aster yellows

plural noun

Definition of aster yellows

: a widespread disease affecting more than 40 families of plants, characterized especially by yellowing and stunting, and caused by a phytoplasma transmitted by leafhoppers

Examples of aster yellows in a Sentence

Recent Examples on the Web Stunted growth, yellowing leaves and distorted blooms that remain green suggest the presence of a virus-like disease called aster yellows. Adrian Higgins, Washington Post, 27 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aster yellows.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of aster yellows

circa 1907, in the meaning defined above

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The first known use of aster yellows was circa 1907

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Dictionary Entries Near aster yellows

aster purple

aster yellows

asthen-

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Cite this Entry

“Aster yellows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aster%20yellows. Accessed 19 Oct. 2021.

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More from Merriam-Webster on aster yellows

Britannica.com: Encyclopedia article about aster yellows

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