Powdery mildew (Erysiphe graminis) pustule and cleistothecia on a wheat leaf | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Cattlin, Nigel |
Taille de l’image : | 5484 px × 3564 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|