Club root of cabbage is caused by Plasmodiophora brassicae. Only members of the Cruciferae, the mustard family, such as cabbage, turnip, and rutabaga are susceptible. Infected roots enlarge into club-shaped structures of irregular dimensions. Above-ground parts may be stunted, yellow, and wilted, reflecting the unhealthy structures below. Examine Table 9-1 for a comparison of the characteristics of various kinds of overgrowths caused by different pathogenic agents.
KeywordsRoot Hair Causal Organism Infected Root Pathogenic Agent Soil Fumigation
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