertha domonica | |||||||
Control | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ag NP 10 mL/L | 2681.284 | 1694.526 | 4242.653 | 13,544.510 | 8559.899 | 21,431.766 | 1.840 ± 0.102 |
Ag NP 12.5 mL/L | 2023.182 | 1236.030 | 3311.623 | 11,390.064 | 6958.574 | 18,643.699 | 1.714 ± 0.109 |
Ag NP 15 mL/L | 1535.096 | 1045.373 | 2254.238 | 5298.789 | 3608.380 | 7781.100 | 2.386 ± 0.085 |
Zn NP 2.5 mL/L | 2670.282 | 1819.723 | 3918.402 | 9846.303 | 6709.982 | 14,448.575 | 2.261 ± 0.085 |
Zn NP 5 mL/L | 2338.392 | 1599.363 | 3418.908 | 8464.648 | 5789.468 | 12,375.966 | 2.296 ± 0.084 |
Zn NP 7.5 mL/L | 1925.697 | 1315.068 | 2819.859 | 6883.453 | 4700.746 | 10,079.661 | 2.323 ± 0.085 |