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

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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Cite this Entry

“Aster yellows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aster%20yellows. Accessed 19 Oct. 2020.

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Britannica.com: Encyclopedia article about aster yellows

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