Downy Mildew on Peas

Peronospora viciae

Peronospora viciae is a plant pathogen. It is a downy mildew that can infect pea plants.

The mould occurring on infected leaves, consisting of conidiophores emerging from the stomata, is the most characteristic symptom and makes it easy to recognize the presence of a downy mildew pathogen such as P. viciae. The host plant species is further important to determine the species and/or forma specialis. 

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