black sigatoka


Definition of black sigatoka

  1. :  a serious leaf spot disease of bananas caused by an ascomycetous fungus (Mycosphaerella fijiensis) and marked initially by small, dark brown streaks on the lower surface of the leaf Banana researchers recently discovered black sigatoka, a disease that attacks banana leaves, on local crops. — Ryan Maldonado, Miami Herald, 7 Jan. 1999 The plants have been genetically modified to resist black sigatoka, a leaf spot disease caused by the fungus Mycosphaerella fijiensis. — Anne Dauwers, Nature, 28 June 2007; also :  the causative fungus Another dark shadow is black sigatoka, a fungus that turns banana leaves black and blocks photosynthesis. — David Grimm, Science, 14 Dec. 2008

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!


First Known Use of black sigatoka


Seen and Heard

What made you want to look up black sigatoka? Please tell us where you read or heard it (including the quote, if possible).


to criticize severely

Get Word of the Day daily email!