peronospora
acref-9780198705383-e-2538-audio-2538.mp4
acref-9780198705383-e-2538-audio-2538.mp4
acref-9780198705383-e-2538-audio-2538.mp4
acref-9780198705383-e-2538-audio-2538.mp4
peronospora, European name for the very important vine disease more usually called downy mildew.