Table 1 Crude extracts exhibiting 100% mortality during preliminary laboratory trials
Family | Plant species | Voucher number | Plant part | Extraction | Mortality time (hours) |
|---|---|---|---|---|---|
Araliaceae | Cussonia spicata Thunb. | EN00867 | Fruit | DCM | 72 |
Asphodeleace | Aloe greatheadii Schönland var. davyana (Schönland) Glen & D.S.Hardy | EN00021 | Leaves and twigs | DCM | 120 |
Asteraceae | Litogyne gariepina (DC.) Anderb. | EN00213 | Roots | DCM | 96 |
| Â | Pentzia globosa Less. | EN00506 | Leaves | Water | 48 |
| Â | Psiadia punctulata (DC.) Oliv. & Hiern ex Vatke | BP00278 | Leaves | DCM | 144 |
| Â | Vernonia natalensis Oliv. & Hiern | EN00331 | Whole plant | Water | 48 |
Capparaceae | Capparis tomentosa Lam. | EN00222 | Stems | Water | 24 |
| Â | Capparis tomentosa Lam. | EN00222 | Leaves | Water | 48 |
Ebenaceae | Euclea natalensis A.DC. | EN00760 | Roots | DCM | 48 |
| Â | Euclea natalensis A.DC. | EN00760 | Stems | DCM | 96 |
Euphorbiaceae | *Ricinus communis L. | EN00768 | Fruit | DCM | 48 |
Fabaceae | Philenoptera violacea (Klotzsch) Schrire | MM00019 | Stems | DCM | 24 |
| Â | Pterocarpus angolensis DC. | EN00083 | Roots | Water | 48 |
| Â | Pterocarpus angolensis DC. | EN00083 | Roots | MeOH | 144 |
Lamiaceae | *Hyptis pectinata (L.) Poit. | BP00243 | Leaves, stems and fruits | Water | 48 |
Olacaceae | Ximenia caffra Sond. var. caffra | EN00110 | Roots | Water | 48 |
Phyllanthaceae | Flueggea virosa (Roxb. ex Willd.) Voigt | BP00207 | Leaves and twigs | Water | 24 |
Plumbaginaceae | Plumbago zeylanica L. (1) | EN00208 | Leaves | DCM | 48 |
| Â | Plumbago zeylanica L. (2) | EN00208 | Leaves | DCM | 48 |
Rutaceae | Macrostylis squarrosa Bartl. & H.L.Wendl. | EN00758 | Stems | DCM | 24 |
| Â | Toddalia asiatica (L.) Lam. (1) | EN00211 | Leaves | DCM | 72 |
| Â | Toddalia asiatica (L.) Lam. (2) | EN00211 | Leaves | DCM | 72 |
Thymelaeaceae | Gnidia cuneata Meisn. | EN00716 | Stems | DCM | 144 |
Zingiberaceae | Siphonochilus aethiopicus (Schweinf.) B.L.Burtt | EN00148 | Rhizomes | Ether | 72 |