Chrysanthemum flower (C. cinerariifolium). This plant contains pyrethrin,a natural insecticide. To obtain the poison,the flowers of the plant are either dried and powdered,or the oils within the flowers are extracted with solvents | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kurzenko, Dr. Nick |
Bildgröße: | 5595 px × 3673 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |