Pear tree infected with spot fungus. Light micrograph of tissue from a pear (Pyrus sp.) tree infected with the Venturia pyrina fungus,which causes black spot. Magnification: x37 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5368 px × 3579 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |