What Is It? | Facts in Depth | For the Professional Diagnostician
Brassica Diseases | Clubroot
Clubroot
Identification
- Above ground symptoms are wilting and chlorosis
- Stunting occurs in new growth and the plant eventually dies
- Roots are swollen, distorted, and malformed
- Galls are on the root systems
(Left: Radish; Middle: Turnip; Right: Radish)
Favorable Environmental Conditions
- Resting spores germinate under high soil moisture and cool soil temperatures between 64oF and 77oF
- Acidic soils are favorable for this pathogen
Often Confused With
- Root knot nematode
Scouting Notes
- Look for any signs of wilting in cool temperatures and wet soil conditions. Dig up suspect plants and inspect roots for galls and other malformations. Pulling plants may result in many of the galls remaining in the soil.