What diseases affect daikon?

Clubroot, White mould (Sclerotinia)

Daikon pests and diseases: how to recognise them

Q: Which daikon problems need quick action?

Clubroot: Growth and yield are badly reduced, and severely affected plants may die. White mould (Sclerotinia): Masses of fluffy white, cotton-like mould on the affected parts, especially in cool, damp weather.

Raphanus sativus

The pests, diseases and disorders recorded for daikon in our library, each with a photo and its first symptom. Every page has the full list of symptoms, organic and chemical treatment and prevention.

At a glance

Problems in total	4
Pests	2
Diseases	2
Need quick action	2

How to grow daikon · All pests and diseases

Pests

Cabbage root flyWhite, legless maggots up to 9 mm long feed on the roots and stem base; the tunnels let rots in.Also called: cabbage maggot, cabbage flyPhoto: James K. Lindsey, CC BY-SA 3.0, Wikimedia Commons
Flea beetlesTiny beetles, 2–3 mm, black or metallic green or blue, some with a yellow stripe, that jump away when the plant is disturbed.Photo: Bob Peterson from North Palm Beach, Florida, Planet Earth!, CC BY-SA 2.0, Wikimedia Commons

Diseases

Which daikon problems need quick action?

These spread or do lasting harm fast; check the plants and start treatment the day you see them.

Clubroot: Stunted growth, purplish leaves and wilting in hot weather; wilted plants may recover for a while when it is cooler.
White mould (Sclerotinia): Later, hard black seed-like bodies (sclerotia) 0.5–1 cm across in the mould and inside hollow stems.

Plants with many of the same problems

Which plants each problem affects: sources

The links between these problems and the plant were checked against these pages.