Table 1 Acaricidal activities of Piper nigrum crude extracts at 50 mg/mL
Plant parts extracts | Solvent | Mortality (%) | LC50 (%) | LC90 (%) | LC99 (%) | Slope | Chi-square | Heterogeneity |
|---|---|---|---|---|---|---|---|---|
Stems | EtOAc | 100 | 0.034 [0.033–0.036] | 0.048 [0.045–0.052] | 0.064 [0.058–0.071] | 8.65 ± 0.39 | 20.48 | 1.71 |
MeOH | 100 | 0.411 [0.400–0.422] | 0.545 [0.527–0.567] | 0.686 [0.655–0.724] | 10.45 ± 0.41 | 4.94 | 0.55 | |
Fruits (Mature) | EtOH | 100 | 0.250 [0.240–0.260] | 0.325 [0.310–0.343] | 0.402 [0.377–0.435] | 11.26 ± 0.66 | 0.77 | 0.08 |
Fruits (Green) | EtOH | 100 | 0.153 [0.147–0.160] | 0.212 [0.201–0.228] | 0.277 [0.255–0.307] | 9.07 ± 0.62 | 3.22 | 0.32 |
Leaves | EtOAc | 19 | – | – | – | – | – | – |