Apples exhibiting brown rot. This is caused by the fungus Sclerotinia fructigena,and may also occur on pears and some other fruits. Fruit infected with this fungus bear buff-coloured pustules of conidium spores. Production of the spores is stimulated by light,and may form in concentric zones corresponding to daily illumination | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Bildgröße: | 2913 px × 2892 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |