elm yellows

noun

Definition of elm yellows

: a usually fatal disease of North American elms (such as the American elm) that is characterized by yellowish, often black-flecked discoloration and degeneration of the phloem and that results in death of the root system followed by wilting, yellowing, and loss of leaves

Note: Elm yellows is caused by a phytoplasma transmitted by a leafhopper (especially Scaphoideus luteolus).

called also phloem necrosis

First Known Use of elm yellows

1985, in the meaning defined above

Keep scrolling for more

Learn More about elm yellows

Time Traveler for elm yellows

Time Traveler

The first known use of elm yellows was in 1985

See more words from the same year

Statistics for elm yellows

Cite this Entry

“Elm yellows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elm%20yellows. Accessed 6 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on elm yellows

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

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

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