Powdery mildew on a rose cutting (Rosa sp.). Powdery mildew is a fungal disease that affects the leaves and stems of a plant. The infected plant first develops white powder-like spots,which increase in size and become thicker as many spores form. The disease then spreads throughout the length of the plant | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Roach, David |
Bildgröße: | 4178 px × 4217 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |