Table 2.
Effect of essential oils on second-stage juveniles (J2) of M. incognita at different concentration.
| Treatment (T) | Concentration. (µL/mL) | Percent Mortality and Exposure Time (h.) | |||
|---|---|---|---|---|---|
| 24 h | 48 h | 72 h | 96 h | ||
| HCCAO | 0.25 | 17.66 ± 0.57 no | 21.00 ± 1.00 mn | 26.66 ± 1.52 ijk | 29.66 ± 1.52 hij |
| 0.5 | 24.33 ± 0.57 lm | 24.66 ± 0.57 lm | 28.66 ± 1.15 jkl | 30.66 ± 1.15 hi | |
| 1 | 25.66 ± 0.57 kl | 27.33 ± 1.15 ijkl | 33.33 ± 1.52 gh | 41.33 ± 1.15 e | |
| HCCRO | 0.25 | 21.00 ± 1.00 hi | 30.66 ± 1.15 hi | 34.66 ± 0.57 g | 46.66 ± 1.52 d |
| 0.5 | 30.66 ± 1.15 mn | 40.00 ± 1.00 ef | 49.00 ± 1.00 cd | 52.66 ± 1.15 bc | |
| 1 | 36.33 ± 1.52 fg | 46.33 ± 1.52 d | 55.00 ± 1.00 b | 61.66 ± 1.52 a | |
| Control | water | 1.66 ± 2.08 rs | 3.33 ± 1.52 rs | 6.33 ± 1.52 qrs | 14.33 ± 2.08 op |
HCCAO—H. coccineum a aerial part essential oil; HCCRO—H. coccineum rhizome part essential oil; SD—standard deviation. Within a column, mean values followed by the same letter are not significantly different according to Tukey’s test (p < 0.05).