clubroot

disease of plants of the mustard family (Cruciferae) caused by the fungus Plasmodiophora brassicae. Susceptible plants include broccoli, cabbage, ... [1 related articles]
Found on http://www.britannica.com/eb/a-z/c/100

clubroot

clubroot, disease of cabbages, turnips, radishes, and other plants belonging to the family Cruciferae (mustard family). It is induced by a plasmodial slime mold that attacks the roots, causing, in the cabbage, undeveloped heads or a failure to head at all. Clubroot can be partially or in some cases ...
Found on http://www.infoplease.com/ce6/sci/A0812637.html
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