Table 2.
Time lag repellency tests using a selection of active extracts from initial two minute trials
| Family | Plant species | Plant part | Extraction | Repellency% | ||
|---|---|---|---|---|---|---|
| (minutes post application) | ||||||
| 60 | 120 | 180 | ||||
| Asteraceae | Litogyne gariepina | Roots | DCM | 75 | 52 | 57 |
| Buddlejaceae | Nuxia floribunda | Leaves | DCM/MeOH(1:1) | 43 | 42 | 35 |
| Chenopodiaceae | Chenopodium opulifolium | Roots | Water | 97 | 17 | 30 |
| Lamiaceae | Leucas martinicensis | Leaves | DCM | 60 | 57 | 49 |
| Malvaceae | Sida cordifolia | Whole Plant | DCM/MeOH(1:1) | 40 | 23 | 10 |
| Negative control | Distilled water | 10 | 20 | 20 | ||
| Negative control | Acetone | 17 | 20 | 33 | ||
| Positive control | DEET | 100 | 100 | 100 | ||