Dark brown to black sunken areas develop on the root and may spread into extensive rot, causing wilting, stunting or plant death.

Dark grey to black patches develop on the root, often spreading around it in bands. Affected radishes may become cracked, misshapen or rotted and are usually unusable.

The neck softens and rots, often during storage, with grey fuzzy mold developing as the onion breaks down.

White fluffy growth, soft rot and wilting — often followed by the plant collapsing.