Research Article
Chemical Constituents of Plectranthus tomentosa Extract and Its Control Effect on Tetranychus kanzawai
Table 2
The contact effect of Plectranthus tomentosa extract on Tetranychus kanzawai.
| Concentration (mg/mL) | Mortality rate (%) (mean ± SE) | Female adult | Larval | Eggs | 24 h | 48 h | 24 h | 48 h |
| 1000 | 61.11 ± 1.93bc | 66.67 ± 3.34bc | 64.44 ± 1.93bc | 66.67 ± 3.34bc | 72.22 ± 2.09c | 100 | 65.56 ± 1.93b | 67.78 ± 1.92b | 66.67 ± 3.33b | 70.00 ± 3.33b | 77.78 ± 2.09b | 50 | 77.77 ± 5.09a | 83.33 ± 3.34a | 82.22 ± 5.09a | 86.67 ± 3.34a | 85.56 ± 1.92a |
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Different lowercase letters in the same column revealed the significant difference with . |