charcoal rot


: a disease of plants that is common in the southern U.S. and destructive to sweet and white potatoes and to corn and is caused by a fungus (Macrophomina phaseoli) which attacks the lower stem and roots destroying much of the tissues and forming myriads of tiny black sclerotia on what remains

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near charcoal rot

Cite this Entry

“Charcoal rot.” Dictionary, Merriam-Webster, Accessed 17 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!