Black spot. Leaves of a rose bush (Rosa sp.) showing signs of a black spot (Diplocarpon rosae) infection. This fungus is extremely common on both cultivated and wild roses. It can be controlled by fungicide chemicals,and resistant varieties can be bred | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Cattlin, Nigel / Holt Studios International |
Taille de l’image : | 2953 px × 3002 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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