Nigel Cattlin / Cabbage (Brassica oleracea) crop wilted due to Clubroot (Plasmodiophora brassicae) allotment soil infection. England, UK.

Nigel Cattlin / Pelargonium (Pelargonium zonalis) seedlings infected with damping off disease, caused by many possible soil-borne pathogens, Berksshire, UK. March.

Nigel Cattlin / Clubroot (Plasmodiophora brassica) diseased twisted, malformed and distorted root on a cabbage plant