Hollyhock rust fungus in a leaf. Light micrograph of a section through a hollyhock (Alcea sp.) leaf infected with the parasitic Puccinia malvacearum rust,showing the teliospores (spores,brown-red). The fungal hyphae (tubes,not seen) pierce the cells with haustoria and suck out nutrients. The telia have stalks containing two-celled teliospores,and project through the ruptured epidermis (not seen). Magnification: x138 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 3417 px × 5125 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |