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

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The first known use of elm yellows was in 1985

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Dictionary Entries Near elm yellows

elmy

elm yellows

Elnath

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Cite this Entry

“Elm yellows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elm%20yellows. Accessed 2 Jul. 2022.

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