black sigatoka

noun

: 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

Word History

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of black sigatoka was in 1980

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 black sigatoka

Cite this Entry

“Black sigatoka.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20sigatoka. Accessed 22 Apr. 2024.

Love words? Need even more definitions?

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