VÉRIFIEZ VOS CONNAISSANCES - ASPERGES
Cette maladie est-elle....
ou
Vous avez raison!
Désolé.
Answer: This is a picture of asparagus rust. The slightly sunken appearance of the lesion indicates an older infection, however there are fresh orange-coloured spores at the edge of the lesion. Stemphylium produces a slightly sunken lesion with a fine purple border.