Disease · 4 plants in our database

Onion downy mildew

Peronospora destructor

4 plants in our databasePart of the group: downy mildews

Which plants

Where you will find it.

Signs and protection differ by plant — the exact steps are on each plant’s page.

GarlicAllium sativumLate spring and summer

Leaves yellow and die back, with a mould layer that is first white, then purple.

Protection for this plant →
OnionAllium cepaLate spring and summer

Leaves yellow and die back, with a mould layer that is first white, then purple.

Protection for this plant →
Welsh onionAllium fistulosumLate spring and summer

Leaves yellow and die back, with a mould layer that is first white, then purple.

Protection for this plant →
Sources (6)