Pollen grain germination on growing medium agar surface. Pollen grain of rosebay willowherb,Epilobium angustifolium,germinating out of two pores showing the growing pollen tubes. Microscopic contrast technique : Differential interference contrast. Magnification 190x when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guenther, Gerd |
Bildgröße: | 4180 px × 4180 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |