Black Root Rot (noun) Definition, Meaning & Examples

noun Plant Pathology.
  1. any of several diseases of plants characterized by black or brown lesions on the root.
  2. a common disease of the apple caused by the fungus Xylaria mali.
  3. a disease of tobacco caused by the fungus Thielaviopsis basicola and characterized by retarded growth and wilting.
Black Root Rot (noun) Definition, Meaning & Examples

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