<P> Links to other diseases that infect napa cabbage: </P> <Ul> <Li> black leg or phoma stem cancer: Leptosphaeria maculans </Li> <Li> clubroot: Plasmodiophora brassicae </Li> <Li> Downy mildew: Hyaloperonospora brassicae </Li> <Li> Powdery mildew: Erysiphe cruciferarum </Li> <Li> Rhizoctonia solani </Li> <Li> Sclerotinia sclerotiorum </Li> </Ul> <Li> black leg or phoma stem cancer: Leptosphaeria maculans </Li> <Li> clubroot: Plasmodiophora brassicae </Li>

What's the difference between cabbage and napa cabbage