How to Fix Clubroot?

Clubroot thrives in acidic soil, so raising the pH to at least 7.2 may be one of the most effective means of attaining clubroot control. Ohio State University Extension advises that calcitic lime is the best way to raise the pH, unless your soil is low in magnesium. In this case, dolomitic lime may be more effective.

What causes clubroot?

Clubroot is caused by the pathogen Plasmodiophora brassicae. It will not spread on seed, but it can be brought into a garden on infected transplants. The pathogen forms thick walled spores in infected roots. Spores are released into the soil as roots break down and can survive for 20 years.

Is clubroot a fungus?

Club root is a fungal infection of the roots of brassicas, such as Brussels sprouts, cabbage, cauliflower, turnip and swede, leading to swollen and distorted roots and stunted growth.